【摘要】 针对石港煤业公司15203综采工作面回采巷道端头后方顶板不易垮落的问题,采用静态破碎的方法来缩短悬顶距离,通过实验,确定了静态破碎的各项参数,在石港煤业公司15203综采工作面回采巷道端头顶板应用后,取得了良好效果。更多还原

【Abstract】 In view of the problem that the top plate behind the end of the mining roadway of the 15203 fully mechanized mining face of Shigang Coal Mining Company is not easy to fall, the method of static crushing is used to shorten the distance of the suspended roof. Through experiments, the parameters of static crushing are determined. After the application of the top plate of the mining roadway of the 15203 fully mechanized mining face, the company achieved good results.更多还原