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城市地震应急避难场所规划方法研究

Keywords: 地震避难场所规划,评价指标,责任区,加权伏龙诺图

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Abstract:

根据我国城市发展和地震应急避难建设的需求,把城市地震避难场所划分为3个级别,建立了相应的避难场所规划流程。讨论了固定避难场所覆盖区域的计算方法,编制了相应的计算程序,通过使用7因子评价指标和评分标准。以覆盖半径为权重,运用加权Voronoi图方法在GIS平台上对固定避难场所责任区域进行了空间划分,并与Voronoi图方法进行了对比.结合实例论证了各场所空间影响范围的合理性,为城市避难场所建设和规划提供了简便方法。

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