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基于统一强度理论的水平加筋材料复合地基极限分析

, PP. 49-54

Keywords: 道路工程,复合地基,承载力,水平加筋材料,极限分析,统一强度理论

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Abstract:

结合统一强度理论和极限分析法,对水平加筋增强体复合地基承载力进行了研究。通过对已有以主应力表达的统一强度理论关系式进行变换,导出了以任意平面上的剪应力和正应力表达的统一强度理论关系式;将统一强度理论与相关联流动准则相结合,解决了基于统一强度理论进行极限分析的基本问题;并结合加筋材料对地基极限承载力的影响,对水平加筋材料复合地基进行了极限分析,得到了水平加筋材料复合地基极限承载力计算公式。最后结合工程算例对地基极限承载力的影响因素进行分析,对实际工程具有一定指导意义。

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