Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Numerical Study of the Dynamic Response of Stone Column and Geosynthetic Encased Stone Column in Soft Clay
Stone columns (SC) are widely used for ground improvement of soft clay. Geosynthetic can be used as encasement for conventional stone column, which forms geosynthetic encased stone column (GESC). This technology can reduce the lateral displacements of stone column and improve the bearing capacity in soft clay through the restraint of geosynthetic encasement. This paper presents a numerical study to investigate the dynamic response of SC and GESC, with the goal of evaluating the effect of geosynthetic encasement. Simulations were conducted using the finite difference program FLAC3D to investigate the response of SC and GESC in soft clay ground under dynamic loading. Both the stone column and the soft clay were characterized using nonlinear elasto-plastic models that consider the hysteretic behavior. Geosynthetic encasement was characterized using linearly elastic geogrid elements. The dynamic response of SC and GESC for a sinusoidal motion was investigated and compared. Simulation results indicated that the geosynthetic encasement can effectively reduce the settlements of stone column and soft clay under dynamic loading.
Numerical Study of the Dynamic Response of Stone Column and Geosynthetic Encased Stone Column in Soft Clay
Stone columns (SC) are widely used for ground improvement of soft clay. Geosynthetic can be used as encasement for conventional stone column, which forms geosynthetic encased stone column (GESC). This technology can reduce the lateral displacements of stone column and improve the bearing capacity in soft clay through the restraint of geosynthetic encasement. This paper presents a numerical study to investigate the dynamic response of SC and GESC, with the goal of evaluating the effect of geosynthetic encasement. Simulations were conducted using the finite difference program FLAC3D to investigate the response of SC and GESC in soft clay ground under dynamic loading. Both the stone column and the soft clay were characterized using nonlinear elasto-plastic models that consider the hysteretic behavior. Geosynthetic encasement was characterized using linearly elastic geogrid elements. The dynamic response of SC and GESC for a sinusoidal motion was investigated and compared. Simulation results indicated that the geosynthetic encasement can effectively reduce the settlements of stone column and soft clay under dynamic loading.
Numerical Study of the Dynamic Response of Stone Column and Geosynthetic Encased Stone Column in Soft Clay
Zheng, Yewei (Autor:in) / Wang, Jiaxin (Autor:in) / Ji, Mingchang (Autor:in)
Geo-Congress 2023 ; 2023 ; Los Angeles, California
Geo-Congress 2023 ; 447-455
23.03.2023
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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