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首页> 外文期刊>E3S Web of Conferences >Comparison and analysis of pile-soil separate calculation and composite foundation calculation method for gravel pile reinforcement
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Comparison and analysis of pile-soil separate calculation and composite foundation calculation method for gravel pile reinforcement

机译：砂砾桩加固桩土单独计算及复合地基计算方法的比较与分析

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This paper uses Indraratna seepage theory, Han pile-soil seepage theory and composite foundation theory to establish three plane strain models. Through finite element calculations, the changes in pore pressure and settlement are compared, and the following laws are found: (1) The model established by the composite foundation theory cannot reflect the objective laws of seepage and deformation; (2) In the case of multiple piles, there is no difference in settlement between Han pile-soil seepage theory considering the bearing characteristics of gravel piles and Indraratna seepage theory without considering the bearing characteristics of gravel piles. (3) The settlement value obtained by the principle of composite foundation is much smaller than the settlement value obtained by the separate calculation of pile and soil.
机译：本文采用Indraratna渗流理论，汉桩 - 土渗流理论和复合地基理论建立三个平面应变模型。 通过有限元计算，比较了孔隙压力和结算的变化，并找到了以下法律：（1）复合地基理论建立的模型不能反映渗流和变形的客观规律; （2）在多个桩的情况下，考虑到砾石桩和Indraratna渗流理论的轴承特性，汉桩土壤渗流理论的沉降没有差异，而不考虑砾石桩的轴承特性。 （3）通过复合地基原则获得的沉降值远小于通过单独计算桩和土壤获得的沉降值。

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