基于模糊综合评判法的地质灾害危险性评价——以阿干矿区为例
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摘要
本文依托收集及现场调查所得的大量资料,分析得出地质灾害危险性的评价指标,采用层次分析法确定各评价指标的权重,分定性和定量两种情况求出评价指标相应于各危险等级的隶属度,接着进行了综合评价计算,最后按照最大隶属度原则确定出了危险性等级,实现了用模糊综合评判法对阿干矿区地质灾害危险性的定量评价,取得了较为满意的结果。
Based on the large amount of data obtained from the collection and on-site investigation, this paper analyzes the evaluation index of geological hazard risk, and uses AHP to determine the weight of each evaluation index. The qualitative and quantitative methods are used to determine the evaluation index corresponding to each risk. The degree of membership is then comprehensively evaluated and calculated. Finally, the risk level is determined according to the principle of maximum membership degree. The fuzzy comprehensive evaluation method is used to quantitatively evaluate the risk of geological disasters in the Agan mining area, and satisfactory results have been obtained.
Based on the large amount of data obtained from the collection and on-site investigation, this paper analyzes the evaluation index of geological hazard risk, and uses AHP to determine the weight of each evaluation index. The qualitative and quantitative methods are used to determine the evaluation index corresponding to each risk. The degree of membership is then comprehensively evaluated and calculated. Finally, the risk level is determined according to the principle of maximum membership degree. The fuzzy comprehensive evaluation method is used to quantitatively evaluate the risk of geological disasters in the Agan mining area, and satisfactory results have been obtained.
引文
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[4]张长敏,等.采空区地面塌陷危险性两级综合评判[J].地球与环境,2005,33(增刊):99-102.
[5]黄润秋,等.地质环境评价与地质灾害管理[M].北京:科学出版社,2008.
[6]王鹏.水麻路危岩危险性风险评价及防治[D].重庆:重庆交通大学,2008.
[7]孙广仁,毕海良.模糊综合评判法在泥石流沟判别与危险度评价中的应用[J].青海环境,1997,7(2):72-77.
[8]张梁,等.地质灾害灾情评估理论与实践[M].北京:地质出版社,1998.
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[11]段瑜.地下采空区灾害危险度的模糊综合评价[D].中南大学,2005.
[12]姚柏华,李毅.模糊综合评价法在矿山地质灾害分析中的应用[J].山西建筑,2007,34(8):114-115.