文章基本信息

标题：A Simple Analysis Method for Estimation of Required Damping Ratio for Seismic Response Reduction
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作者：Hyeong-Gook Kim ; Kil-Hee Kim
期刊名称：Journal of Asian Architecture and Building Engineering
印刷版ISSN：1346-7581
电子版ISSN：1347-2852
出版年度：2018
卷号：17
期号：3
页码：465-472
DOI：10.3130/jaabe.17.465
语种：English
出版社：日本建築学会、大韓建築学会、中国建築学会
摘要：This paper proposes a simple analysis method to estimate the additional damping ratio required to achieve a target seismic performance level. The proposed method employs the Newmark and Hall′s design response spectrum and the simple version of the N2 method. With the help of combining the characteristic of the two methods, it is possible to approximately estimate additional damping ratios required to achieve target elastic or inelastic seismic responses of a building structure without iteration. To examine the validity and effective range of the proposed method, time history response analysis is conducted, and the results are compared with those of a numerical analysis in which the post-yield stiffness ratio is considered. The analytical results show that the post-yield stiffness ratio and the yield displacement are important factors that affect the validity of the proposed analysis method; it is also found that the proposed simple analysis procedure may be quite efficient in evaluating the performance point and the damping requirements for seismic response reduction of building structures.
关键词：seismic response reduction;capacity spectrum method;post yield stiffness ratio;ductility ratio;damping requirement