一、概述立新煤矿是一个有严重煤与沼气突出的矿井,自建井以来有记载的突出次数达190次。其中沿煤层掘进突出150次,占总突出次数的79%,而在沿煤层掘进的突出次数中又以作为解放层本层的机巷掘进最多,达114次,占总突出次数的60%。因此,沿煤、半煤巷道掘进防治突出问题成为立新煤矿迫切需要解决的问题。多年来由于全矿广大职工和工程技术人员的努力, I. Overview Lixin Coal Mine is a coal mine with serious coal and methane. Since its establishment, there have been 190 outstanding number of outstanding records. Out of them, 150 times are prominent along the coal seam, accounting for 79% of the total number of outbursts. In the salient times along the coal seams, more than 114 times of the total number of outburst occurred in the machine lane, which is the main body of the liberation layer. Therefore, along the coal, semi-coal roadway heading prevention and control outstanding issues become an urgent need to solve the problem Lixin Coal Mine. Over the years due to the mine's vast number of workers and engineers and technicians efforts,