Effect Evaluating of Pre-drainage Gas at First Coal Mining Face in Jike Coal Mine

Bases on MT/T1037-2007, the paper uses the method of seam residual gas pressure index to evaluate the effect of outburst prevention measures for first coal mining face in Jike Coal Mine, and adds the method of gas pumping-exhaust rate to verify the conclusion. The result shows that the prevention measure of regional pre-drainage gas for coal seam outburst are effective.