Application of Subway Foundation Pit Engineering Risk Assessment: A Case Study of Qingdao Rock Area, China
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The foundation pit construction risk of subway stations is affected by various uncertain factors, which cannot be analyzed quantitatively by current methods. A synthetic evaluation index system for foundation pit construction risk of subway stations is established by analyzing the factors that influence subway station construction. Based on the hierarchy of these factors, a model of three-stage fuzzy synthetic evaluation is proposed, an analytic hierarchy process is used to determine the weight of each stage factor, the fuzzy sets method is used to determine the membership function, and risk ranking is carried out. The proposed method is applied to a subway station construction of the Qingdao Subway Line No. 3 Project. The simulation results show that the method is reasonable and that it should be practical and helpful for other similar projects.
Keywordsfoundation pit engineering fuzzy synthetic evaluation analytic hierarchy process risk evaluation subway construction management
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This work was supported by the National Natural Science Foundation of China (Grant No. 51908249), the Natural Science Foundation of the Jiangsu Higher Education Institutions of China (Grant No. 19KIB560012) and the High-level Scientific Research Foundation for the introduction of talent for Jiangsu University (Grant No. 18JDG038).
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