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根据矿压观测 ,分析了良庄矿煤厚 2 8m一次采全高单体支护工作面矿压显现规律及特点 ,论述了大采高高档普采工作面改善顶板管理的措施及其成效。
According to the rock pressure observation, the law and characteristics of the underground pressure in the fully mechanized top coal caving face with height of 28 m in Xuzhuang Mine were analyzed. The measures to improve the roof management of the high mining area with high mining grade and normal mining face were discussed.