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Rapid regional outburst elimination technology in soft coal seam with soft roof and soft floor
Soft coal seam Regional outburst elimination Numerical simulation Gas drainage
2012/3/27
In order to solve the problems in outburst elimination of coal seams with outburst potential, methods of field testing, theoretical analysis and numerical simulation are employed in this study. It is ...
Experimental research on the variational characteristics of vertical stress of soft coal seam in front of mining face
Soft coal seam Mining face Vertical stress distribution Layered characteristics Experimental research
2012/3/28
Permeability of coal seam is extremely sensitive to the in situ stress loaded. The techniques of ‘‘Pressure relief’’ have been proved significantly effective in practice to improve the gas permeabilit...