Overburden fracture evolution laws and water-controlling technologies in mining very thick coal seam under water-rich roof
Volume: 23, Issue: 5, Pages: 693 - 700
Published: Sep 1, 2013
Abstract
Considering the danger of water inrush in mining very thick coal seam under water-rich roof in Majialiang Coal Mine, the universal discrete element (UDEC) software was used to simulate the overburden fracture evolution laws when mining 4# coal seam. Besides, this study researched on the influence of face advancing length, speed and mining height on the height of the water flowing fractured zones (HWFFZ), and analyzed the correlation of face...
Paper Details
Title
Overburden fracture evolution laws and water-controlling technologies in mining very thick coal seam under water-rich roof
Published Date
Sep 1, 2013
Volume
23
Issue
5
Pages
693 - 700
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