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| Pushover analysis of 3D eccentric structures |
| Revised:August 26, 2003 |
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| DOI：10.7511/jslx20055105 |
| KeyWord:pushover analysis,load pattern,eccentric buildings,time-history analysis |
| LI Gang~* LIU Yong |
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| Abstract: |
| Pushover analysis has caused much interest in the field of earthquake engineering,and it is suggested as a nonlinear analysis method of the structural deformation under severe earthquake in the new seismic design code in China.Structural irregularity is one important factor that affects the application of pushover method,and selecting an appropriate load patterns is very important in pushover analysis.In the present paper,the pushover analysis of two typical eccentric 3D building structures is studied considering 3 common load patterns suggested by FEMA 273,using ETABS program.The results by pushover analysis are compared with those by nonlinear time history analysis,and some suggestions on the selection of load patterns for eccentric structures are given. |
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