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  1. 防災科研関係論文

Full-scale cyclic test of a Japanese post and beam wood shearwall assembly

https://nied-repo.bosai.go.jp/records/6698
https://nied-repo.bosai.go.jp/records/6698
a5716d5a-6022-4077-8b2d-d7b761df0121
Item type researchmap(1)
公開日 2024-07-22
タイトル
言語 en
タイトル Full-scale cyclic test of a Japanese post and beam wood shearwall assembly
言語
言語 eng
著者 Cem Yenidogan

× Cem Yenidogan

en Cem Yenidogan

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Ryota Nishi

× Ryota Nishi

en Ryota Nishi

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Takuya Nagae

× Takuya Nagae

en Takuya Nagae

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Takahiro Inoue

× Takahiro Inoue

en Takahiro Inoue

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Koichi Kajiwara

× Koichi Kajiwara

en Koichi Kajiwara

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抄録
内容記述タイプ Other
内容記述 This paper describes the full-scale test program of a code-conforming Post and Beam shearwall system conducted in a curtain wall test facility. The two-story test specimen is taken from a slice of index full-scale test structure to represent the first-mode dominant response properties. The design of the full-scale index building was carried out following the code requirements of wood buildings classified equal to or higher than the Grade-2 index buildings regarding the seismic grading scheme. The test program was not only aimed to provide an in-depth understanding of the seismic response characteristics of the shear wall assembly under cyclic deterioration but also contributed to developing reliable numerical models during the preliminary design phase of the 2019 full-scale shake table test program of the Tokyo Metropolitan Earthquake Resiliency Project. Moreover, the effectiveness of the instrumentation scheme to trace the distinct damage states and identification of the failure mechanism was examined using the advantages of full-scale testing. A novel cyclic loading test protocol was systematically applied to the shearwall assembly to capture the progressive damage starting from the initiation of elastic deformations to the near-collapse limit state. Shearwall assembly was tested until reaching the 1/21?rad interstory drift angle to determine the failure criterion of the shear wall assembly. Applied test procedure using a curtain wall test rig is useful and cost-effective for testing two different forms of systems to establish the damage pattern and deterioration characteristics of structural systems rather than only performing conventional tests for a particular structural system. At the end of the test sequence, gypsum wallboards were fallen apart due to the detachment of nails and out-of-plane buckling failure of diagonally brace. A numerical model incorporating negative stiffness branch in the backbone curve and all significant modes of cyclic deterioration of the P & B shearwall assembly is generated based on the energy-based hysteretic model. The generated numerical model and the test results were found compatible as a result of sensitivity analyses.
言語 en
書誌情報 en : Bulletin of Earthquake Engineering

巻 18, 号 10, p. 4985-5008, 発行日 2020-08-01
出版者
言語 en
出版者 Springer
ISSN
収録物識別子タイプ ISSN
収録物識別子 1573-1456
DOI
関連識別子 10.1007/s10518-020-00860-w
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