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《Earthquake Engineering and Engineering Dynamics》 2016-01
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Comparison of pseudo static method and nonlinear dynamic method of subway station structure seismic response analysis

FU Xujiang;CHANG Suping;CHEN Guoxing;Institute of Geotechnical Engineering,Nanjing Tech University;Civil Engineering & Earthquake Disaster Prevention Center of Jiangsu Province;Architectural Designing Institutes Co.;  
Bending moments of a typical three-span and two-story subway station structure was analyzed by response displacement method and response acceleration method using the results of a nonlinear one-dimensional site response analysis model for vertical propagation of horizontal shear waves. The calculated results were compared to the results of nonlinear dynamic analysis by using software ABAQUS for different ground motion intensity,lateral stiffness and roof cover depth of a subway station structure,the differences are summarized as the following: the computational inaccuracy increasing of pseudo static method with the increasing of ground motion intensity or structural lateral stiffness; the bending moments of the shallow and deep buried subway structure calculated by pseudo static method are larger or less than those calculated by nonlinear dynamic method under moderate-level earthquake,respectively; the difference for the calculated results of the response displacement method and the response acceleration method is quite small. The results are used to provide useful reference for the choice of underground structure seismic design methods.
【Fund】: 国家自然科学基金重大研究计划集成项目(91215301);; 北京市属高等学校创新团队建设项目(IDHT20130512)~~
【CateGory Index】: TU311.3
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