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通过现场水平受荷桩试验,评测现有砂土中p—y曲线模型准确性随着桩径增加或变形增加的精度,并选用现场实验数据,评测三种p—y曲线模型预测桩身弯矩的精度,该结果可广泛应用于工程中砂土不同直径水平受荷桩的非线性分析,为大直径的水平桩受荷分析提供建议。
The accuracy of p-y curve model in existing sand with the increase of pile diameter or the increase of deformation is evaluated by field-level pile-loading test. Three p-y curve models are used to predict pile bending The results can be widely applied to the nonlinear analysis of piles under different diameters of sand and soil in engineering, and provide suggestions for the load analysis of horizontal piles with large diameter.