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铁路应急物资储备点选址

, PP. 74-78

Keywords: 铁路运输,应急物资储备,分支剪支搜索方法,选址问题

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Abstract:

为求解满足应急时间约束及数量最少的铁路应急物资储备点选址问题,分析了铁路应急物资储备点选址问题的独特性,将复杂的铁路路网简化为路段,依托供需可达矩阵建立数学模型,结合改进的分支剪支搜索方法给出了求解程序,并以某铁路局的应急物资储备点选址问题为例进行了实证分析。分析结果表明选取阎良作为防洪物资储备点符合实际情况,该模型能够在保证有效解一致的前提下,将复杂的铁路路网简化为路段,消除了点覆盖线的约束,适用于铁路应急物资储备点选址问题。

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