刚性桩、柔性桩复合地基力学性状三维有限元分析

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RESEARCH AND COMPARATION OF MECHANICAL BEHAVIORS OF COMPOSITE FOUNDATION WITH RIGID PILES AND THE ONE WITH FLEXIBLE PILES BY 3-D FEM

1.
1 College of Civil Engineering,Henan University of Technology Zhengzhou 450052;
2.
2 Department of Geotechnical Engineering,Tongji University Shanghai 200092

摘要: 采用ANSYS软件对刚、柔性桩复合地基的力学性状做了计算分析,比较了刚、柔性桩复合地基的荷载传递形式,同时与桩基的荷载传递形式做了比较,通过计算分析了桩身模量以及下卧层模量的改变对桩身荷载分布形式的影响。分析结果表明,刚性桩复合地基与柔性桩复合地基荷载传递形式是完全不同的。
- 复合桩基 /
- 桩基 /
- 有限元 /
- 力学性状 /
- 分析比较
Abstract: The mechanical properties of composite foundation with rigid piles and the one with flexible piles are analyzed using FEM software ANSYS, whose load transfer modes are also studied, which are compared to that of a pile foundation. Through calculation, it is analyzed the effect of changes in shaft modulus and modulus of underlying stratum on load distribution of the shaft. The analytic results show that the load transfer mode of the composite foundation with rigid piles is fully different from that of the one with flexible piles.
- composite pile foundation /
- pile foundation /
- finite element /
- mechanical behavior /
- analysis and comparation