Deformation and Failure Characteristics of Overburden Under Thin Bedrock and Thick Alluvium: A Case Study in Baodian Coal Mine
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DOI: 10.1007/s10706-020-01357-8
Abstract: Underground mining will lead to deformation and failure of overburden and frequently associated with water inrush. In view of the special situation of No.8 mining area in Baodian Coal Mine (thin bedrock and thick alluvium).… read more here.
Keywords: height caving; caving zone; bedrock; deformation failure ... See more keywords
Research on the Roof Failure Law of Downward Mining of Gently Inclined Coal Seams at Close Range
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DOI: 10.3390/app15126609
Abstract: With the increasing depth of coal mining operations, the repeated extraction of multiple coal seams has led to serious safety threats to mines, including secondary roof fracturing, interlayer separation-induced water hazards, and intense mine pressure.… read more here.
Keywords: coal seam; fracture zone; coal; seam ... See more keywords