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Experimental study on the bump-inducing mechanism of slicing in thick coal seams with hard roofs
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2021The bump-inducing mechanism of slicing in thick coal seams with hard roofs is still not completely understood.
Chuan Chen +5 more
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Advanced Materials Research, 2012
In order to find out the cause of the mining roadway of mine test roof fall in the excavation period, to based roof stability partition method, The main research methods is using RFPA software numerical simulation, according to the specific condition roof strata of the mine test, build 6 different thickness of medium sandstone model, get the ...
Hong Tao Liu +3 more
openaire +1 more source
In order to find out the cause of the mining roadway of mine test roof fall in the excavation period, to based roof stability partition method, The main research methods is using RFPA software numerical simulation, according to the specific condition roof strata of the mine test, build 6 different thickness of medium sandstone model, get the ...
Hong Tao Liu +3 more
openaire +1 more source
Research on the Reasonable Width of Coal Pillar Driving along Goaf under Thick Hard Roof
Applied Sciences (Switzerland)There are fewer studies on the width of coal pillar retaining under a thick, hard roof. This paper takes the thick limestone roof in the 10110 working face of Jinniu Coal Mine as the background, taking the reasonable coal pillar width and its stability ...
Zhenfei Han +3 more
exaly +2 more sources