Journal
INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY
Volume 30, Issue 6, Pages 777-783Publisher
ELSEVIER
DOI: 10.1016/j.ijmst.2020.07.002
Keywords
V-shaped fissure; Fracturing process; Overburden strata; Coal mining
Categories
Funding
- National Natural Science Foundation [41572244, 41807283, 51804184]
- Natural Science Foundation of Shandong Province [ZR2015DM013]
- Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents [2017RCJJ031]
- Open Fund of State Key Laboratory of Coal Resources and Safe Mining [SKLCRSM19KFA10]
- Science and Technology Research Directive Plans of China National Coal Association [MTKJ2018-263]
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The distribution characteristics and evolution law of rock mass fissures induced by mining are a key scientific issue in the study of deep rock mechanics. In this study, a series of uniaxial compression experiments was conducted on rock-like specimens containing double V-shaped prefabricated fissures at dip angles of alpha = beta = 45 degrees, alpha = 45 degrees
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