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Analysis of Earthquake Resistance of Underground Construction Surrounded by Soft Soil in Shanghai

Zhou Jian; Hu Xiaoyan(Departman of Ceotechnical Engineering, Tongji University, Shanghai, 200092)  
Based on the method of dynamic effective stress analysis, the analysis of earthquake resistance of underground construction surrounded by soft soil in Shanghai is presented in this paper. The dynamic response analysis of the tunnel which is located in the soft soil and sand respectively is given as an example. The four different motions,Tangshan, Sunan nuclear power station, Niyasaki gawa and Lotung earthquake motion are used as input motion and two depths of 50 m and 280 m from the soil layer surface are considered as the input base boundare, respectively. The acceleration, pore water pressure and the settlement of the turmel under 7 degree earthquake are given and compared.
【Fund】: 上海市建设技术发展基金
【CateGory Index】: TU93
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