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以数值方法为工具,“数值仿真试验”为基本思路,建立能够较准确反映复合地基性状的数值试验模型。在此基础上,对不同种类的复合地基进行全面系统的数值仿真试验,探索了单桩复合地基桩土相互作用的机理、荷载传递的性状及附加应力分布的规律,为群桩复合地基的优化设计提供理论基础。
Using the numerical method as a tool and the “Numerical Simulation Test” as the basic idea, a numerical test model capable of accurately reflecting the characteristics of the composite foundation was established. On this basis, a comprehensive and systematic numerical simulation test was conducted for different types of composite foundations, and the mechanism of pile-soil interactions, the characteristics of load transfer, and the additional stress distribution law for a single-pile composite foundation were explored to optimize the composite foundation of pile groups. Design provides the theoretical basis.