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焦家金矿破碎顶板用注浆长锚索预加固,锚杆金属网联合支护,对防止顶板冒落、确保安全生产、提高矿石回收率等方面均取得了良好的效果。本文对支护结构和支护参数及护顶效果作了详细阐述。
The broken roof of Jiaojia Mine is pre-reinforced with grouting long anchor cable and the joint support of bolting metal mesh to achieve good results in preventing the roof from falling off, ensuring safety in production and increasing ore recovery rate. This article elaborates the supporting structure and supporting parameters and the effect of protecting the roof.