Fracture failure analysis of hard–thick sandstone roof and its controlling effect on gas emission in underground ultra-thick coal extraction

Title
Fracture failure analysis of hard–thick sandstone roof and its controlling effect on gas emission in underground ultra-thick coal extraction
Authors
Keywords
Hard–thick sandstone roof (HTSR), Fracture failure analysis, Super great mining height (SGMH), Strata pressure behavior, Abnormal gas emission
Journal
ENGINEERING FAILURE ANALYSIS
Volume 54, Issue -, Pages 150-162
Publisher
Elsevier BV
Online
2015-04-28
DOI
10.1016/j.engfailanal.2015.04.016

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