摘要
总结了某矿砌碹巷道变形破坏特征,数值模拟分析了砌碹巷道破坏机理,认为改善"支护-围岩"关系,使支护体和围岩形成有效承载体是保持砌碹巷道整体稳定的关键,据此提出了碹体壁后注浆充填的补强支护方案,并结合现场实际确定了采用高水充填材料注浆充填时合理的注浆管布置、注浆压力等参数,最终在工程实践中取得了良好的支护效果。
Summarizes the deformation and failure characteristics of a mine arch roadway, numerical simulation analysis of the damage mechanism of the arching roadway, that improve the ＂support and rock＂ relationship, so that the supporting body and the surrounding rock form an effective carrier is to maintain the overall archway puts forward the reinforcement support scheme of grouting filling after the arch body wall, and the parameters such as reasonable grouting pipe layout and grouting pressure are used to fill the grouting with high water achieved good support effect. filling material, and finally in the engineering practice has
出处
《煤炭技术》
北大核心
2017年第9期26-28,共3页
Coal Technology
关键词
砌碹巷道
壁后注浆
高水材料
brickwork roadway
backwall grouting
materials of high water
