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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 ...
Rockburst hazard determination by using computed tomography technology in deep Workface
Rockburst Elastic wave CT Velocity anomaly Inversion Verification
2012/3/28
The rockburst in mines results from the dynamic load coupled with static one in coal seams around workface zones, so it is essential to learn the stress distribution of the coal and surrounding rock f...
Research and practice on fluctuation water injection technology at low permeability coal seam
Low permeability coal seam Fluctuation water injection Permeable agent Dust fall Rock burst Cooling
2012/3/31
In order to solve the problem of poor affusion effect on low permeability coal seam, the paper analyzes the micro process of the coal seam water infusion in wetting coal and determines the main factor...