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武汉大学学报 英文版 | Wuhan University Journal of Natural Sciences
Wan Fang
Wuhan University
Latest Article
Analysis of Early-Warning Threshold for Metro Construction Collapse Risk Based on D-S Evidence Theory and Rough Set
XIE Yi1,2, LIU Jia3
1. School of Traffic and Transportation, Changsha Uni-versity of Science and Technology, Changsha 410076, Hunan, China; 2. Wuhan Engineering Consulting Bureau, Wuhan 430014, Hubei, China; 3. School of Information and Safety, Zhongnan University of Economics and Law, Wuhan 430073, Hubei, China
 The existing early-warning system in metro construction are generally based on traditional single-sensor data and simple analytic model, which makes it difficult to deal with the complex and comprehensive environment in metro construction. In this paper, the framework of early-warning threshold for metro construction collapse risk based on D-S evidence theory and rough set is built. By combining the primary data fusion collected based on rough set with the secondary data fusion which is based on D-S evidence theory, the integration of multiple information in metro construction is realized and the risk assessment methods are optimized. A case trial based on Hangzhou metro construction collapse accident is also carried out to exemplify the framework. The empirical analysis guarantees the completeness and independence of the prediction information, and realizes the dynamic prediction of the variation trend of metro construction collapse risk.
Key words:metro construction; collapse risk early-warning; D-S evidence theory; rough set
CLC number:TP 391
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