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基于工程模糊集理论的边坡治理方案优化

, PP. 30-34

Keywords: 道路工程,公路边坡,工程集模糊理论,边坡治理

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Abstract:

根据影响边坡治理决策的定量指标(安全稳定系数、期望造价)和定性指标(施工难易程度、边坡治理效果和环境扰动大小),建立各指标的模糊判断矩阵,并将定性指标转换为模糊值,有效组合主、客观权重,建立基于工程模糊集理论的边坡治理方案优化模型。以商州至漫川公路危岩斜坡的防护为例,详细地分析了该方法的应用。计算结果表明该模型能避免决策或评价结果的主观随意性,减少了目标的客观权重与实际情况之间的误差,符合人工决策的一般过程,较易体现专家的意见和边坡的客观实际情况,有利于提高边坡治理方案优化的决策精度。模型适应性较强,计算量小,有利于推广应用。

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