Slope Stability Analysis Based on Group Decision Theory and Fuzzy Comprehensive Evaluation
Slope Stability Analysis Based on Group Decision Theory and Fuzzy Comprehensive Evaluation作者机构:Faculty of EngineeringChina University of GeosciencesWuhan 430074China
出 版 物:《Journal of Earth Science》 (地球科学学刊(英文版))
年 卷 期:2020年第31卷第6期
页 面:1121-1132页
核心收录:
学科分类:08[工学] 0708[理学-地球物理学] 080104[工学-工程力学] 0815[工学-水利工程] 0704[理学-天文学] 0801[工学-力学(可授工学、理学学位)]
基 金:the National Key Research and Development Program of China(No.2017YFC1501302) the National Natural Science Foundation of China(No.41630643) the Fundamental Research Funds for the Central Universities(No.CUGCJ1701)
主 题:group decision theory analytic hierarchy process fuzzy comprehensive evaluation slope stability
摘 要:A slope stability evaluation method is proposed combining group decision theory,the analytic hierarchy process and fuzzy comprehensive *** index weight assignment of each evaluation element is determined by group decision theory and the analytic hierarchy process,and the membership degree of each indicator is determined based on fuzzy set *** to the weights and memberships,the membership degrees of the criterion layer are obtained by fuzzy operations to evaluate the slope *** results show that(1)the evaluation method comprehensively combines the effects of multiple factors on the slope stability,and the evaluation results are accurate;(2)the evaluation method can fully leverage the experience of the expert group and effectively avoid evaluation errors caused by the subjective bias of a single expert;(3)based on a group decision theory entropy model,this evaluation method can quantitatively evaluate the reliability of expert decisions and effectively improve the efficiency of expert group discussion;and(4)the evaluation method can transform the originally fuzzy and subjective slope stability evaluation into a quantitative evaluation.