摘要
根据工作面掘进期间瓦斯突出危险性、瓦斯涌出特点及回采前瓦斯预抽效果等资料的综合分析 ,对回采工作面进行块段划分并有针对性地采取工作面瓦斯抽放、浅孔松动爆破、控制回风流瓦斯浓度等防治突出措施 ,有效地防止了回采期间煤与瓦斯突出 .
According to the comprehensive analysis of the information such as the danger of gas outburst and the feature of gas emission during tunneling the working face, the effect of gas predrainage before mining, the working face divided into several blocks and some special measures of preventing outburst to avoid the outburst of coal and gas effectively during mining have been presented.
出处
《焦作工学院学报》
2000年第3期165-168,共4页
Journal of Jiaozuo Institute of Technology(Natural Science)
关键词
突出工作面
瓦斯
综合治理
outburst face
gas
comprehensive harness
