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《World Earthquake Engineering》 2008-04
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Seismic response analysis of prestressed pier of Jiangpinghe Project by 3D-FEM

ZHANG Weiwei1,PENG Gang1,2,CHEN Denghong2,YAO Yanhua2 (1.Key Laboratory of Geological Hazards on Three Gorges Reservoir Area,Ministry of Education.,Three Gorges University,Yichang 443002,China;2.College of Civil & Hydropower Engineering,Three Gorges University,Yichang 443002,China)  
3D-FEM is applied to space stress and deformation analysis of the overall model on Jiangpinghe Hydropower Staton,which includes spillway pier,concrete block and prestressed anchor cable.the overall displacement and stress distribution of two typical loading conditions are obtained.In dynamic analysis,both the mode-superposition response spectrum method and the time-history analysis method are used.According to the specifications,in the time-history analysis method,El Centro wave,Taft wave and the artificial seismic wave fitted for the design response spectrum are input respectively.Finally,the calculated results are analyzed,and some meaningful conclusions would be referenced for the design,construction and similar projects.The results can be used to check the design of engineering and to guide the construction.
【CateGory Index】: TV662.2;TV312
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