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《Journal of Earthquake Engineering and Engineering Vibration》 2007-06
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Analysis of dynamic deformation characteristics of two-layer subway station structure under horizontal earthquakes

ZHUANG Haiyang1,2,CHEN Guoxing1,ZUO Xi1(1.Institute of Geotechnical Engineering,Nanjing University of Technology,Nanjing 210009,China;2.College of Civil Engineering,Southeast University,Nanjing 210004,China)  
According to the construction of subway station in Nanjing City,a representative soft site is selected as the groundwork of subway station structure.By using the ABAQUS finite-element software,the nonlinear dynamic soil-subway station structure interaction(SSI influence) is modeled by the finite-element method.The displacement and acceleration responses of subway station structure are analyzed respectively.Results prove that the horizontal relative displacement between the top and the bottom of subway station is close to the displacement between the corresponding positions in corresponding free site.However,the horizontal relative displacement curve of the subway station structure is different from that of corresponding positions in corresponding free site.At the same time,by considering the SSI influence,the peak acceleration at the bottom of subway station is significantly greater than that of the corresponding positions in the corresponding free site.
【Fund】: 国家自然科学基金项目(50578076);; 江苏省博士后科研基金项目(D701003C)
【CateGory Index】: U231.4;TU311.3
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