Response reduction factor of irregular RC buildings in Kathmandu valley

查看全文 作　　者：Hemchandra [1]Chaulagain;Hugo [2]Rodrigues;Enrico [3]Spacone;Ramesh [4]Guragain;Radhakrishna [4]Mallik;Humberto [1]Varum

机构地区：[1]Civil Engineering Department, University of Aveiro, 3810-193 Aveiro, Portugal;[2]School of Technology and Management, Polytechnic Institiute of Leiria, 2411-901 Leiria, Portugal;[3]University of Chieti-Pescara, Department PRICOS-Architettura, 65127 Pescara, Italy;[4]National Society for Earthquake Technology, Nepal

出　　处：《Earthquake Engineering and Engineering Vibration》索引2014年第13卷第3期,共16页

基　　金：supported by the Eurasian University Network for International Cooperation in Earthquake (EU-NICE) 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. 关键词：混凝土建筑物钢筋混凝土折减系数谷地非线性响应静力弹塑性分析建筑工程设计结构模型

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Response reduction factor of irregular RC buildings in Kathmandu valley

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