Development law of air leakage fractures in shallow coal seams: a case study in the Shendong Coalfield of China
Continuous air leakage from ground mining-induced cracks is a significant cause of coal spontaneous combustion, low oxygen at the working face and other disasters in shallow coal seams. This paper studies mining-induced cracks and air leakage caused by the repeated mining of shallow coal seams at th...
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Veröffentlicht in: | Environmental earth sciences 2018-12, Vol.77 (23), p.1-11, Article 772 |
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Format: | Artikel |
Sprache: | eng |
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