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水平条分法在贴坡高填方路堤稳定性分析中的应用

, PP. 29-34

Keywords: 道路工程,高填方路堤,足尺模型试验,极限平衡水平条分法,稳定性

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Abstract:

?结合山区高速公路建设的实践,采用足尺模型试验,得出荷载作用下斜坡地基上高填方路堤滑动破坏面出现的位置及形态,并测定了其相应的极限承载力。通过对层状边坡稳定性计算方法的研究,提出了斜坡地基上高填方破坏面为折线时的极限平衡水平条分法,并推导了计算其安全系数和极限承载力的理论公式。结果表明:利用极限平衡水平条分法分析斜坡地基上高填方路堤稳定性不仅简单可行,且具有较高的可靠性和计算精度。

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