Predicting the Accuracy and Applicability of Micro-Seismic Monitoring of Rock Burst in TBM Tunneling Using the Data from Two Case Studies in China

Yalei Yang, Lijie Du (), Qingwei Li, Xiangbo Zhao, Weifeng Zhang and Zhiyong Liu
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Yalei Yang: School of Mechanical Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
Lijie Du: Collaborative Innovation Center for Performance and Safety of Large-Scale Infrastructure, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
Qingwei Li: School of Mechanical Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
Xiangbo Zhao: Xinjiang Irtysh River Investment and Development (Group) Co., Ltd., Urumqi 830002, China
Weifeng Zhang: PowerChina Chengdu Survey and Design Research Institute Co., Ltd., Chengdu 610072, China
Zhiyong Liu: PowerChina Chengdu Survey and Design Research Institute Co., Ltd., Chengdu 610072, China

Sustainability, 2023, vol. 15, issue 5, 1-16

Abstract: Rock burst in TBM construction will have a great influence on the construction safety and construction speed. At the same time, there are few practical projects using micro-seismic monitoring, and the accuracy of prediction is not satisfactory. Therefore, this paper was based on a large number of micro-seismic monitoring reports and data from two hard rock TBM projects in China. The actual rock burst situation was continuously tracked and recorded on site for comparison and verification. The accuracy of rock burst monitoring was statistically analyzed from the aspects of rock burst grade and location. The applicability was analyzed from the perspective of rock burst construction safety, advance rate, and prevention measures. It was concluded that the accuracy of micro-seismic monitoring increased with the increase in the rock burst risk level. The precision location of Grade I and Grade II rock burst could be realized basically, while Grade III rock burst prediction was relatively low. It is suggested that micro-seismic monitoring should be adopted when there are Grade I and II rock burst risks. The research results will have important guiding significance for the TBM construction of deep-buried tunnels in the future.

Keywords: TBM; micro-seismic monitoring; rock burst; accuracy; applicability (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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