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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Seismic soil-structure interaction of massive flexible strip-foundations embedded in layered soils by hybrid BEM-FEM
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Seismic soil-structure interaction of massive flexible strip-foundations embedded in layered soils by hybrid BEM-FEM

机译：混合BEM-FEM在层状土中埋置的块状柔性基础的地震土-结构相互作用

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摘要

A study on the seismic response of massive flexible strip-foundations embedded in layered soils and subjected to seismic excitation is presented. Emphasis is placed on the investigation of the system response with the aid of a boundary element-finite element formulation proper for the treatment of such soil-structure interaction problems. In the formulation, the boundary element method (BEM) is employed to overcome the difficulties that arise from modeling the infinite soil domain, and the finite element method (FEM) is applied to model the embedded massive flexible strip-foundation. The numerical solution for the soil-foundation system is obtained by coupling the FEM with the BEM through compatibility and equilibrium conditions at the soil-foundation and soil layer interfaces. A parametric study is conducted to investigate the effects of foundation stiffness and embedment on the seismic response.
机译：提出了埋入层状土壤中并受到地震激励的块状柔性软基的地震响应研究。重点放在借助适合处理这种土壤-结构相互作用问题的边界元-有限元公式研究系统响应上。在该公式中，采用边界元方法（BEM）克服了无限土域建模所带来的困难，而有限元方法（FEM）则用于对嵌入的大型柔性条形基础进行建模。通过在地基和土层界面处的相容性和平衡条件，通过将有限元与BEM耦合，可以得到地基系统的数值解。进行了参数研究，以研究地基刚度和埋入对地震响应的影响。

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