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《Journal of Chongqing Jiaotong University(Natural Science)》 2008-05
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Fuzzy Comprehensive Evaluation Method and Its Application in Judging the Risk Degree of Debris Flows

WANG Zi-jian1,XIAO Sheng-xie 1,DAI Ting-li2,WU Li-ming3,WANG Wei1(1.School of Civil Engineering & Architecture,Chongqing Jiaotong University,Chongqing 400074,China;2.Chongqing Municipal Design Institute,Chongqing 400020,China;3.Shenyang Zhongyuan Architecture Design Co.Ltd,Liaoning Shenyang 110025,China)  
Aiming at the analysis of the debris flow disaster characteristics,the evaluated factors and the nonlinear subordinate functions are selected to determine the membership degree of every factor.The weights of the impacted factors are determined by the hierarchy process.The dangerous size of the mudslides is assessed by the secondary fuzzy analytic method.And the example assessed by the dangerous size of the five debris flow ditches in Yunnan show that the fuzzy analytic method can reflect the dangerous conditions of the debris flow,and it provides the decision-making basis for the debris flow prevention and the project reinforcement.
【Fund】: 国家科技攻关计划“西部开发科技行为”重大项目(2004BA901A02)
【CateGory Index】: P642.23
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