Response reduction factor of irregular RC buildings in Kathmandu valley

被引:0
作者
Hemchandra Chaulagain
Hugo Rodrigues
Enrico Spacone
Ramesh Guragain
Radhakrishna Mallik
Humberto Varum
机构
[1] University of Aveiro,Civil Engineering Department
[2] Polytechnic Institiute of Leiria,School of Technology and Management
[3] University of Chieti-Pescara,Department PRICOS
[4] National Society for Earthquake Technology, Architettura
来源
Earthquake Engineering and Engineering Vibration | 2014年 / 13卷
关键词
RC buildings; pushover analysis; ductility reduction factor; overstrength; response reduction factor;
D O I
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中图分类号
学科分类号
摘要
Most current seismic design includes the nonlinear response of a structure through a response reduction factor (R). This allows the designer to use a linear elastic force-based approach while accounting for nonlinear behavior and deformation limits. In fact, the response reduction factor is used in modern seismic codes to scale down the elastic response of a structure. This study focuses on estimating the actual ‘R’ value for engineered design/construction of reinforced concrete (RC) buildings in Kathmandu valley. The ductility and overstrength of representative RC buildings in Kathmandu are investigated. Nonlinear pushover analysis was performed on structural models in order to evaluate the seismic performance of buildings. Twelve representative engineered irregular buildings with a variety of characteristics located in the Kathmandu valley were selected and studied. Furthermore, the effects of overstrength on the ductility factor, beam column capacity ratio on the building ductility, and load path on the response reduction factor, are examined. Finally, the results are further analyzed and compared with different structural parameters of the buildings.
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页码:455 / 470
页数:15
相关论文
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