The Risk Assessment of Tunnels Based on Grey Correlation and Entropy Weight Method

被引：61
|
作者：
Gao C.-L. [1 ]
Li S.-C. [1 ]
Wang J. [1 ]
Li L.-P. [1 ]
Lin P. [1 ]
机构：
[1] Geotechnical and Structural Engineering Research Center, Shandong University, 17923 Jingshi Road, Jinan
来源：
Geotechnical and Geological Engineering | 2018年 / 36卷 / 3期
关键词：
Controlling factors; Correction factor; Entropy weight method; Grey relational degree; Tunnel collapses;
D O I：
10.1007/s10706-017-0415-5
中图分类号：
学科分类号：
摘要：
In the process of tunnel construction, many kinds of geological disasters are frequently occur. Among them, tunnel collapse is one of the most serious geological disasters. Seven controlling factors were determined by analyzing 76 large or medium tunnel collapses in China. By means of synthesizing all kind of index parameters, grey relational coefficients were calculated based on grey correlation theory. Entropy weight method was used to compute the weight coefficients. And a comprehensive risk evaluation model of tunnel collapse was established based on entropy weight and grey relational degree. The paper gives the correctional coefficients depending on rainfall conditions during construction of the tunnel. At last the collapse risk level of tunnels was obtained. Based on the actual project cases of risk assessment, the results indicated that the comprehensive risk evaluation model of tunnel collapse was scientific and reasonable. And it was shown that the method was easy to master and has a great significance on engineering practice. © 2017, Springer International Publishing AG, part of Springer Nature.
引用
收藏
页码：1621 / 1631
页数：10
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