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基于遗传算法的高速公路纵断面节能设计

, PP. 51-56

Keywords: 道路工程,高速公路,纵断面,遗传算法,节能

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Abstract:

为综合考虑高速公路构造成本和运营成本,详细分析了土石方成本和燃油消耗成本的影响因素,描述了土石方量和燃油消耗量的计算过程,以两者之和构造了适应度函数。然后对等距划分纵断面的变坡点进行二进制编码,基于遗传算法建立了一般情况下高速公路线路纵断面节能设计的模型与算法,致使线路设计的着眼点不再局限于强调工程造价的构造阶段,而是延展至高速公路运营阶段。仿真案例表明本模型具有良好的全局寻优能力,能快速给出高速公路纵断面设计的初始优化方案,若在此基础上辅以人工调整,优化效果更趋明显。

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