摘要
通过对桑峨矿井2#煤层突出危险性预评估,阐述了新建矿井在煤与瓦斯突出危险性预评估过程中评估方法的选取、地勘钻孔瓦斯含量的筛选及修正、瓦斯分布规律的研究、瓦斯地质图的绘制等。
Trough Preliminary risk assessment of coal and gas outburst of No. 2 coal seam in the Sang＇e Coal Mine,selection of assessment methods,selection and correction of gas content of geological exploration drilling,research of the gas distribution law and plotting the gas geological map were elaborated during the preliminary risk assessment of coal and gas outburst in newly-built mine.
出处
《中国煤炭》
北大核心
2015年第11期111-113,共3页
China Coal
关键词
新建矿井
煤与瓦斯突出
危险性预评估
瓦斯含量
newly-built mine
coal and gas outburst
preliminary risk assessment
gas con-tent
