Abstract:
In order to study geological structure features of coal and gas outburst in Yinggangling Mining Area, on the basis of large number of statistical on coal and gas outburst accidents and geological morphology characteristics in Yinggangling Mining area, the gas geological unit is divided, and the influence of faults and fold in seriously high outburst mine on coal and gas outburst is analyzed. The results show that the imbricate structure area formed by a series of small-scale reverse faults under the large pressure shear faults has great danger of coal and gas outburst; coal and gas outburst always occurs in the area which the fold's shaft portion and structure convergence region of the entire synclinorium; the area that small folds and faults accompanied coal thickness from thin thickening region could easily lead to coal and gas outburst.