Research on prominent indicators prediction of coal and gas outburst in coal lane roadheader

Abstract：Aims at serious coal and gas outburst, unreliable predictor of coal roadway, 16121 lane heading face prediction in the Daping coal mine Xinmi mining area, was studied.The mine-sensitive indicators and their threshold and discard the used part of the original mining area indicators were obtained.Through the study, it is shown that the coal roadway heading face prediction indicators highlight the dangers research of inadequate, and some points of view are put forward.

Keyword：prediction index;the initial velocity of gas emission;the amount of drillings coal powder;the amount of gas desorption;