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针对屯兰矿沿空巷道围岩变形特点,分析沿空巷道煤帮和顶板破碎的主要因素以及对沿空巷道围岩的影响,提出了适合大断面沿空巷道的支护方案和充填体内钢筋网加固方法,增加了沿空巷道围岩和充填体强度,巷道变形符合生产要求。
According to the deformation characteristics of the surrounding rock of Tunlan Mine, the main factors of coal gangway and roof crushing along the roadway and the impact on the surrounding rock of the roadway are analyzed, and the supporting schemes suitable for gob-side entry with large section and the reinforcing bars Reinforcement method of the network increases the strength of the surrounding rock and filling body of the roadway along the roadway and the deformation of the roadway conforms to the production requirements.