Seismic responses of subway station with different distributions of soft soil in Tianjin

2014, Volume 8, Issue 2

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Frontiers of Structural and Civil Engineering >> 2014, Volume 8, Issue 2 doi: 10.1007/s11709-014-0252-z

Seismic responses of subway station with different distributions of soft soil in Tianjin

Department of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China

Available online: 2014-05-19

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Abstract

In connection with the practical project of Kunming Road station of Tianjin subway Line 3, the paper established a two-dimensional finite element model with visco-elastic boundary by using ANSYS and analyzed seismic responses of subway station with different distribution of soft soil. The nonlinear dynamic properties of soft soils are modeled by the KINH. And obtain the response rules about displacement and internal force on subway station in the general field soil and five different distributions of soft soil. Provide reference for improving the seismic performance of subway stations in Tianjin soft soil.

Keywords

distribution of soft soil ; soft soil in Tianjin ; seismic response ; ANSYS

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