论文部分内容阅读
依据围岩松动圈巷道支护理论，解释锚杆支护机理，确定合理的锚杆支护参数。在南屯煤矿综放工作面顺槽进行锚网支护试验１０８０ｍ，最高月进４６０ｍ
According to the supporting theory of surrounding rock loose ring roadway, explain the bolt support mechanism and determine the reasonable bolt support parameters. In Nantun coal mine fully mechanized caving face to carry out anchor net support test 1080m, the maximum monthly into the 460m