Journal
COMPTES RENDUS MECANIQUE
Volume 345, Issue 10, Pages 690-705Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crme.2017.06.009
Keywords
Normal fault; Dip angle of a fault; Strata behaviors; Instability of a fault; Rock burst
Categories
Funding
- National Natural Science Foundation of China [51574155]
- Tai'an Science and Technology Development Plan of Shandong Province [2015ZC1058]
- Science and Technology Innovation Fund of College of the Mining and Safety Engineering
- Shandong University of Science and Technology [KYKC17008]
- State Key Laboratory for GeoMechanics and Deep Underground Engineering
- China University of Mining and Technology [SKLGDUEK1725]
- State Key Laboratory for Mining Disaster Prevention and Control [MDPC201602]
- Government of Shandong Province [J17KA212]
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The study of mining effects under the influences of a normal fault and its dip angle is significant for the prediction and prevention of rock bursts. Based on the geological conditions of panel 2301N in a coalmine, the evolution laws of the strata behaviors of the working face affected by a fault and the instability of the fault induced by mining operations with the working face of the footwall and hanging wall advancing towards a normal fault are studied using UDEC numerical simulation. The mechanism that induces rock burst is revealed, and the influence characteristics of the fault dip angle are analyzed. The results of the numerical simulation are verified by conducting a case study regarding the microseismic events. The results of this study serve as a reference for the prediction of rock bursts and their classification into hazardous areas under similar conditions. (C) 2017 Acadmie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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