论文部分内容阅读
介绍了岩巷揭穿突出危险煤层的施工程序 ,指出施工中应准确确定安全岩柱厚度 ,要对突出危险性进行预测 ,还应采取排放瓦斯钻孔技术防止瓦斯突出 ,同时应注意采取措施后效果的检验 ,可采用震动放炮的施工方法 .
This paper introduces the construction procedure of exposing the rock roadway to highlight the dangerous coal seam and points out that the thickness of the safety rock pillar should be accurately determined in the construction. In order to predict the prominent danger, we should take the gas drainage technology to prevent gas outburst and pay attention to the effect The test can be shocking blasting construction methods.