Faculty Profiles - terazawa yuki

写真a

terazawa yuki

Organization

School of Environment and Society Associate Professor

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Education

Tokyo Institute of Technology School of Environment and Society Department of Architecture and Building Engineering

2016.4 - 2018.3

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Country： Japan

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Tokyo Institute of Technology Graduate School of Science and Engineering Department of Architecture and Building Engineering

2014.4 - 2016.3

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Country： Japan

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Tokyo Institute of Technology School of Engineering Department of Architecture and Building Engineering

2010.4 - 2014.3

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Research History

Institute of Science Tokyo Associate Professor

2024.12

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Tokyo Institute of Technology School of Environment and Society Assistant Professor

2019.4

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Country：Japan

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Professional Memberships

International Association for Shell and Spatial structures (IASS)

2018.7

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Japan Society of Steel Construction (JSSC)

2018.5

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Architectural Institute of Japan

2014.4

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Committee Memberships

日本建築学会シェル・空間構造運営委員会

2025.4

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Committee type：Academic society

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日本建築学会シェル・空間構造運営委員会ラチスシェル屋根構造設計指針改定委員会

2023.3

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Committee type：Academic society

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日本建築学会デジタル・グローバル建築教育特別調査委員会

2021.4

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Committee type：Academic society

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Architectural Institute of Japan. Committee member of seismic design of shell and spatial structures

2020.6

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Committee type：Academic society

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Papers

SEISMIC RESPONSE REDUCTIONS BY PLURAL TMDS OF CYLINDRICAL LATTICE ARCH ROOF SUPPORTED BY SINGLE STORY SUBSTRUCTURE SIMULATING SCHOOL GYMNASIUM IN LARGE-SCALE SHAKING TABLE TESTS

Tomohiko KUMAGAI, Haru TAKAHASHI, Shun KUROSAKI, Toru TAKEUCHI, Yuki TERAZAWA, Jun FUJIWARA

Journal of Structural and Construction Engineering (Transactions of AIJ) 90 ( 835 ) 1006 - 1017 2025.9

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Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Architectural Institute of Japan

DOI： 10.3130/aijs.90.1006

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FEASIBILITY STUDY OF SEISMIC RESPONSE CONTROL OF A CENTER CORE TYPE TALL BUILDING BY A NOVEL DAMPED OUTRIGGER SYSTEM WITH TUNED VISCOUS MASS DAMPERS,同調粘性マスダンパー付アウトリガー構造を用いた中央コア型超高層建物の地震応答制御と実現可能性評価

Terazawa, Y., Udagawa, T., Ikeda, R., Kashimoto, N., Takeuchi, T.

Journal of Structural and Construction Engineering 90 ( 833 ) 2025.7

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Language：English Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.90.865

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CALCULATION METHOD OF DESIGN SEISMIC LOADS FOR RC GYMNASIUMS WITH STEEL ROOFS BY RESPONSE SPECTRUM ANALYSIS USING GROUND ACCELERATION,地動加速度を用いた応答スペクトル法による鉄骨置屋根体育館の設計用地震荷重の算出手法

Kitamaki, S., Yamashita, T., Terazawa, Y., Takeuchi, T.

Journal of Structural and Construction Engineering 90 ( 833 ) 2025.7

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Language：English Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.90.834

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SCALED SHAKING TABLE TEST OF CYLINDRICAL LATTICE ARCH ROOF SUPPORTED BY SINGLE STORY SUBSTRUCTURE SIMULATING SCHOOL GYMNASIUM Reviewed

Yuki Terazawa, Toru Takeuchi, 安井佐予, 荻原実, 小中孔明, 廣谷直也, 渡辺美雪

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 89 ( No. 823 ) 1027 - 1038 2024.9

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.89.1027

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BUCKLING BEHAVIOR AND CYCLIC DEFORMATION CAPACITY OF CIRCULAR HOLLOW SECTION MEMBERS WITH 20 OF THE SLENDERNESS RATIO IN TRUSS TOWER STRUCTURES

Toru Takeuchi, 山口悠黎, Yuki Terazawa, パラダン・スージャン, 熊谷知彦, KOSHIRO NISHIMURA, 山下哲郎, 藤原淳

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 89 ( No. 823 ) 955 - 966 2024.9

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Language：Japanese Publishing type：Research paper (conference, symposium, etc.)

DOI： 10.3130/aijs.89.955

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FORM-FINDING OF METAL GRIDSHELLS FOCUSING ON THE TRADEOFF RELATIONSHIP BETWEEN TOTAL STRAIN ENERGY FOR DEAD LOAD AND SEISMIC LOAD Reviewed

Yuki Terazawa, 金子亮太, 新美敦也, Toru Takeuchi

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 89 ( No. 823 ) 967 - 978 2024.9

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.89.967

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The latest enhancement to Guides of Metal Roof Spatial Structures International coauthorship International journal

Toru TAKEUCHI, Suduo Xue, Shiro Kato, Jinzhi Wu, Yuki Terazawa, Ben Sitler

Proceedings of the IASS 2024 Symposium 2024.8

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Language：English Publishing type：Research paper (international conference proceedings)

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Comparing seismic responses of steel frames equipped with post-tensioned BRBs having carbon fiber cables and steel strands Reviewed International coauthorship International journal

Kurutulus Atasever, Yuki Terazawa, Shogo Inanaga, O.C. Celik, Toru Takeuchi

2024.7

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Language：English Publishing type：Research paper (international conference proceedings)

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Development of a machine-learning-based web application tool for parametric damper design Reviewed International coauthorship International journal

Yuki Terazawa, Toru Takeuchi, Takashi Miyazaki, Yasushi Ichikawa, Ryota Tomioka, Kazuma Goto

2024.7

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Language：English Publishing type：Research paper (international conference proceedings)

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Modal damping and seismic performance of damped shear wall systems for tall building in high seismic zones Reviewed International coauthorship International journal

Yuki Terazawa, Toru Takeuchi, Mizuki Tanaka

2024.7

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学校体育館を模擬した支持架構付き屋根型円筒アーチの縮小振動台実験－その1 実験概要－

竹内徹, 寺澤友貴, 山口悠黎, 熊谷知彦, 山下哲郎, 西村康志郎, Pradhan Sujan, 藤原淳

日本建築学会大会学術講演梗概集 Vol. ( No. ) 2024.7

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Language：Japanese Publishing type：Research paper (conference, symposium, etc.) Publisher：日本建築学会

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Dynamic friction effects in buckling-restrained braces Reviewed International coauthorship International journal

Ben Sitler, Toru Takeuchi, Yuki Terazawa, Masao Terashima

2024.7

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鋼板を接着補強した送電用山形鋼鉄塔腹材の接合部載荷実験と有限要素法解析

中村毅, 寺澤友貴, 竹内徹

2024.7

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Language：Japanese Publisher：日本鉄塔協会誌

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学校体育館を模擬した支持架構付き屋根型円筒アーチの縮小振動台実験－その1 実験概要－

竹内徹, 寺澤友貴, 山口悠黎, 熊谷知彦, 山下哲郎, 西村康志郎, Pradhan Sujan, 藤原淳

日本建築学会大会学術講演梗概集 Vol. ( No. ) 2024.7

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Language：Japanese Publishing type：Research paper (conference, symposium, etc.) Publisher：日本建築学会

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EXPERIMENTAL AND NUMERICAL CHARACTERIZATION OF ULTRA LOW-CYCLE FATIGUE FRACTURE OF CFCF RECTANGULAR PLATE ELEMENTS UNDER CYCLIC BENDING Reviewed

Yuki Terazawa, 伊藤大悟, Toru Takeuchi, シットラー・ベン

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 89 ( No. 820 ) 651 - 662 2024.6

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.89.651

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FUNDAMENTAL STUDY ON SEISMIC RETROFIT FOR ANGLE BRACE CONNECTIONS OF TRANSMISSION TOWER USING STEEL PLATE ADHESIVE BONDING Reviewed

Takeshi NAKAMURA, Yuki TERAZAWA, Toru TAKEUCHI

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 89 ( No. 818 ) 462 - 472 2024.4

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.89.462

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SEISMIC FORCE REDUCTION FACTOR EVALUATION OF DOUBLE-LAYERED DOMES SUPPORTED BY SINGLE STORY SUBSTRUCTURES Reviewed

Yuki Terazawa, Haruna Shijo, Tomohiko Kumagai, Toru Takeuchi,

Journal of Structural and Construction Engineering (Transaction of AIJ) Vol. 89 ( No. 815 ) 2024.1

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.89.63

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Reduced-Scale Dynamic Loading Tests on Seismic Isolation Bearing Excluding Friction and Inertia Forces

Toru Takeuchi, Yoshikazu Takahashi, Yukio Umemura, Yuki Terazawa, Keita Uemura, Tomoya Ueda

PROCEEDINGS OF THE 11TH INTERNATIONAL CONFERENCE ON BEHAVIOUR OF STEEL STRUCTURES IN SEISMIC AREAS, VOL 2, STESSA 2024 520 196 - 209 2024

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Language：English Publishing type：Research paper (international conference proceedings)

DOI： 10.1007/978-3-031-62888-7_18

Web of Science

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Scaled dynamic loading tests on seismic isolation bearing excluding the contamination of friction and inertia forces Reviewed International coauthorship International journal

Toru Takeuchi, Yoshikazu Takahashi, Yukio Umemura, Yuki Terazawa, Keita Uemura, Tomoya Ueda,

Engineering Structures Vol. 296 ( No. ) 116844 - 116844 2023.12

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Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier BV

DOI： 10.1016/j.engstruct.2023.116844

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シアスパン比の大きい置屋根体育館の片持RC柱の実験

山根一真, 山下哲郎, 西村康志郎, 寺澤友貴, 竹内徹

2023.11

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屋根架構の振動性状を考慮した体育館 RC 片持架構の応答制御その 2 RC 片持架構の応力性状の検証と既往設計法の補足

市橋啓太, 寺澤友貴, 竹内徹, 山下哲郎, 藤原淳, 西村康志郎

日本建築学会大会学術講演梗概集構造Ⅰ 765 - 766 2023.9

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Language：Japanese Publishing type：Research paper (conference, symposium, etc.) Publisher：日本建築学会

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屋根架構の振動性状を考慮した体育館 RC 片持架構の応答制御その 1 鉄骨置屋根体育館の各種諸元が構面外応答特性に与える影響

山口悠黎, 市橋啓太, 寺澤友貴, 竹内徹, 山下哲郎, 藤原淳, 西村康志郎

日本建築学会大会学術講演梗概集構造Ⅰ 763 - 764 2023.9

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シアスハ?ン比の大きい置屋根体育館の片持RC 柱の実験その３ OpenSees を用いた柱の解析

山根一真, 山下哲郎, 西村康志郎, 竹内徹, 寺澤友貴

日本建築学会大会学術講演梗概集構造Ⅰ 767 - 768 2023.9

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EFFECT OF DESIGN SPECIFICATIONS OF RC GYMNASIUMS WITH METAL SPATIAL ROOFS ON RESPONSE CONTROL OF CANTILEVERED RC WALLS AND THE RESPONSE EVALUATION METHOD Reviewed

Yuki Terazawa, Keita Ichihashi, Toru Takeuchi,

Journal of Structural and Construction Engineering (Transaction of AIJ) Vol. 88 ( No. 810 ) 1240 - 1249 2023.8

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.88.1240

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Seismic force reduction factor evaluation for double-layered domes supported by single-story substructures Reviewed International coauthorship International journal

Yuki Terazawa, Haruna Shijo, Deepshikha Nair, Toru Takeuchi,

Proceedings of The International Conference on Shell and Spatial Structures Vol. ( No. ) 2023.7

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Scaled Shaking Table Tests Simulating the Damage of the School Gymnasium in the 2016 KUMAMOTO Earthquake Reviewed International coauthorship International journal

Jun FUJIWARA, Yuki TERAZAWA, Akiko KISHIDA, Koshiro NISHIMURA, Tetsuro YAMASHITA, Tomohiko Kumagai, Toru TAKEUCHI

Journal of the International Association for Shell and Spatial Structures Vol. 64 ( No. 2 ) 109 - 122 2023.6

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Language：English Publishing type：Research paper (scientific journal) Publisher：International Association for Shell and Spatial Structures

The transverse out-of-plane response of the RC moment frame on the arena floor damaged a school gymnasium that was expected to function as a natural disaster shelter. It was composed of heavy RC substructure and a light steel roof, which partially collapsed, resulting in the facility's permanent destruction in the 2016 Kumamoto earthquake. This study describes scaled shaking table tests that simulate out-of-plane response-induced damage to the RC moment frame of the school gymnasium during the 2016 Kumamoto earthquake and verifies the damage mechanism proposed by the previous numerical simulation and the efficiency of a response control by the friction damper support. Furthermore, the study validates two methods for evaluating the response of the RC moment frame and the overall buckling strength of the roof truss member with semi-rigid joints.

DOI： 10.20898/j.iass.2023.006

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DUCTILITY EVALUATION OF I-SECTION BEAMS WITH ISOGRID PURLIN Reviewed

Koichi Suma, Yuki Terazawa, Masanobu Iwanaga, Satoshi Maehara, Toru Takeuchi

Aij Journal of Technology and Design Vol. 29 ( No. 71 ) 174 - 179 2023.2

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/AIJT.29.174

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BUCKLING STRENGTH OF CYLINDRICAL LATTICE SHELLS WITH ISOGRID PURLIN WITH I-BEAMS Reviewed

Yuki Terazawa, Koichi Suma, Masanobu Iwanaga, Satoshi Maehara, Toru Takeuchi

Vol. 29 ( No. 71 ) 127 - 131 2023.2

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Language：Japanese Publishing type：Research paper (scientific journal)

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Generalized response spectrum analysis based computational morphogenesis for metal gridshells with buckling-restrained braces subjected to seismic loading Reviewed International coauthorship International journal

Yuki Terazawa, Atsuya Niimi, Deepshikha Nair, Toru Takeuchi

Computers and Structures Volume 275 ( No. 275 ) 106914 2023.1

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Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier

DOI： 10.1016/j.compstruc.2022.106914

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NONLINEAR RESTORING FORCE CHARACTERISTICS OF CONVENTIONAL ROOF BEARINGS SUBJECTED TO MOMENT AND SHEAR,せん断と曲げモーメントを負担する置屋根体育館支承部の復元力特性に関する研究

Ogata, H., Yamashita, T., Takeuchi, T., Terazawa, Y.

Journal of Structural and Construction Engineering 88 ( 809 ) 2023

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Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.88.1165

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BUCKLING STRENGTH OF CYLINDRICAL LATTICE SHELLS WITH ISOGRID PURLIN WITH I-BEAMS,アイソグリッド格子母屋を用いた大梁付ラチス円筒屋根の座屈耐力評価

Terazawa, Y., Suma, K., Iwanaga, M., Maehara, S., Takeuchi, T.

Aij Journal of Technology and Design 29 ( 71 ) 2023

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Publishing type：Research paper (scientific journal)

DOI： 10.3130/AIJT.29.127

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NUMERICAL INVESTIGATION OF DYNAMIC RESPONSE CHARACTERISTIC OF DAMPED BRACED TUBE SYSTEM WITH DIFFERENT DAMPED SLIT COMFIGURATION Reviewed

Yuki Terazawa, Yoji Ishibashi, Haruki Tanaka, Ryo Yokoyama, Hiroki Mizuno, Toru Takeuchi

Journal of Structural and Construction Engineering Vol. 87 ( No. 802 ) 1247 - 1256 2022.12

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.87.1247

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MEMS加速度センサを用いた長スパンRC片持ち部材の変形測定

佐田和寛, 西村康志郎, 山下哲郎, 山根一真, 竹内徹, 寺澤友貴

日本地震工学会年次大会梗概集 2022.12

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拘束材に集成材を用いた座屈拘束ブレースの繰り返し変形性能と破壊モード Reviewed

小室翔吾, 寺澤友貴, 倉田高志, 小西克尚, 竹内徹

日本建築学会論文集 Vol. 87 ( No. 801 ) 2022.11

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ダンパーの導入費用効果に着目した制振スリット付ブレースチューブ構造の最適地震応答制御 Reviewed

寺澤友貴, 田中陽樹, 竹内徹

日本建築学会論文集 Vol. 87 ( No. 801 ) 2022.11

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人工知能を活用した免・制振構造設計用 WebアプリケーションNS-AIDDの開発

寺澤友貴, 宮﨑崇

Vol. 35 2022.10

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一般化応答スペクトル解析法に基づく支持架構付きラチスシェル屋根の構造形態創生

新美敦也, 寺澤友貴, 竹内徹

第17回コロキウム構造形態の解析と創生2022 2022.10

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一般化応答スペクトル解析法に基づく支持架構付きラチスシェル屋根の構造形態創生

新美敦也, 寺澤友貴, 竹内徹

第17回コロキウム構造形態の解析と創生2022 2022.10

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SIMPLE SEISMIC DAMAGE EVALUATION OF TRANSMISSION TOWER CONSIDERING POST BRACE-BUCKLING BEHAVIOR Reviewed

Takeshi Nakamura, Yuki Terazawa, Toru Takeuchi

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 87 ( No. 799 ) 932 - 943 2022.9

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Language：Japanese Publishing type：Research paper (scientific journal)

DOI： 10.3130/aijs.87.932

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Performance and failure modes of mass timber buckling-restrained braces under cyclic loading Reviewed International coauthorship International journal

T.Takeuchi, Y.Terazawa, S.Komuro, T.Kurata, Ben Sitler

Engineering Structures Vol. 266 114462 2022.9

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Language：English Publishing type：Research paper (scientific journal) Publisher：Engineering Structures

DOI： 10.1016/j.engstruct.2022.114462

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拘束材に集成材を用いた座屈拘束ブレースの繰返し変形性能と破壊モードその5 実大スケール試験体の繰返し載荷実験結果と評価式の検証

倉田高志, 小室翔吾, 寺澤友貴, 竹内徹, Ben Sitler

掲載誌(和文) 2022.9

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拘束材に集成材を用いた座屈拘束ブレースの繰返し変形性能と破壊モードその4 芯材補強鋼板を有する試験体の設計力評価式の提案と全体機構安定性の検証

塩見拓馬, 小室翔吾, 寺澤友貴, 竹内徹, 倉田高志, Ben Sitler

掲載誌(和文) 2022.9

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せん断力と曲げモーメントを受けるスライド支承部の復元力特性に関する研究その2：骨格曲線の定式化

緒方宏征, 西島峻耶, 山下哲郎, 竹内徹, 寺澤友貴

掲載誌(和文) 2022.9

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アイソグリッド格子母屋で上面補剛された空間構造の弾塑性座屈性状その2 連続体置換法を用いた補剛剛性およびラチス円筒屋根座屈耐力の評価

周磨幸一, 寺澤友貴, 岩永将信, 前原智, 竹内徹

掲載誌(和文) 2022.9

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ダンパーの費用対効果を考慮した全体曲げせん断比の異なるDamped braced tubeの最適地震応答制御その2 集約配置での地震応答特性とダンパー導入費用削減の可能性探索

田中陽樹, 寺澤友貴, 竹内徹

掲載誌(和文) 2022.9

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拘束材に集成材を用いた座屈拘束ブレースの繰返し変形性能と破壊モードその3 芯材補強鋼板がない試験体の破壊モードに基づく設計力評価式の提案

竹内徹, 小室翔吾, 寺澤友貴, 倉田高志, Ben Sitler

掲載誌(和文) 2022.9

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Computational morphogenesis based on generalized response spectrum analysis considering both dead load and seismic response of metal gridshell with buckling-restrained braces Reviewed International coauthorship International journal

Yuki Terazawa, Atsuya Niimi, Deepshikha Nair, Toru Takeuchi

Proceeding of the IASS 2022 symposium affiliated with APCS 2022 conference 2022.9

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全体曲げせん断比の異なる線形粘性ダンパー付並列連層耐震架構の動的応答特性

田中瑞希, 寺澤友貴, 竹内徹, 田中陽樹

掲載誌(和文) 2022.9

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一般化応答スペクトル解析法に基づく支持架構付きラチスシェル屋根の構造形態創生 ―その2 固定荷重と地震応答を考慮した支持架構付きラチスシェルの形態創生―

新美敦也, 寺澤友貴, 竹内徹

掲載誌(和文) 2022.9

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ダンパーの費用対効果を考慮した全体曲げせん断比の異なるDamped braced tube の最適地震応答制御その1 数値解析モデルと連続一様配置での地震応答特性およびダンパー費用対効果

大村広輝, 寺澤友貴, 竹内徹, 田中陽樹

掲載誌(和文) 2022.9

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シアスハ?ン比の大きい置屋根体育館の片持RC 柱の実験その２剛性と変形に関する分析

山根一真, 山下哲郎, 西村康志郎, 竹内徹, 寺澤友貴

日本建築学会大会学術講演梗概集構造Ⅰ 709 - 710 2022.9

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シアスパン比の大きい置屋根体育館の片持RC柱の実験その1 実験とその結果

山下哲郎, 山根一真, 西村康志郎, 竹内徹, 寺澤友貴

日本建築学会大会学術講演梗概集構造Ⅰ 707 - 708 2022.9

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一般化応答スペクトル解析法に基づく支持架構付きラチスシェル屋根の構造形態創生 ―その1 構造形態創生手法と支持架構付きラチスシェルの最適BRB配置―

市橋啓太, 新美敦也, 寺澤友貴, 竹内徹

掲載誌(和文) 2022.9

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屋根部逆対称1波モード固有周期が長周期領域にある中大規模ラチスドームの地震応答評価

山口悠黎, 寺澤友貴, 竹内徹

日本建築学会大会学術講演梗概集 2022.9

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拘束材に集成材を用いた座屈拘束ブレースの繰返し変形性能と破壊モードその1 試験体構成と繰返し載荷実験概要

小室翔吾, 寺澤友貴, 竹内徹, 倉田高志, Ben Sitler

掲載誌(和文) 2022.9

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アイソグリッド格子母屋で上面補剛された空間構造の弾塑性座屈性状その1 接合部耐力試験とH形断面梁の塑性曲げ変形性能評価

梅村幸央, 周磨幸一, 寺澤友貴, 岩永将信, 前原智, 竹内徹

掲載誌(和文) 2022.9

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せん断力と曲げモーメントを受けるスライド支承部の復元力特性に関する研究その1：実験概要と結果

西島峻耶, 緒方宏征, 山下哲郎, 竹内徹, 寺澤友貴

掲載誌(和文) 2022.9

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Preliminary seismic design of double-layered domes with nonlinear substructures Reviewed International coauthorship International journal

Deepshikha Nair, Yuki Terazawa, Toru Takeuchi

Proceedings of the IASS 2022 Symposium affiliated with APCS 2022 conference 2022.9

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拘束材に集成材を用いた座屈拘束ブレースの繰返し変形性能と破壊モードその2 繰返し載荷実験結果

Ben Sitler, 小室翔吾, 寺澤友貴, 竹内徹, 倉田高志

掲載誌(和文) 2022.9

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Optimal Mixed Placement and Capacity Distribution of Buckling-Restrained Braces and Conventional Braces on a Large Metal Spatial Structure Without Rigid Diaphragm Assumption Reviewed International coauthorship International journal

Yuki Terazawa, Miho Fujishima, Toru Takeuchi

Frontiers in Built Environment Vol. 8 2022.7

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<jats:p>This paper presents a design application of the proposed generalized response spectrum analysis (GRSA)-based seismic optimization method to a large metal spatial structure (constructed in Japan) where a rigid diaphragm assumption is not available and displacement responses are disproportionally distributed in a story. It also discusses the optimal mixed placement and capacity distribution of buckling-restrained braces (BRBs) and conventional braces (CBs) to minimize both the story drift response and the number of BRBs (i.e., the introduction cost of expensive energy-dissipation devices used as dampers). GRSA is a quick and efficient analysis method for estimating the reduced seismic responses of structural models with a large degree of freedom, and GRSA-based computational optimization enables a more efficient seismic design process than trial-and-error approaches with time-consuming nonlinear response history analysis. In this study, the efficiency is verified through a comparison with the Japanese standard BRB design method. According to the results, the optimal design solution by the proposed method has approximately 20% less steel tonnage of BRBs than that obtained from the standard method, whereas the seismic performance is equal to or better than the others. Moreover, although engineers should still consider the possibility of damage concentration, the brace configuration of the substructure where BRBs and CBs are arranged in adjacent stories is the most effective for reducing both the number of BRBs and the story drift response.</jats:p>

DOI： 10.3389/fbuil.2022.954117

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A novel damped braced tube system for tall buildings in high seismic zones Reviewed International coauthorship International journal

Y.Ishibashi, Y.Terazawa, H.Tanaka, Ryo Yokoyama, H.Mizuno, T.Takeuchi

Structural Design of Tall and Special Building Vol. 31 ( Issue 8 ) 2022.6

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DOI： 10.1002/tal.1926

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Equivalent static loads for double-layered domes supported by multistorey buckling-restrained braced frames Reviewed International coauthorship International journal

D.Nair, Y.Terazawa, T.Takeuchi

International Journals of Space Structures 095605992210978 - 095605992210978 2022.6

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<jats:p> Curved gridshells are excited not only in the horizontal direction but also experience large anti-symmetric vertical accelerations when subjected to horizontal earthquake ground motions. In addition to the coupled response, gridshells exhibit closely spaced modes and substructure-roof interaction. Nevertheless, previous studies have proposed elastic horizontal and vertical equivalent static seismic forces considering these complex dynamic response characteristics. These are determined from the input horizontal acceleration at the substructure’s roof level, an assumed acceleration distribution, nodal roof masses and amplification factors derived from the dynamic characteristics of the dome and substructure. To extend this methodology to nonlinear substructures with displacement-dependent damping devices, this paper investigates the applicability of ductility reduction factors (or R<jats:sub>μ</jats:sub> factors) to estimate the inelastic response spectra and an alternative equivalent linearisation approach to compute the peak horizontal acceleration of multistorey substructures with buckling-restrained braces. This is achieved by modelling the curved roof as a rigid mass for the substructure model, and using its idealised base shear-roof displacement relationship obtained from modal pushover analyses. The peak horizontal acceleration of the substructure is then used to obtain the equivalent static loads of the curved roof using amplification factors, and the accuracies are verified against the results from nonlinear response history analyses. It was confirmed that the R<jats:sub>μ</jats:sub> [Formula: see text]factors combined with the roof amplification factors provide a simple way to estimate the peak roof response with sufficient accuracy for preliminary design of domes with multistorey substructures having low post-yield stiffness. </jats:p>

DOI： 10.1177/09560599221097834

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From performance to presence: the dialogue between structure design and architecture design

Toru Takeuchi, Yimin Guo, Yuki Terazawa

Vol. 28 2022.4

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FEASIBILITY STUDY ON PRACTICAL USE OF TIMBER-STEEL HYBRID STRUCTURE Reviewed

Hiroaki Harada, Miwa Mizutani, Mizuki Shigematsu, 杜凌子, Kenichi Hayashi, Takashi Kurata, Ryo Saito, Yuki Terazawa, HIROYASU SAKATA, Toru Takeuchi

Vol. 28 ( No. 68 ) 203 - 208 2022.2

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Experimental investigation of friction at buckling-restrained brace debonding interfaces Reviewed International coauthorship International journal

Ben Sitler, Toru Takeuchi, Yuki Terazawa, Masao Terashima

Journal of Structural Engineering Vol. 148 ( Issue 2 ) 2022.2

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DOI： 10.1061/(ASCE)ST.1943-541X.0003184

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EQUIVALENT STATIC SEISMIC LOAD FOR MIDDLE TO LARGE SPAN LATTICED DOMES CONSIDERING ROOF ANTISYMMETRIC MODE AMPLIFIED BY SUBSTRUCTURE SECOND MODE Reviewed

Yuki Terazawa, Deepshikha Nair, Keita Ichihashi, Toru Takeuchi

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 87 ( No. 792 ) 194 - 204 2022.2

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DOI： 10.3130/aijs.87.194

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NON-LINEAR DYNAMIC RESPONSE CHARACTERISTIC OF SINGLE-DAMPED OUTRIGGER SYSTEMS WITH OIL DAMPERS OR ELASTO-PLASTIC DAMPERS CONSIDERING DESIGN EARTHQUAKE LEVELS

Yuki TERAZAWA, Yoji ISHIBASHI, Hiroki OMURA, Tomoki ASAI, Toru TAKEUCHI

Journal of Structural and Construction Engineering (Transactions of AIJ) 87 ( 791 ) 149 - 160 2022.1

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DOI： 10.3130/aijs.87.149

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地震動入力レベルを考慮したダンパー付単層アウトリガー構造の非線形動的応答解析 Reviewed

寺澤友貴, 石橋洋二, 大村広輝, 浅井智樹, 竹内徹

日本建築学会論文集 Vol. 87 ( No. 191 ) 149 - 160 2022.1

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OPTIMAL SEISMIC RESPONSE CONTROL OF DAMPED BRACED TUBE SYSTEM WITH FOCUS ON COST PERFORMANCE OF INTRODUCING ENERGY-DISSIPATION DEVICES,ダンパーの導入費用対効果に着目した制振スリット付ブレースチューブ構造の最適地震応答制御

Terazawa, Y., Tanaka, H., Takeuchi, T.

Journal of Structural and Construction Engineering 87 ( 801 ) 2022

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DOI： 10.3130/aijs.87.1082

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EXPERIMENTAL STUDY ON CYCLIC DEFORMATION CAPACITY AND FAILURE MODES OF BUCKLING-RESTRAINED BRACES WITH MASS TIMBER-RESTRAINERS,拘束材に集成材を用いた座屈拘束ブレースの繰返し変形性能と破壊モード

Komuro, S., Terazawa, Y., Kurata, T., Konishi, Y., Takeuchi, T.

Journal of Structural and Construction Engineering 87 ( 801 ) 2022

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DOI： 10.3130/aijs.87.1059

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FEASIBILITY STUDY ON PRACTICAL USE OF TIMBER-STEEL HYBRID STRUCTURE,木鋼ハイブリッド構造の実用化におけるフィジビリティスタディ

Harada, H., Mizutani, M., Shigematsu, M., To, R., Hayashi, K., Kurata, T., Saito, R., Terazawa, Y., Sakata, H., Takeuchi, T.

Aij Journal of Technology and Design 28 ( 68 ) 2022

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DOI： 10.3130/aijt.28.203

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First Mode Damping Ratio Oriented Optimal Design Procedure for Damped Outrigger Systems with Additional Linear Viscous Dampers Reviewed International coauthorship International journal

Tomoki Asai, Yuki Terazawa, Takashi Miyazaki, Pao-Chun Lin, Toru Takeuchi

Engineering Structures Volume 247 2021.11

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DOI： 10.1016/j.engstruct.2021.113229

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Higher mode effects of multistorey substructures on the seismic response of double-layered steel gridshell domes Reviewed International coauthorship International journal

Deepshikha Nair, Keita Ichihashi, Yuki Terazawa, Ben Sitler, Toru Takeuchi

Engineering Structures. Vol. 243 ( No. ) 2021.9

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DOI： 10.1016/j.engstruct.2021.112677

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Experimental dynamic characterization of friction brace dampers and application to the seismic retrofit of RC buildings Reviewed International coauthorship International journal

Panumas Saingam, Ryota Matsuzaki, Koki Nishikawa, Ben Sitler, Yuki Terazawa, Toru Takeuchi

Engineering Structures. Vol. 242 2021.9

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DOI： 10.1016/j.engstruct.2021.112545

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DEFORMATION CAPACITY OF DOG BONE TIMBER-STEEL HYBRID CONNECTIONS WITH BOTH SIDE FLANGES FIXED BY LAG SCREWS Reviewed

Saito Ryo, Kimiaki Harada, Yuki Terazawa, Yoshihiro Yamazaki, Kenichi Hayashi, Hiroyasu Sakata, Toru Takeuchi

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 86 ( No. 786 ) 1224 - 1234 2021.8

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DOI： 10.3130/aijs.86.1224

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MEMBER GLOBAL BUCKLING STRENGTH ESTIMATION OF SPATIAL TRUSS ROOF WITH SEMI-RIGID JOINTS CONSIDERING BOUNDARY CONDITIONS Reviewed

Yuki Terazawa, Ryunosuke Kishizawa, Toru Takeuchi, Tomohiko Kumagai, Miao Cao

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 86 ( No. 786 ) 1235 - 1246 2021.8

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DOI： 10.3130/aijs.86.1235

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Shake-table test of a partial model of a roller-supported steel roof, Part 2 Test for reproducing earthquake damage Reviewed International coauthorship International journal

Jun FUJIWARA, Akiko KISHIDA, Yuki TERAZAWA, Toru TAKEUCHI, Koshiro NISHIMURA, Tetsuro YAMASHITA, Yoshinao KONISHI, Ryunosuke KISHIZAWA, Koki NISHIKAWA, Ryota KAJIWARA

Proceedings of the IASS Annual Symposium 2020/21 and the 7th International Conference on Spatial Structures 2021.8

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DESIGN PROCEDURE FOR OUT-OF-PLANE RESPONSE CONTROL OF CANTILEVERED RC WALL CONNECTED BY ROLLER SUPPORTS TO METAL SPATIAL ROOF

Yuki TERAZAWA, Koki NISHIKAWA, Toru TAKEUCHI, Jun FUJIWARA, Akiko KISHIDA, Yoshinao KONISHI, Tetsuo YAMASHITA, Koshiro NISHIMURA

Journal of Structural and Construction Engineering (Transactions of AIJ) 86 ( 784 ) 991 - 1001 2021.6

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DOI： 10.3130/aijs.86.991

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滑り支承で鉄骨造屋根に接続されるRC片持架構の構面外応答制御設計法 Reviewed

寺澤友貴, 西川幸希, 竹内徹, 藤原淳, 岸田明子, 小西克尚, 山下哲郎, 西村康志郎

日本建築学会構造系論文集 Vol. 86 ( No. 784 ) 2021.6

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SEISMIC RETROFIT OF RC BUILDINGS WITH VISCOUS DAMPERS AND ELASTIC STEEL FRAMES INCLUDING EFFECT OF COMPOSITE BEHAVIOR Reviewed

Panumas Saingam, Fatih Sutcu, Yuki Terazawa, Oguz C. Celik, Toru Takeuchi

Journal of Structural Engineering Vol. 67B ( No. ) 2021.3

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BUCKLING STRENGTH OF LATTICED DOMES OF GRID-PURLIN WITH BEAMS

Yuki TERAZAWA, Koichi SUMA, Masanobu IWANAGA, Satoshi MAEHARA, Toru TAKEUCHI

AIJ Journal of Technology and Design 26 ( 64 ) 899 - 904 2020.10

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DOI： 10.3130/aijt.26.899

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ブレース材・制振部材を用いた耐震設計の考え方と最新の設計アプローチ

竹内徹, 寺澤友貴

Vol. 33 2020.10

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格子母屋を用いた大梁付ラチスドームの座屈耐力 Reviewed

寺澤友貴, 周磨幸一, 岩永将信, 前原智, 竹内徹

日本建築学会技術報告集 Vol. 26 ( No. 64 ) 899 - 904 2020.10

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Comparison of Seismic Damage Design Criteria of Space Frame Roofs Supported by RC Substructures Reviewed

Yuki Terazawa

Vol. ( No. ) 2020.10

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Response control of steel structures using buckling-restrained braces with post-tensioned cables

Shogo Inanaga, Yuki Terazawa, Kurtulus Atasever, Oguz C. Celik, Toru Takeuchi

Journal of Structural and Construction Engineering 85 ( 775 ) 1175 - 1183 2020.9

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DOI： 10.3130/aijs.85.1175

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DESIGN METHOD OF SEISMICALLY ISOLATED STRUCTURES BASED ON GENERALIZED RESPONSE SPECTRUM ANALYSIS Reviewed

Yuki Terazawa, Wataru Sano, Toru Tekeuchi

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 85 ( No. 775 ) 1187 - 1197 2020.9

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DOI： 10.3130/aijs.85.1187

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Response control of steel structures using buckling-restrained braces with post-tensioned cables Reviewed

Shogo Inanaga, Yuki Terazawa, Kurtulus Ayasever, Oguz C. Celik, Toru Takeuchi

J. Struct. Constr. Eng. AIJ Vol. 185 ( No. 775 ) 1175 - 1185 2020.9

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BRB design optimization for a large arena structure based on Generalized Response Spectrum Analysis Reviewed International coauthorship International journal

Y.Terazawa, T.Takeuchi, Miho Fujishima

2020 17WCEE Proceedings Vol. ( No. 2g-0028 ) 2020.9

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Language：English Publishing type：Research paper (international conference proceedings) Publisher：Japan Association for Earthquake Engineering

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SEISMIC RETROFIT FOR RC BUILDINGS USING ELASTO-PLASTIC AND VISCOUS DAMPERS IMPLEMENTED WITH ELASTIC STEEL FRAMES Reviewed International coauthorship International journal

P.Saingam, T.Takeuchi, F.Sutcu, Y.Terazawa, P.C.Lin

2020 17WCEE Proceedings ( No. 2c-0108 ) 2020.9

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Seismic Response Characteristics of long-span domes: Roof-substructure interaction Reviewed International coauthorship International journal

D.Nair, B.Sitler, Y.Terazawa, T.Takeuchi

2020 17WCEE Proceedings ( No. 2g-0032 ) 2020.9

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EFFECT OF DESIGN PARAMETERS ON DYNAMIC RESPONSE CHARACTERISTIC OF SINGLE DAMPED OUTRIGGER SYSTEM INCORPORATING LINEAR VISCOUS DAMPERS Reviewed

Yuki Terazawa, Tomoki Asai, Yoji Ishibashi, Toru Takeuchi

Vol. 85 ( No. 774 ) 1067 - 1077 2020.8

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Experimental and numerical studies on buckling restrained braces with posttensioned carbon fiber composite cables Reviewed International coauthorship International journal

Kurtulus Ayasever, Shogo Inanaga, Toru Takeuchi, Yuki Terazawa, Oguz C. Celik

Earthquake Engineering and Structural Dynamics ( No. 2g-0025 ) 2020.7

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Language：English Publishing type：Research paper (scientific journal) Publisher：Japan Association for Earthquake Engineering

DOI： 10.1002/eqe.3321

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Cyclic elasto-plastic deformation capacity of dog bone timber-steel hybrid connections Reviewed

Hiroaki Harada, Ryo Saito, Shun Nakajima, Yoshihiro Yamazaki, Yuki Terazawa, Kenichi Hayashi, Hiroyasu Sakata, Toru Takeuchi

Journal of Structural and Construction Engineering 85 ( 773 ) 945 - 955 2020.7

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DOI： 10.3130/aijs.85.945

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Experimental investigation of a multistage buckling-restrained brace Reviewed International coauthorship International journal

Ben Sitler, Toru Takeuchi, Ryota Matsui, Masao Terashima, Yuki Terazawa

Engineering Structures Vol. 213 ( no. 110482 ) 2020.6

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DOI： 10.1016/j.engstruct.2020.110482

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ドッグボーン付き木鋼「ハイブリッド柱梁接合部の弾塑性繰り返し変形性能 Reviewed

原田公明, 斉藤瞭, 中島舜, 山崎義弘, 寺澤友貴, 林賢一, 坂田弘安, 竹内徹

日本建築学会構造系論文集 Vol. 85 ( No. 773 ) 945 - 955 2020.6

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DOI： 10.3130/aijs.86.1224

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Seismic response of long-span domes supported by multi-storey substructures Reviewed International coauthorship International journal

Deepshikha Nair, Yuki Terazawa, Ben Sitler, Toru Takeuchi

Journal of IASS Vol. 61 ( No. 2 ) 140 - 157 2020.6

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Language：English Publishing type：Research paper (scientific journal)

DOI： 10.20898/j.iass.2020.204.007

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Composite behavior in RC buildings retrofitted using buckling-restrained braces with elastic frames Reviewed International coauthorship International journal

Panumas Saingam, Fatih Sutcu, Yuki Terazawa, Kazuhiro Fujishita, Pao^Chun Lin, Oguz C. Celik, Toru Takeuchi

Engineering Structures Vol. ( No. 219 ) 2020.6

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DOI： 10.1016/j.engstruct.2020.110896

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Cyclic Loading Tests of Buckling-restrained braces with post-tensioned cables Reviewed

Shogo Inanaga, クルチュルスアタセバー, Yuki Terazawa, Oguz C. Celik, Toru Takeuchi

Vol. 85 ( No. 772 ) 821 - 831 2020.6

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Effect of design parameters on dynamic response characteristic of single damped outrigger system incorporating linear viscous dampers

Yuki Terazawa, Tomoki Asai, Yoji Ishibashi, Toru Takeuchi

Journal of Structural and Construction Engineering 85 ( 774 ) 1067 - 1077 2020

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DOI： 10.3130/aijs.85.1067

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CYCLIC LOADING TESTS OF BUCKLING-RESTRAINED BRACES WITH POST-TENSIONED CABLES,初期張力材付座屈拘束ブレースの繰返し載荷実験

Inanaga, S., Atasever, K., Terazawa, Y., Celik, O.C., Takeuchi, T.

Journal of Structural and Construction Engineering 85 ( 722 ) 2020

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DOI： 10.3130/AIJS.85.821

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Recent Advances in Analysis, Design and Construction of Shell & Spatial Structures in the Asia-Pacific Region Reviewed

J.Yuen, H.C.Chew, S.L.Chan, T.Kimura, H.Y.Wan, J.Wu, S.Inanaga, T.Takeuchi, Y.Terazawa, R.Matsui

2019.12

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Language：English Publisher：Recent Advances in Analysis, Design and Construction of Shell & Spatial Structures in the Asia-Pacific Region

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Optimal damper design strategy for braced structures based on generalized response spectrum analysis Reviewed

Terazawa, Y., Takeuchi, T.

Japan Architectural Review 2 ( 4 ) 477 - 493 2019.10

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DOI： 10.1002/2475-8876.12122

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Layout optimization of elasto-plastic dampers for steel braced tubes based on generalized response spectrum analysis Reviewed International coauthorship International journal

Yuki Terazawa, Toru Takeuchi

Proceedings of IASS Annual Symposium 2019 2040 - 2047 2019.10

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Buckling strength of timber grid shell roof with steel connections considering rotational stiffness Reviewed International coauthorship International journal

Shun Nakajima, Yuki Terazawa, Toru TAKEUCHI, Toshiyuki OGAWA, Yoshihiro YAMAZAKI, Hiroyasu SAKATA

Proceedings of IASS Annual Symposium 2019 Vol. ( No. ) 954 - 961 2019.10

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Elastic buckling strength of timber lattice shell with steel connections considering rotational stiffness Reviewed

Shun Nakajima, Yuki Terazawa, Toru Takeuchi, Toshiyuki Ogawa, Yoshihiro Yamazaki, HIROYASU SAKATA

Transactions of AIJ. Journal of structural and construction engineering Vol. 84 ( No. 762 ) 1081 - 1091 2019.8

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Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Architecture Institute of Japan

DOI： 10.3130/aijs84.1081

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Ultimate Seismic Performance and Optimal Design Strategy of Steel Frames Focused on Brace Buckling Reviewed

Yuki Terazawa

2019.3

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Effect of connection stiffness on seismic response of timber-steel grid shell roof Reviewed

Hiroaki Harada, Naoki Iriguchi, Yuki Terazawa, Ryota Matsui, Yoshihiro Yamazaki, HIROYASU SAKATA, Toru Takeuchi

J. Struct. Constr. Eng. AIJ Vol. 84 ( No. 755 ) 51 - 59 2019.1

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DOI： 10.3130/aijs.84.51

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Seismic response evaluation of long-span domes supported by multi-storey substructures incorporating spine frames

Deepshikha Nair, Yuki Terazawa, Ben Sitler, Toru Takeuchi

IASS Symposium 2019 - 60th Anniversary Symposium of the International Association for Shell and Spatial Structures; Structural Membranes 2019 - 9th International Conference on Textile Composites and Inflatable Structures, FORM and FORCE 1007 - 1014 2019

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Elastic buckling strength of timber lattice shell with steel connections considering rotational stiffness Reviewed

Shun Nakajima, Yuki Terazawa, Torn Takeuchi, Toshiyuki Ogawa, Yoshihiro Yamazaki, Hiroyasu Sakata

Journal of Structural and Construction Engineering 84 ( 762 ) 1081 - 1091 2019

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DOI： 10.3130/aijs.84.1081

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鉄骨置屋根体育館における立体トラス屋根の地震被害分析 Reviewed

寺澤友貴, 稲永匠悟, 松井良太, 竹内徹

日本建築学会構造系論文集 Vol. 83 ( No. 754 ) 2018.12

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Seismic damage evaluation of space frame roofs of RC Gymnasiums

Yuki Terazawa, Shogo Inanaga, Ryota Matsui, Toru Takeuchi

Journal of Structural and Construction Engineering 83 ( 754 ) 1789 - 1799 2018.12

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DOI： 10.3130/aijs.83.1789

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OPTIMAL DAMPER DESIGN STRATEGY FOR BRACED STRUCTURES BASED ON GENERALIZED RESPONSE SPECTRUM ANALYSIS Reviewed

Yuki Terazawa, Toru Takeuchi

Journal of structural and constructional engineering, AIJ Vol. 83 ( No. 753 ) 2018.11

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Optimal damper design strategy for braced structures based on generalized response spectrum analysis

Yuki Terazawa, Toru Takeuchi

Journal of Structural and Construction Engineering 83 ( 753 ) 1689 - 1699 2018.11

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DOI： 10.3130/aijs.83.1689

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木鋼格子ラチスシェルの地震応答における接合部回転剛性の影響その2 支持架構付きモデルの地震応答評価

入口直樹, 原田公明, 林賢一, 水谷美和, 寺澤友貴, 中島舜, 山崎義弘, 松井良太, 坂田弘安, 竹内徹

日本建築学会大会学術講演梗概集 Vol. ( 構造? ) 857 - 858 2018.9

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各種支承を有するRC 支持架構付き円筒ラチスシェルの応答評価 Reviewed

稲葉祐介, 寺澤友貴, 松井良太, 熊谷知彦, 竹内徹

日本建築学会構造系論文集 Vol. 83 ( No. 751 ) 2018.9

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トラス鉄塔の耐震改修における弾塑性ダンパーの最適配置

寺澤友貴, 松井良太, 竹内徹

日本建築学会大会学術講演梗概集 ( 構造Ⅰ ) 909 - 910 2018.9

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木鋼格子ラチスシェルの地震応答における接合部回転剛性の影響その1 屋根モデルの地震応答評価

中島舜, 入口直樹, 原田公明, 林賢一, 水谷美和, 寺澤友貴, 山崎義弘, 松井良太, 坂田弘安, 竹内徹

日本建築学会大会学術講演梗概集 Vol. ( 構造? ) 855 - 856 2018.9

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種々の支承を有するRC支持架構付き鉄骨円筒ラチスシェル屋根の地震応答その1 ルーズホール付支承の載荷実験

松崎亮太, 寺澤友貴, 熊谷知彦, 稲葉祐介, 松井良太, 竹内徹

日本建築学会大会学術講演梗概集 ( 構造Ⅰ ) 879 - 880 2018.9

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種々の支承を有するRC支持架構付き鉄骨円筒ラチスシェル屋根の地震応答その2 既往応答評価手法の拡張

稲葉祐介, 松井良太, 竹内徹, 寺澤友貴, 熊谷知彦

日本建築学会大会学術講演梗概集 ( 構造Ⅰ ) 881 - 882 2018.9

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Response evaluation of cylindrical shell roofs with various bearings supported by RC Substructures

Yusuke Inaba, Yuki Terazawa, Ryota Matsui, Tomohiko Kumagai, Toru Takeuchi

Journal of Structural and Construction Engineering 83 ( 751 ) 1263 - 1272 2018.9

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DOI： 10.3130/aijs.83.1263

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Cyclic loading tests on steel roof bearings and effects on roof responses

Yusuke Inaba, Yuki Terazawa, Ryota Matsui, Tomohiko Kumagai, Toru Takeuchi

Journal of Structural and Construction Engineering 83 ( 750 ) 1129 - 1137 2018.8

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DOI： 10.3130/aijs.83.1129

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種々の鉄骨屋根支承部の繰返し載荷実験および屋根応答への影響 Reviewed

稲葉祐介, 寺澤友貴, 松井良太, 熊谷知彦, 竹内徹

日本建築学会構造系論文集 Vol. 83 ( No. 750 ) 1129 - 1137 2018.8

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Elasto-plastic Damper Optimization Routine for Lattice Tower Based on Generalized Response Spectrum Analysis International coauthorship International journal

Yuki Terazawa, Toru Takeuchi

Journal of IASS Vol. ( No. ) 243 - 250 2018.7

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Language：English Publishing type：Research paper (international conference proceedings)

DOI： 10.20898/j.iass.2018.198.035

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Collapse analysis of damaged space-frame gymnasiums in Kumamoto Earthquake 2016 International coauthorship International journal

Toru Takeuchi, Yuki Terazawa, Shogo Inanaga, Ryota Matsui

Vol. ( No. ) 2018.7

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Generalized Response Spectrum Analysis for Structures with Dampers Reviewed International coauthorship International journal

Yuki Terazawa, Toru Takeuchi

Earthquake Spectra Vol. ( No. ) 2018.6

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Language：English Publishing type：Research paper (scientific journal)

DOI： 10.1193/092217EQS188M

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Shake Table Testing of Steel Braced Frame Considering Member Fracture Reviewed International coauthorship International journal

Yuki Terazawa, Ryota Matsui, Toru Takeuchi

The 9th International Conference on the Behavior of Steel Structures in Seismic Areas Proceedings Vol. 763 ( No. ) 347 - 353 2018.2

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Language：English Publishing type：Research paper (international conference proceedings) Publisher：Key Engineering Materials

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Shake Table Testing of Steel Braced Frame Considering Member Fracture

Terazawa, Y., Matsui, R., Takeuchi, T.

Key Engineering Materials 763 KEM 2018

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Publishing type：Research paper (scientific journal) Publisher：Key Engineering Materials

DOI： 10.4028/www.scientific.net/KEM.763.347

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Cumulative Deformation Capacity and Structural Ductility Factor of Circular Hollow Section Steel Braced Frames with Different Diameter Thickness Ratio Reviewed

Yuki Terazawa, Ryota Matsui, Takeshi Nakamura, Toru Takeuchi

Journal of Structural and Construction Engineering (Transactions of AIJ) Vol. 82 ( No. 739 ) 1485 - 1495 2017.9

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It is concerned that a long-duration earthquake in the future generates fatigue fractures in the steel structural components. The authors have investigated the member fracture of axial members including cold-formed circular hollow sections. According to previous study of steel braced frames, it's suggested that more ductile structural components should be applied to a steel structure achieving higher seismic performance. On the other hand, it is needed to develop an aseismic design method of a steel braced frame taking member fracture into account of frequent middle or large earthquakes. In this paper, the interaction of cumulative deformation capacity between a circular hollow section brace with different diameter thickness ratio and a steel frame is investigated for extending basic knowledge of ultimate seismic resistance of steel braced frame, using finite element analysis, experiments including shaking table testing and evaluation of ductility factor.

DOI： 10.3130/aijs.82.1485

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Shake Table Testing of Steel Braced Frame considering Member Fracture Reviewed

Ryota Matsui, Yuki Terazawa, Toru Takeuchi

J. Struct. Constr. Eng., AIJ Vol. 81 ( No. 727 ) 1553 - 1563 2016.9

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 1. Introduction  The authors have proposed a method to assess the local fracture mechanism of moment frame connections and brace members under cyclic loading directly from global member results, termed the Direct Local Strain Evaluation Method. However, up to now, the accuracy of the proposed method has only been validated under static loading. This research validates the proposed method under dynamic loading with collapse tests.  2. Test Setup  A frame composed of a single bay moment frame and a concentric circular hollow section (CHS) brace was assembled for the dynamic collapse test, with LVDT strain gauges installed to monitor fracture of the brace and the beam connections. Initially quasistatic loading tests were carried out to confirm the fundamental mechanical properties of the braced frame specimens. The testing rig included an inertial mass system to simulate PΔ effects large deformation.  3. Quasistatic and Dyanamic Loading Tests on Braced Frames  The diameter-thickness ratios of CHS brace of specimens ranged from 42.3 (slender) to 11.8 (compact). In the quasistatic tests, the slender specimens failed by local buckling at the midpoint and ends of the brace member, while local buckling was not observed for the compact specimens. However, when connection fracture governed, the cumulative deformation capacity of the brace was not necessarily determined by just the diameter-to-thickness ratio. In the dynamic loading test, the slender specimens, residual story drift angle was 1/282 rad at initiation of brace fracture, 1/21 rad following fracture of the brace and 1/6 rad once the beam connection fractured.  4. Numerical Investigation on Simulation of Quasistatic Loading Tests  A series of FEM analyses were conducted in order to simulate of the quasistatic loading tests, where the member modelled with shell elements. The Direct Local Strain Evaluation Method is largely effective estimating the local strain of the brace member and at the beam connection.  5. Validity of Direct Local Strain Evaluation Method under Dynamic Loading  Numerical FEM models were also created to simulate of the dynamic loading test using stick models. The estimated initiation of local buckling was found to be more accurate using truss elements for the brace than by using bending elements. Generally, the post-brace-fracture displacements of a dual brace-moment frame system are much greater than the displacement contribution of local buckling. While local buckling can have a significant effect on the pre-brace fracture displacement, the precise instant that local buckling is initiated has a relatively small effect on the total displacement response of a frame with brace fracture. The proposed method is effectively predicted the braced frame response including the brace fracture under dynamic loading.  6. Conclusions  In summary, the following results were obtained:  1) Local buckling occurred at the midpoint and ends of the brace for slender CHS specimens, while local buckling of compact CHS specimens was not observed in the quasistatic loading tests.  2) In the dynamic loading test of the slender CHS specimens, the residual story drift angle was 1/282 rad at initiation of brace fracture, 1/21 rad following fracture of the brace and 1/6 rad once the beam connection fractured.  3) The Direct Local Strain Evaluation Method is effective in estimating the local strain of the brace member and at the beam connection.  4) The proposed method effectively predicts the braced frame response including the brace fracture under dynamic loading.

DOI： 10.3130/aijs.81.1553

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Dynamic Loading Tests and Response Evaluation of Steel Roof Bearings with Friction Dampers Reviewed

Kazuhiko Narita, Yuki Terazawa, Ko Maehara, Yuichi Matzuoka, Ryota Matsui, Toru Takeuchi

J. Struct Constr.Enj. AIJ Vol. 80 ( No. 717 ) 1717 - 1725 2015.11

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A large numbers of steel roof bearings in RC gymnasia are damaged at past earthquakes at the 2011 Tohoku Earthquake, mainly due to the out-of-plane response of cantilevered RC walls supporting the roof frame. In the conventional seismic retrofit method, bearings reinforcement with steel corner plates and replacement of all the roof braces are required, therefore uneconomical. In this paper, a detailed energy-dissipation bearing with friction dampers for steel roof reducing the response of cantilevered RC walls is fabricated and dynamic loading tests are carried out. Using the experimental results, their response reduction effect is confirmed by analytical models.

DOI： 10.3130/aijs.80.1717

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Other Link： https://jlc.jst.go.jp/DN/JLC/20017883427?from=CiNii
Damage Control of Composite Gymnasium Structures with Energy-Dissipation Roof Bearings Reviewed International coauthorship International journal

Yuki Terazawa, Toru Takeuchi, Kazuhiko Narita, Ryota Matsui, Ko Maehara

Proceedings of The 8th International Conference on Behaviour of Steel Structures in Seismic Areas Vol. ( No. ) 2015.7

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Response Control of Cantilevered RC Walls in Gymnasia with Energy-Dissipation Roof Bearings Reviewed

Kazuhiko Narita, Yuki Terazawa, Ryota Matsui, Toru Takeuchi

J. Struct Constr.Enj. AIJ Vol. 80 ( No. 707 ) 157 - 165 2015.1

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DOI： 10.3130/aijs.80.157

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Response Control of Cantilevered RC Walls in Gymnasia with Energy-Dissipation Bearings Reviewed International coauthorship International journal

Yuki Terazawa, Toru Takeuchi, Kazuhiko Narita, Ryota Matsui

Proceedings of The 5th Asia Conference on Earthquake Engineering Vol. ( No. ) 2014.10

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DOI： 10.3130/aijs.80.157

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日本鉄塔協会誌

中村毅, 寺澤友貴, 竹内徹（鋼板を接着補強した送電用山形鋼鉄塔腹材の接合部載荷実験と有限要素法解析）

2024.7

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Responsible for pages：63 - 80 Language：Japanese Book type：General book, introductory book for general audience

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From performance to presence: the dialogue between structure design and architecture design

周健, Toru Takeuchi, Yimin Guo, Yuki Terazawa

2022.4

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Responsible for pages：25 - 33 Book type：General book, introductory book for general audience

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鉄構技術

竹内徹, 寺澤友貴（ブレース材・制振部材を用いた耐震設計の考え方と最新の設計アプローチ）

鋼構造出版 2020.10

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Responsible for pages：044 - 047 Language：Japanese Book type：Scholarly book

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鉄構技術

竹内徹, 寺澤友貴（ブレース材・制振部材を用いた耐震設計の考え方と最新の設計アプローチ）

鋼構造出版 2020.10

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Responsible for pages：044 - 047 Language：Japanese Book type：Scholarly book

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Recent Advances in Analysis, Design and Construction of Shell & Spatial Structures in the Asia-Pacific Region

J.Yuen, H.C.Chew, S.L.Chan, T.Kimura, H.Y.Wan, J.Wu, S.Inanaga, T.Takeuchi, Y.Terazawa, R.Matsui（Recent Advances in Analysis, Design and Construction of Shell & Spatial Structures in the Asia-Pacific Region）

Taylor & Francis 2019.12

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MISC

Development and Verification of Experimental System for Real-size Seismic Isolator Excluding Friction and Inertia Force Under High Axial Load-Part12: Reduced-size Mock-up Experiment: Hybrid Simulation Demonstration-

上田知弥, 高橋良和, 植村佳大, 竹内徹, 寺澤友貴, 梅村幸央

日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM) 2023 2023

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J-GLOBAL

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Deformation Capacity of Dog Bone Timber-steel Hybrid Connections with Both Side Flanges Fixed by Lag Screws-Part1: Bending tests on reduced specimens of proposed connections and proposal of evaluation method for timber-steel connections-

斉藤瞭, 原田公明, 寺澤友貴, 水谷美和, 重松瑞樹, 山崎義弘, 林賢一, 坂田弘安, 竹内徹

日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM) 2021 2021

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Deformation Capacity of Dog Bone Timber-steel Hybrid Connections with Both Side Flanges Fixed by Lag Screws-Part2: Evaluation of deformation capacity of standard connections using finite element method-

小室翔吾, 斉藤瞭, 寺澤友貴, 原田公明, 水谷美和, 山崎義弘, 林賢一, 坂田弘安, 竹内徹

日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM) 2021 2021

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22592 ドッグボーン部を有する木鋼ハイブリッド柱梁接合部の繰返し変形性能

斉藤瞭, 原田公明, 宮﨑崇, 水谷美和, 重松瑞樹, 中島舜, 山崎義弘, 寺澤友貴, 坂田弘安, 竹内徹

構造III ( 2019 ) 1183 - 1184 2019.7

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22596 Seismic Performance Assessment for Steel Frames Considering Fracture of Braces and Beams : Part 1 Analysis Method and Frame Behavior after Member Fracture

TERAZAWA Yuki, URUI Syunji, MATSUI Ryota, TAKEUCHI Toru

Summaries of technical papers of annual meeting 2015 1191 - 1192 2015.9

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20438 Response Control of Cantilevered RC Walls in Gymnasium with Energy-dissipation Bearings

TERAZAWA Yuki, TAKEUCHI Toru, NARITA Kazuhiko, MATSUI Ryota

Summaries of technical papers of annual meeting 2014 875 - 876 2014.9

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繰返し曲げを受ける二辺固定二辺自由支持平板の極低サイクル疲労破壊評価ーその1 二辺固定二辺自由支持平板の繰返し曲げ実験の概要と結果分析ー

伊藤大悟, 寺澤友貴, 竹内徹

日本建築学会大会 2024.7

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Venue：東京

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繰返し曲げを受ける二辺固定二辺自由支持平板の極低サイクル疲労破壊評価 ―その2 塑性ヒンジ理論またはVGM を用いた極低サイクル疲労破壊評価法の適用性―

濱大貴, 寺澤友貴, 竹内徹, 伊藤大悟

日本建築学会大会 2024.7

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Venue：東京

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塔状鋼構造物における細長比の小さな円形鋼管部材の座屈履歴性状と累積変形性能－その4 応力状態を考慮した円形鋼管部材の破壊メカニズムの分析－

安井佐予, 荻原実, 小中孔明, 廣谷直也, 渡辺美雪, 竹内徹, 寺澤友貴

日本建築学会大会 2024.7

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Venue：東京

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学校体育館を模擬した支持架構付き屋根型円筒アーチの縮小振動台実験その5 多重TMDの設計および実験概要

鈴木寛人, 黒﨑竣, 髙橋陽, 藤井暁大, 熊谷知彦, 山口悠黎, 寺澤友貴, 竹内徹, 山下哲郎, 西村康志郎, Sujan Pradhan, 藤原淳

日本建築学会大会 2024.7

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固定荷重と地震荷重に対する総歪エネルギーのトレードオフ関係に着目したグリッドシェル構造の構造形態創生 ―その2 支持架構による影響と最適屋根形状の座屈特性―

金子亮太, 寺澤友貴, 竹内徹

日本建築学会大会 2024.7

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Venue：東京

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固定荷重と地震荷重に対する総歪エネルギーのトレードオフ関係に着目したグリッドシェル構造の構造形態創生 ―その1 構造形態創生手法と地震荷重レベルによる影響―

白井健志, 金子亮太, 寺澤友貴, 竹内徹

日本建築学会大会 2024.7

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学校体育館を模擬した支持架構付き屋根型円筒アーチの縮小振動台実験－その2 弾性応答実験－

平野大地, 寺澤友貴, 山口悠黎, 竹内徹, 熊谷知彦, 山下哲郎, 西村康志郎, Sujan Pradhan, 藤原淳

日本建築学会大会 2024.7

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塔状鋼構造物における細長比の小さな円形鋼管部材の座屈履歴性状と累積変形性能－その2 座屈後履歴則の適用性の検証と適用拡大－

吉野志哉, 廣谷直也, 荻原実, 小中孔明, 渡辺美雪, 竹内徹, 寺澤友貴, 安井佐予

日本建築学会大会 2024.7

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Venue：東京

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学校体育館を模擬した支持架構付き屋根型円筒アーチの縮小振動台実験その6 多重TMDによる応答低減効果および再現解析

髙橋陽, 黒﨑竣, 藤井暁大, 熊谷知彦, 山口悠黎, 寺澤友貴, 竹内徹, 山下哲郎, 西村康志郎, Sujan Pradhan, 藤原淳

日本建築学会大会 2024.7

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線形粘性ダンパー付並列連層耐震架構を用いた超高層建物の最適応答制御 ―その2 非一様配置の動的応答特性と最適ダンパー設計法―

田中瑞希, 寺澤友貴, 竹内徹

日本建築学会大会 2024.7

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線形粘性ダンパー付並列連層耐震架構を用いた超高層建物の最適応答制御 ―その1 一様配置の動的応答特性―

池田理央, 田中瑞希, 寺澤友貴, 竹内徹

日本建築学会大会 2024.7

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学校体育館を模擬した支持架構付き屋根型円筒アーチの縮小振動台実験ーその4 屋根崩壊実験ー

山口悠黎, 寺澤友貴, 竹内徹, 熊谷知彦, 山下哲郎, 西村康志郎, Sujan Pradhan, 藤原淳

日本建築学会大会 2024.7

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学校体育館を模擬した支持架構付き屋根型円筒アーチの縮小振動台実験ーその3 屋根応答制御実験ー

四條春奈, 寺澤友貴, 山口悠黎, 竹内徹, 熊谷知彦, 山下哲郎, 西村康志郎, Sujan Pradhan, 藤原淳

日本建築学会大会 2024.7

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塔状鋼構造物における細長比の小さな円形鋼管部材の座屈履歴性状と累積変形性能－その3 塑性ヒンジ理論に基づく亀裂発生時期評価法の適用性検証－

小中孔明, 安井佐予, 荻原実, 廣谷直也, 渡辺美雪, 竹内徹, 寺澤友貴, 吉野志哉

日本建築学会大会 2024.7

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塔状鋼構造物における細長比の小さな円形鋼管部材の座屈履歴性状と累積変形性能－その1 細長比の小さな円形鋼管部材の繰返し載荷実験－

廣谷直也, 安井佐予, 荻原実, 小中孔明, 渡辺美雪, 竹内徹, 寺澤友貴

日本建築学会大会 2024.7

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高鉛直荷重下の水平荷重測定において摩擦力と慣性力から解放された実大動的免震実験装置の開発と実現 ―その11 小型パイロット試験：天然ゴム系積層ゴムの動的応答特性(φ300)―

竹内徹, 吉敷祥一, 寺澤友貴, 梅村幸央, 黒澤未來

2023.8

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Seismic Retrofit for Angle Brace Connections of Transmission Tower using Steel Plate Adhesive Bonding

Takeshi Nakamura, Yuki Terazawa, Toru Takeuchi

2023.8

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同調粘性マスダンパーを用いた超高層建物の曲げ応答制御に関するフィジビリティスタディーその1 数値解析モデルと各種検討パラメータが応答制御効果に与える影響ー

池田理央, 寺澤友貴, 竹内徹, 宇田川貴章, 樫本信隆, 中津有紀子,

2023.7

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高鉛直荷重下の水平荷重測定において摩擦力と慣性力から解放された実大動的免震実験装置の開発と実現その8 小型パイロット試験：試験装置概要および動的載荷試験計画

梅村幸央, 竹内徹, 寺澤友貴, 大村広輝, 市橋啓太

2023.7

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同調粘性マスダンパーを用いた超高層建物の曲げ応答制御に関するフィジビリティスタディ ―その2 ダンパー周辺の納まりと費用に基づく実現可能性評価―

宇田川貴章, 樫本信隆, 中津有紀子, 寺澤友貴, 池田理央, 竹内徹,

2023.7

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高鉛直荷重下の水平荷重測定において摩擦力と慣性力から解放された実大動的免震実験装置の開発と実現 ―その10 小型パイロット試験：精度検証実験―

金子亮太, 梅村幸央, 寺澤友貴, 竹内徹,

2023.7

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高鉛直荷重下の水平荷重測定において摩擦力と慣性力から解放された実大動的免震実験装置の開発と実現 ―その 9 小型パイロット試験:動的載荷試験結果―

伊藤大悟, 寺澤友貴, 梅村幸央, 竹内徹,

2023.7

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補強鋼板を接着付加した送電用山形鋼鉄塔腹材接合部の引張耐力

中村毅, 寺澤友貴, 竹内徹,

2023.7

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鋼柱ロードセル計測器を用いた構造部材の高精度試験機の研究ーその1 積層ゴム支承の動的載荷実験ー

安井佐予, 竹内徹, 笠井和彦, 梅村幸央, 寺澤友貴, 牟雨,

2023.7

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システムトラス屋根構造支承部のアンカーボルトの応力に関する研究

西島峻耶, 山下哲郎, 竹内徹, 寺澤友貴,

2023.7

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1次モード減衰比の最大化に着目した非線形ダンパー付多層アウトリガー構造の最適応答制御ーその2 多層アウトリガー構造の動的応答特性と最適設計ー

大村広輝, 寺澤友貴, 竹内徹,

2023.7

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保有水平耐力計算法に基づく一層支持架構付きラチスドーム屋根の構造特性係数評価

四條春奈, 寺澤友貴, 竹内徹, 熊谷知彦,

2023.7

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1次モード減衰比の最大化に着目した非線形ダンパー付多層アウトリガー構造の最適応答制御ーその1 二層アウトリガー構造の動的応答特性ー

田中瑞希, 大村広輝, 寺澤友貴, 竹内徹,

2023.7

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高鉛直荷重下の水平荷重測定において摩擦力と慣性力から解放された実大動的免震実験装置の開発と実現その12 小型パイロット試験：ハイブリッドシミュレーション

上田知弥, 高橋良和, 植村佳大, 竹内徹, 寺澤友貴, 梅村幸央,

2023.7

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鉄骨置き屋根支承部の縮小切り出し模型の振動台実験 -その6 応答評価法の妥当性検証-

新美敦也, 西川幸希, 寺澤友貴, 竹内徹, 藤原淳, 岸田明子, 小西克尚, 山下哲郎, 西村康志郎

2021.9

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鉄骨置き屋根支承部の縮小切り出し模型の振動台実験 -その5 RC片持架構の構面外応答制御設計法および応答評価法の提案-

西川幸希, 寺澤友貴, 竹内徹, 藤原淳, 岸田明子, 小西克尚, 山下哲郎, 西村康志郎

2021.9

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地震入力レベルとダンパーの非線形性が単層アウトリガー構造の動的応答特性に与える影響

大村広輝, 寺澤友貴, 竹内徹, 浅井智樹

2021.8

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両側フランジをラグスクリューで固定したドッグボーン付き木鋼ハイブリッド柱梁接合部の変形性能その1 提案接合部の縮小試験体に対する曲げ実験および木鋼接合部評価手法の提案

斉藤瞭, 原田公明, 寺澤友貴, 水谷美和, 重松瑞樹, 山崎義弘, 林賢一, 坂田弘安, 竹内徹

2021.8

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下部構造に設置されたTMDによる下部構造質量の異なる屋根型円筒ラチスシェルの地震応答低減

秦克郁, 西村瞬, 中野雄介, 熊谷知彦, 寺澤友貴, 竹内徹, 曹淼

2021.8

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1次モード減衰比に着目した線形粘性ダンパー付複層アウトリガー構造の最適応答制御その1 数値解析モデルと固有振動特性

田中陽樹, 浅井智樹, 寺澤友貴, 竹内徹

2021.8

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1次モード減衰比に着目した線形粘性ダンパー付複層アウトリガー構造の最適応答制御その2 地震応答と最適設計手法

浅井智樹, 寺澤友貴, 竹内徹

2021.8

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支持架構の高次モード応答を考慮した中大規模ラチスドームの地震応答評価

市橋啓太, 寺澤友貴, NairDeepshikha, 竹内徹

2021.8

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鉄骨置き屋根支承部の縮小切り出し模型の振動台実験その3： RC片持架構を下部構造とする振動台実験の計画

藤原淳, 岸田明子, 寺澤友貴, 竹内徹, 西村康志郎, 山下哲郎, 小西克尚, 岸澤竜之介, 西川幸希, 梶原僚太

2021.8

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接合部回転剛性を考慮したシステムトラス部材の全体座屈耐力評価その1 接合部曲げ実験と静的および動的ユニット座屈実験

岸澤竜之介, 寺澤友貴, 竹内徹, 熊谷知彦, 曹淼

2021.8

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接合部回転剛性を考慮したシステムトラス部材の全体座屈耐力評価その2 接合部回転剛性と全体座屈荷重の評価

周磨幸一, 岸澤竜之介, 寺澤友貴, 竹内徹, 熊谷知彦, 曹淼

2021.8

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両側フランジをラグスクリューで固定したドッグボーン付き木鋼ハイブリッド柱梁接合部の変形性能その2 有限要素法を用いた標準接合部の変形性能評価

小室翔吾, 斉藤瞭, 原田公明, 寺澤友貴, 水谷美和, 重松瑞樹, 山崎義弘, 林賢一, 坂田弘安, 竹内徹

2021.8

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一般化応答スペクトル解析法を用いた免震建物の地震応答評価 -その2 下部構造に制振部材を有する中間層免震・屋根免震ドームの設計-

浅井智樹, 佐野航, 寺澤友貴, 竹内徹

2020.9

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Investigating composite behavior between RC and closed steel frames for the seismic retrofit of multi-story RC buildings using buckling restrained braces

Panumas Saingam, Sutcu Fatih, Yuki Terazawa, Kazuhiko Fujishita, Pao-Chun Lin, Oguz C. Celik, Toru Takeuchi, Yuki Terazawa

2020.9

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一般化応答スペクトル解析法に基づく大空間構造物の座屈拘束ブレース最適設計－その2 ダンパー鋼材量を考慮したBRB最適設計－

藤島美穂, 寺澤友貴, 森雄矢, 竹内徹

2020.9

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400m級の超高層ビルに対する外殻制振構造の適用その4 一般化応答スペクトル解析法に基づく最適なスリット高さとオイルダンパー容量分布

田中陽樹, 寺澤友貴, 石橋洋二, 竹内徹

2020.9

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格子母屋を用いた大梁付ラチスドームの座屈耐力

周磨幸一, 寺澤友貴, 岩永将信, 前原智, 竹内徹

2020.9

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鉄骨置き屋根支承部の縮小切り出し模型の振動台実験その2：支承部に作用する水平荷重の計測方法の比較検討

藤原淳, 竹内徹, 寺澤友貴, 岸澤竜之介, 西川幸希, 山下哲郎, 西村康志郎, 梶原僚太, 小西克尚, 綿貫雄太

2020.9

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一般化応答スペクトル解析法に基づく大空間構造物の座屈拘束ブレース最適設計－その1 解析モデルとBRBの最適容量分布－

Nair Deepshikha, 藤島美穂, 寺澤友貴, 森雄矢, 竹内徹

2020.9

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システムトラスの接合部曲げ実験及びユニット座屈実験

岸澤竜之介, 寺澤友貴, 竹内徹, 熊谷知彦, 曹淼

2020.9

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Investigating composite behavior between RC and closed steel frames for the seismic retrofit of multi-story RC buildings using buckling restrained braces

Panumas Saingam, Sutcu Fatih, Yuki Terazawa, Kazuhiko Fujishita, Pao-Chun Lin, Oguz C. Celik, Toru Takeuchi, Yuki Terazawa

2020.9

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Investigating composite behavior between RC and closed steel frames for the seismic retrofit of multi-story RC buildings using buckling restrained braces

Panumas Saingam, Sutcu Fatih, Yuki Terazawa, Kazuhiko Fujishita, Pao-Chun Lin, Oguz C. Celik, Toru Takeuchi, Yuki Terazawa

2020.9

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一般化応答スペクトル解析法を用いた免震建物の地震応答評価 -その1 一般化応答スペクトル解析法の拡張および設計法の提案-

佐野航, 寺澤友貴, 竹内徹

2020.9

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初期張力材付座屈拘束ブレースの繰返し載荷実験および鉄骨架構の応答制御その1 繰返し載荷実験と再現解析

稲永匠吾, Kurtulus Atasever, 寺澤友貴, Oguz C. Celik, 竹内徹

2020.9

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初期張力材付座屈拘束ブレースの繰返し載荷実験および鉄骨架構の応答制御その2 鉄骨架構の応答制御

西川幸希, 稲永匠吾, Kurtulus Atasever, 寺澤友貴, Oguz C. Celik, 竹内徹

2020.9

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鉄骨置き屋根支承部の縮小切り出し模型の振動台実験その1：予備実験概要と支承部の水平荷重－水平変位関係

岸田明子, 竹内徹, 寺澤友貴, 岸澤竜之介, 西川幸希, 山下哲郎, 西村康志郎, 梶原僚太, 小西克尚, 綿貫雄太

2020.9

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下部構造に設置されたTMDによる屋根型円筒ラチスシェルの地震応答低減

秦克郁, 西村瞬, 熊谷知彦, 寺澤友貴, 竹内徹

2020.9

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異なる耐震設計法を用いた鉄骨置屋根体育館における屋根トラス部材の損傷評価

岸澤竜之介, 寺澤友貴, 松井良太, 竹内徹, 実石明, 小西克尚, 山田哲, 山下哲郎, 石原直, 長谷川隆

日本建築学会大会 2019.9

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Venue：石川県

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粘性ダンパー付単層アウトリガー構造の地震応答制御に寄与する設計変数の最適値

浅井智樹, 寺澤友貴, 竹内徹

日本建築学会大会 2019.9

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Venue：石川県

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Seismic Response of Long-span Domes Supported by Multi-Storey Substructures Part I Response characteristics

Miho Fujishima, Deepshikha Nair, Toru Takeuchi, Yuki Terazawa

日本建築学会大会 2019.9

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Event date： 2019.9

Language：English Presentation type：Oral presentation (general)

Venue：石川県

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ドッグボーン部を有する木鋼ハイブリッド柱梁接合部の繰返し変形性能

斉藤瞭, 原田公明, 宮?崇, 水谷美和, 重松瑞樹, 中島舜, 山崎義弘, 寺澤友貴, 坂田弘安, 竹内徹

日本建築学会大会 2019.9

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Event date： 2019.9

Language：Japanese Presentation type：Oral presentation (general)

Venue：石川県

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接合部回転剛性を考慮した木鋼ハイブリッドラチスシェルの弾性座屈荷重その3 接合部の面内方向の回転剛性を考慮した弾性座屈荷重の評価手法

寺澤友貴, 中島舜, 竹内徹, 小河利行, 山崎義弘, 坂田弘安

日本建築学会大会 2019.9

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Event date： 2019.9

Language：Japanese Presentation type：Oral presentation (general)

Venue：石川県

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Seismic Response of Long-span Domes Supported by Multi-Storey Substructures Part II Equivalent static loads for design

Deepshikha Nair, Toru Takeuchi, Yuki Terazawa

日本建築学会大会 2019.9

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Event date： 2019.9

Language：English Presentation type：Oral presentation (general)

Venue：石川県

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Seismic damage evaluation of space frame gymnasium Roofs with RC substructures

Shogo Inanaga, Yuki Terazawa, Ryota Matsui, Toru Takeuchi, 実石明, Yoshinao Konishi, Tetsuro Yamashita, Satoshi YAMADA, Tadashi Ishihara, Takashi Hasegawa

2018.9

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Language：Japanese Presentation type：Oral presentation (general)

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Cumulative Deformation Capacity and Structural Ductility Factor of Circular Hollow Section Steel Braced Frames with Different Diameter Thickness Ratio - Part 1 Comparison of the Cumulative Deformation Capacity and Dynamic Fracture Characteristic of Shake Table Testing -

Takeshi Nakamura, Yuki Terazawa, Ryota Matsui, Toru Takeuchi

2017.8

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Event date： 2017.8 - 2017.9

Language：Japanese Presentation type：Oral presentation (general)

Venue：Chugoku

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Cumulative Deformation Capacity and Structural Ductility Factor of Circular Hollow Section Steel Braced Frames with Different Diameter Thickness Ratio - Part 2 Margin of Safety of Structural Ductility Factors of Circular Hollow Section Steel Braced Frames -

Yuki Terazawa, Ryota Matsui, Toru Takeuchi

2017.8

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Event date： 2017.8 - 2017.9

Language：Japanese Presentation type：Oral presentation (general)

Venue：Chugoku

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部材破断を考慮したブレース付鋼構造骨組の振動台実験その1 倒壊挙動の分析と動的入力を含めた部材破断時期評価法の精度検証

寺澤友貴, 松井良太, 竹内徹

2016年度日本建築学会大会(九州) 2016.8

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Event date： 2016.8

Language：Japanese Presentation type：Oral presentation (general)

Venue：九州

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鋼構造骨組に挿入された円形鋼管ブレースの径厚比と累積変形性能

中村毅, 寺澤友貴, 松井良太, 竹内徹

2016年度日本建築学会大会(九州) 2016.8

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Event date： 2016.8

Language：Japanese Presentation type：Oral presentation (general)

Venue：九州

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部材破断を考慮したブレース付鋼構造骨組の振動台実験その2 数値解析を用いた実験結果の再現性の検証

松井良太, 寺澤友貴, 竹内徹

2016年度日本建築学会大会(九州) 2016.8

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Event date： 2016.8

Language：Japanese Presentation type：Oral presentation (general)

Venue：九州

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RC片持ち架構を有する鉄骨置き屋根体育館屋根支承部の耐震設計

成田和彦, 寺澤友貴, 竹内徹, 前原航, 松井良太

2016年度日本建築学会大会(九州) 2016.8

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Event date： 2016.8

Language：Japanese Presentation type：Oral presentation (general)

Venue：九州

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ブレースおよび梁端部破断を考慮した鋼構造骨組の耐震性能その1 解析概要および部材破断後の骨組挙動

寺澤友貴, 松井良太, 潤井駿司, 竹内徹

2015年度日本建築学会大会(関東) 2015.9

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Event date： 2015.9

Language：Japanese Presentation type：Oral presentation (general)

Venue：関東

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Response Control of Cantilevered RC Walls in Gymnasium with Energy-dissipation Bearings

Yuki Terazawa, Kazuhiko Narita, Toru Takeuchi, Ryota Matsui

2014.9

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Event date： 2014.9

Language：Japanese Presentation type：Oral presentation (general)

Venue：Kinki

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Awards

2025年度技術功績賞

2025.6 日本鉄塔協会

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環境・社会理工学院若手研究奨励賞

2023.12 東京工業大学

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2020年度日本建築学会奨励賞

2020.9 日本建築学会一般化応答スペクトル解析法に基づく制振ブレース構造の最適設計手法

寺澤友貴

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2018 Hangai Prize

2018.7 International Association for Shell and Spatial structures Elasto-plastic damper optimization routine for lattice towers based on generalized response specturm analysis

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2016年度日本建築学会優秀修士論文賞

2016.9 日本建築学会部材破断を考慮したブレース付鋼構造骨組の累積変形性能および動的応答特性

寺澤友貴

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Research Projects

Verification of the Feasibility Conditions and Establishment of a Practical Engineering Design Method for Small- to Medium-Scale Spatial Structures Using Full-Culm Bamboo as Structural Members

Grant number：26K01092 2026.4 - 2030.3

Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

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Grant amount：\18460000 （ Direct Cost: \14200000 、 Indirect Cost：\4260000 ）

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耐震最適化と有限要素法解析を融合した日本の座屈拘束ブレースの終局性能評価法の開発

Grant number：24K01022 2024.4 - 2027.3

日本学術振興会科学研究費助成事業基盤研究(B)

寺澤友貴, 竹内徹

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Grant amount：\18590000 （ Direct Cost: \14300000 、 Indirect Cost：\4290000 ）

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Advanced Damage Control Technology in Large Spatial Structures

Grant number：21H04581 2021.4 - 2025.3

Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A) Grant-in-Aid for Scientific Research (A)

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Grant amount：\40170000 （ Direct Cost: \30900000 、 Indirect Cost：\9270000 ）

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超超高層建物の最適地震応答制御に用いる長尺のブレース部材の必要構造性能の解明

Grant number：21K14288 2021.4 - 2024.3

日本学術振興会科学研究費助成事業若手研究若手研究

寺澤友貴

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Grant amount：\4680000 （ Direct Cost: \3600000 、 Indirect Cost：\1080000 ）

令和3年度においては，研究目的と研究実施計画で示していた外殻構造に適用する長尺のブレース部材の最適な組み合わせ検討を行った。具体的には応募者が独自開発した一般化応答スペクトル解析法とスーパーコンピュータを用いて，長尺の耐震ブレースと座屈拘束ブレースおよびオイルダンパーの配置と容量の組合せを網羅的に探索し，最適化された外殻構造の地震応答低減効果と，長尺の各ブレースが達成する必要がある構造性能(部材全体の塑性率，芯材の弾性部と塑性部の長さ比・断面積比など)の統計情報を整備した。この検討では，可能な限り超高層建物の建築計画の実情を反映するため，対象建物は東京駅前で進行中の実プロジェクトを模擬した超超高層建物を模擬した立体モデルだけでなく，典型的な架構規模を有する典型的な超超高層建物の2種類を検討し，一般性のある知見を得るように務めた。また，対象とする地震応答制御構造は外殻構造だけでなく国外で主流のアウトリガー構造等も網羅的に含むこととし，その性能比較に必要な知見の収集に務めた。検討の結果，アウトリガー構造が1次振動モードに特化して地震応答の制御効果が高い一方で，外殻構造は高次モード振動にも有効であることが分かった。また，日本都市部の不動産開発で好まれる建物規模では，アウトリガー構造は曲げ剛性の確保が難しく一般的に知られている性能より劣化していしまうため，外殻構造の方が望ましいことが判明した。昨年度までの具体的な成果は，日本建築学会構造系論文集に3編(1編掲載済み，2編投稿中)，海外論文誌に2編掲載済みである。令和3年度の研究計画で予定していた範囲を大幅に超える成果を得ることができ，また長尺の座屈拘束ブレースに必要な長さ性能等もおおよその目処がついたため，今後は元の計画に修正を加えて最終年度に向けて研究を進める予定である。

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400m 級アウトリガー構造および外殻構造のオイルダンパー最適配置・容量分布に関する研究

2019.4 - 2020.3

一般社団法人日本免震構造協会 2019年度「免震構造・制振構造に関わる研究助成」

寺澤友貴

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Authorship：Principal investigator

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鉄骨置屋根体育館の立体トラスの地震被害原因の一般化と改修に関する基礎研究

2018.4 - 2020.3

一般社団法人日本鋼構造協会 2018年度鋼構造研究助成事業

寺澤友貴

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Authorship：Principal investigator

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南海トラフ等巨大地震によるブレース破断を考慮した鋼構造物耐震性能評価法の構築

Grant number：16J04303 2016.4 - 2019.3

日本学術振興会科学研究費助成事業特別研究員奨励費特別研究員奨励費

寺澤友貴

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Grant amount：\2500000 （ Direct Cost: \2500000 ）

本年度はH30年の研究実施計画通り，学位論文のとりまとめと審査論文の投稿を中心に研究を遂行した。研究成果は，米国地震工学会の論文集に1編，国際シェル空間構造学会の論文集に1編，日本建築学会の論文集に1編ずつ採用・掲載された。また，国際シェル空間構造学会においては，投稿論文が論文賞(Hangai賞)として表彰され，7月に米国ボストンで開催された年次大会で招待講演を行った。

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