- Volume 5 Issue 6
Evaluation of Nonlinear Seismic Performance Using Equivalent Responses of Multistory Building Structures
대표응답을 이용한 건축구조물의 비선형 지진응답 분석 및 내진성능평가
- 이동근 (성균관대학교 건축공학과) ;
- 최원호 (성균관대학교 건축공학과)
- Published : 2001.12.01
Determination of ductility demand and prediction of nonlinear seismic responses of a structure under the earthquake ground motions have become a very important subject for evaluation of seismic performance in the performance based seismic design. In this study, the system ductility demand and nonlinear seismic responses of the steel moment framed structures by the nonlinear time history analysis are estimated and compared with those obtained from the capacity spectrum method suggested in ATC-40 and proposed method that is an improvement on the capacity spectrum method using the equivalent responses derived directly from a multi degree of freedom system. the adequacy and validity of the proposed method is verified by comparing the results evaluated by the method proposed in this study and the results obtained from method suggested in ATC-40 to the nonlinear seismic responses of the example structures from the nonlinear time history analysis.
system ductility demand;equivalent responses;nonlinear time history analysis;nonlinear static analysis;capacity spectrum method
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