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通过具体工程静载试验,分析了载体桩复合地基承载受力原理、承载受力与地基沉降。应用有限元软件,并采用分段线性插值的方法,计算得出承载受力与地基沉降的关系、桩侧阻力随桩长变化的关系。结果表明,载体桩复合地基可大幅度提高桩基承载能力和减小地基沉降,具有显著的经济效益和广泛的应用前景,是一项值得大力推广的技术。
Through the concrete engineering static load test, the bearing capacity principle, bearing capacity and foundation settlement of the composite foundation of pile are analyzed. The relationship between bearing capacity and foundation settlement and the relationship between pile side resistance and pile length variation were calculated by using finite element software and piecewise linear interpolation method. The results show that the composite foundation with carrier pile can greatly improve the bearing capacity of pile foundation and reduce the settlement of foundation. It has obvious economic benefits and broad application prospects. It is a technique worthy of promotion.