为了解决大同煤集团永定庄煤矿15#煤层巷道顶板的破碎问题,采用实验室试验、现场实测及理论分析相结合的方法,系统研究了支护方案,确定了支护参数,进行了支护设计,通过井下工业性实验.%In order to solve the broken problem of 15 # coal seam roadway roof in Yongdingzhuang Coal Mine of Datong Coal Mine Group, this paper combined the laboratory tests, field measurement and the method of theoretical analysis, made systematic study of the support scheme, determined the support parameters, conducted support design, which achieved good supporting effect through the underground industrial experiments.
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