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《地震工程和工程振动(英文版)》 2002-01
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Seismic response of arch dams considering infinite radiation damping and joint opening effects

Liu Xinjia Xu Yanjie Wang Guanglun Zhang Chuhan Department of Hydraulic Engineering,Tsinghua University,Beijing 100084,China Research assitant Lecturer Professor  
Effects of two important factors on earthquake response of high arch dams are considered and combined into one program.These tactors are:effects of radiation damping of the infinite canyon and local non-linearity of the contraction joint opening between the dam monoliths.For modeling of rock canyon,the discrete parameters are obtained based on a curve fitting, thus allowing the nonlinear dam system to be solved in the time domain.The earthquake uniform tree-field input at the dam-canyon interface is used.An engineering example is given to demonstrate the significant effects of the radiation damping on the structure response.
【CateGory Index】: TV642.4;TV312
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