Aiming at the abnormal strata behavior in the advance entry of 1303 fully-mechanized working face in Xinglongzhuang coal mine, the movement rule, characteristic, step distance of fracturing, position and mode of fracturing of the overlying strata in minin
Aiming at the abnormal strata behavior in the advance entry of 1303 fully-mechanized working face in Xinglongzhuang coal mine, the movement rule, characteristic, step distance of fracturing, position and mode of fracturing of the overlying strata in minin
摘要针对兴隆庄煤矿－采区1303综放工作面超前平巷发生奇异压力的现象，采用关键层理论对在采动过程中的上覆岩层运动规律进行了详细的力学分析，研究了它们的运动特征、破断步距、断裂位置、断裂方式以及对工作面及其超前平巷的来压规律，对比分析了该工作面矿压实测数据与理论研究成果。