【摘 要】
：
影响高速公路软土地基路基沉降因素很多,各因素对软基沉降的敏感性是不同的.软基影响因素分析对于软基处理设计、施工监控有较大的指导意义.提出采用灰色系统理论中的灰色关
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影响高速公路软土地基路基沉降因素很多,各因素对软基沉降的敏感性是不同的.软基影响因素分析对于软基处理设计、施工监控有较大的指导意义.提出采用灰色系统理论中的灰色关联分析方法,对高速公路软土地基沉降进行敏感性分析,通过建立软基沉降的灰色关联数据矩阵,进而计算出敏感因子变化与软土地基沉降之间的灰关联系数和灰关联度,从而确定软基沉降的敏感因素.
There are many factors affecting the subgrade settlement of soft ground in expressway, and the sensitivity of each factor to the settlement of soft foundation is different.The analysis of influence factors of soft foundation is of great instructive significance for the design and construction monitoring of soft foundation.This paper proposes the use of gray system theory , The sensitivity analysis of soft ground settlement of expressway is made. By establishing the gray relational data matrix of soft ground settlement, the gray correlation coefficient and gray incidence between the change of sensitive factors and the settlement of soft ground are calculated. , So as to determine the sensitive factors of soft foundation settlement.
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