熵权模糊综合评价法在公路洪灾
危险性评价中的应用

重庆交通大学学报（自然科学版） ›› 2010, Vol. 29 ›› Issue (4): 587-591.

熵权模糊综合评价法在公路洪灾危险性评价中的应用

曾蓉, 陈洪凯, 李俊业

重庆交通大学岩土工程研究所, 重庆 400074

收稿日期:2010-04-06 修回日期:2010-04-27 出版日期:2010-08-15 发布日期:2015-01-22
作者简介:曾蓉(1986—),女,四川德阳人,硕士研究生,从事岩土工程及GIS研究。E-mail:zengrong.rong@163.com。
基金资助:
国家自然科学基金项目(50678182) ; 交通运输部西部交通科技项目(2009318221035 )

Fuzzy Comprehensive Evaluation Method Based on Entropy in Road Flood Risk Assessment

ZENG Rong, CHEN Hong-kai,LI Jun-ye

Institute of Geotechnical Engineering, Chongqing Jiaotong University, Chongqing 400074, China

Received:2010-04-06 Revised:2010-04-27 Online:2010-08-15 Published:2015-01-22

摘要/Abstract

摘要： 针对公路洪灾的复杂性、模糊性及不确定性,基于模糊数学理论,采用熵权法对公路洪灾各危险性指标赋权, 构造基于熵权的模糊综合评价模型,通过熵权使权重由主观判断转为由各指标数据之间的关系来确定,将客观权重和专家给出的主观权重综合度量得到评价结果。经过在重庆境内渝黔高速公路洪灾危险性评价实际案例中运用,结果表明,该方法是可行的,能准确反映公路洪灾危险性程度,在实践中具有一定的应用价值。

关键词: 危险性评价, 公路洪灾, 模糊综合评价法, 熵权

Abstract: Due to the complexity, ambiguity and uncertainty of road flood risks, entropy weight method was employed to determine risk index weights based on fuzzy mathem atics and establish a fuzzy comprehensive evaluation model on the basis of entropy weight. The evaluation model was determined by relationship among different indexes instead of subjective judgement. The evaluation results could be obtained by integrating objective weight and subjective evaluation by experts. After conducting a case study of flood risk evaluation in Yuqian Expressway, it was demonstrated that the model could exactly show highway flood risk degree therefore it was feasible and valuable in practice.

Key words: risk assessment, road flooding, fuzzy comprehensive evaluation method, entropy weight

中图分类号:

U418.5+ 4

曾蓉, 陈洪凯, 李俊业. 熵权模糊综合评价法在公路洪灾危险性评价中的应用[J]. 重庆交通大学学报（自然科学版）, 2010, 29(4): 587-591.

ZENG Rong, CHEN Hong-kai,LI Jun-ye. Fuzzy Comprehensive Evaluation Method Based on Entropy in Road Flood Risk Assessment[J]. Journal of Chongqing Jiaotong University(Natural Science), 2010, 29(4): 587-591.

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