底板岩巷掘进超前探测防治灾害技术

Technology of Preventing and Controlling Disaster in Advance Detection of Floor Rock Roadway

新义井田地质条件复杂,开采煤层厚度和煤层顶底板变化较快,煤层具有突出危险性,底板受高承压含水层的威胁,研究采取钻探和物探两种手段进行超前探测,防治瓦斯和水害事故,不仅保证底板岩巷的安全掘进,同时也提高底板岩巷的掘进效率。

The geological conditions of the Xinyi Well are complicated,the thickness of the coal seam and the roof and floor of the coal seam are changed quickly.The coal seam has protruding danger,and the floor is threatened by the high pressure aquifer.The two means of drilling and geophysical exploration are adopted to carry out the advance detection and prevent the gas and water accidents,which not only ensures safe tunneling of floor rock roadway,but also improves tunneling efficiency of floor rock roadway.