Based on influence of roof disaster in digging process, prevention measures were prepared in advance. Taking Shanxi Huarong Longgong Coal Industry Corporation as an example, its measures to prevent roof disaster were introduced, design calculation of roof support was made with monitoring.
Based on influence of roof disaster in digging process, prevention measures were prepared in advance. Taking Shanxi Huarong Longgong Coal Industry Corporation as an example, its measures to prevent roof disaster were introduced, design calculation of roof support was made with monitoring.
刘旭辉. 龙宫煤业煤矿掘进巷道顶板灾害防治技术研究[J]. 煤炭与化工, 2017, 40(3): 64-66.
Liu Xuhui. Study on roof disaster preventioin and control technology in excavation roadway of Longgong Coal Mine. CCI, 2017, 40(3): 64-66.
