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Title: せん断変形と偏心曲げモーメントを受ける免震積層ゴムの力学挙動解析
Other Titles: A New Analytical Model For Seismic Isolation Bearings Subject To Eccentric Bending Moments And Shear Deformation
Authors: 石井, 建1 Browse this author
菊地, 優2 Browse this author →KAKEN DB
北村, 佳久3 Browse this author
仲村, 崇仁4 Browse this author
Authors(alt): Ishii, Ken1
Kikuchi, Masaru2
Kitamura, Yoshihisa3
Nakamura, Takahito4
Keywords: Seismic isolation
Rubber bearings
Rotational Stiffness
Non-linear hysteresis model
Issue Date: Jan-2010
Publisher: 日本建築学会
Journal Title: 日本建築学会構造系論文集
Volume: 75
Issue: 647
Start Page: 87
End Page: 93
Publisher DOI: 10.3130/aijs.75.87
Abstract: This paper presents a new analytical model for predicting the behavior of elastomeric seismic isolation bearings subject to combined eccentric bending moments and shear deformation. The mechanical model consists of a series of axial springs at the top, mid-height and bottom of the isolator. The model can account for end rotations of the isolator, and the overall isolator rotational stiffness can include the influence of the variation of vertical load on the isolator and the imposed shear deformation. To identify the mechanical characteristics of isolators, static bending tests under various combinations of vertical load and shear deformation were performed. The results of analyses using the new model show very good agreement with experimental observations.
Rights: 日本建築学会
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 菊地 優

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