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首页> 外文会议>International Conference on Soil Mechanics and Geotechnical Engineering(16 ICSMGE) vol.3; 2005; Osaka(JP) >Simple and accurate prediction of settlements of stone column reinforced soil
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Simple and accurate prediction of settlements of stone column reinforced soil

机译：简单，准确地预测石柱加筋土的沉降

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摘要

A new analytical method is proposed to analyse the behaviour of rigid foundations resting on soft soil stabilised by a large number of end bearing stone-columns. The stone column and the surrounding soil are treated in axial symmetric conditions as a "unit cell". The stone column is assumed to behave as an elasto-plastic Mohr-Coulomb material with non-associative flow rule and the soil as an elastic material. These assumptions, combined with equilibrium and kinematic conditions, lead to the simple analytical closed-form solution for the prediction of the behaviour for rigid footings resting on stone-column reinforced ground. The results of the proposed method are in excellent agreement with the results of the elasto-plastic finite element method analysis.
机译：提出了一种新的分析方法来分析由大量端承石柱稳定的软土地基上的刚性基础的行为。石柱和周围的土壤在轴对称条件下被视为“晶胞”。假定石柱表现为具有非缔合流动规律的弹塑性莫尔-库仑材料，而土壤则表现为弹性材料。这些假设与平衡和运动学条件相结合，得出了一种简单的解析封闭形式解决方案，用于预测位于石柱加筋地面上的刚性基础的行为。该方法的结果与弹塑性有限元方法分析的结果非常吻合。

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