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通过对碎石桩复合地基桩土应力比随荷载变化规律的深入分析 ,提出一种能较好拟合桩土应力比的自调整双曲线数学模型 ,与湖南省临长高速公路碎石桩复合地基桩土应力比实测结果比较 ,吻合良好。
Through the deep analysis of the pile-soil stress ratio of the gravel pile composite foundation with the variation of loads, a self-adjusting hyperbola mathematical model which can well fit the pile-soil stress ratio is proposed, which is combined with the gravel pile of Lincoling Expressway in Hunan Province Pile foundation soil stress than the measured results, good agreement.