2023
DOI: 10.3390/pr11092800
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Microseismic Monitoring of the Fracture Nucleation Mechanism and Early Warning for Cavern Rock Masses

Jin-Shuai Zhao,
Yue-Mao Zhao,
Peng-Xiang Li
et al.

Abstract: The rock mass is susceptible to instability and damage during cavern construction. The blast-induced cracking process of the rock mass contains a wealth of information about the precursors of instability, and the identification of fracture nucleation signals is a prerequisite for effective hazard warning. A laboratory mechanical test and microseismic (MS) monitoring were carried out in the Baihetan Cavern to investigate the fracture nucleation process in the rock mass. MS monitoring shows that pre-existing mic… Show more

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“…Research on the deformation and failure process of rocks has been conducted for many years 31 35 . The initial stress state of the surrounding rock during unloading caused by excavation significantly affects its deformation and failure.…”
Section: Introductionmentioning
confidence: 99%
“…Research on the deformation and failure process of rocks has been conducted for many years 31 35 . The initial stress state of the surrounding rock during unloading caused by excavation significantly affects its deformation and failure.…”
Section: Introductionmentioning
confidence: 99%