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路基软基处理方案优选的区间层次决策

, PP. 40-44

Keywords: 道路工程,路基,软基处理,模糊优化,区间关联,隶属度

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Abstract:

针对传统决策方法在评价指标量化和权值确定时主观性较强、误差较大的问题,综合运用区间数学理论法、层次分析法和区间关联分析法,建立了软土路基处理方案优选的区间层次决策法。通过对某工程软基处理方案进行优选,计算各方案的隶属度,得出各方案的优劣次序。研究结果表明与模糊相似优先比等方法计算结果进行对比,优选结果一致;区间层次决策法充分考虑了主观判断的不确定性,将评价指标值和权值区间化,大大提高了决策精度,为路基软基处理方案决策提供了一种新方法。

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