Coal And Gas Outburst Coupling Mechanics And Analysis

The coal and gas outburst is an extremely complex geological power phenomenon that occurs in the coal mine production, is one of most serious disasters in the coal mine production. At present, the high mines and outburst mines account for above 40% in our country. The probability of coal and gas burst accident in total coal mine disasters is very high. So it has important academic significance and realistic value to study coal and gas outburst coupling mechanics. In the thesis the author researched the physics mechanical properties of coal body containing gas, analyzed the coal body distortion and gas solid coupling function in gas flow course through the experiment, established the gas solid coupling mathematical model, utilized finite element method to carry on the solution of the coupling mathematical model. And carried on the simulation and forecast of the coal and the gas in Panyi mine and Xieyi mine of Huainan area, and has further analyzed the coal and gas coupling function. The conclusion this thesis provides the reliable theory basis for the coal and gas outburst, have the important reference value to the coal and gas outburst forecast and prediction.