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根据山东鑫国煤电有限责任公司矿井十层煤开采实践,分析了煤层倾角在15-25°条件下,采用炮采俯斜开采时工作面顶板安全技术管理中存在的支柱的迎山角、支柱初撑力与工作阻力、支拄钻底、工作面支架稳定性、上下端头支护等问题,提出了技术管理措施。
According to the practice of 10 coal seam mining in Shandong Xin Guo Coal and Electricity Co., Ltd., The hill angle of the pillar existing in the roof safety technology management of caving mining face with caving mining is analyzed under the condition of coal seam dip angle of 15-25 °. Pillar propping force and working resistance, support Zhu drilling at the bottom, the stability of the face support, upper and lower support and other issues, put forward technical management measures.