U型钢＋工字钢联锁与锚注加固技术在巷道维修中的应用

白坪煤业公司11采区轨道运输上山受地应力及采动影响，巷道变形严重，经过对围岩应力的分析，采取u型钢＋工字钢联锁与锚注加固技术对巷道进行维修加固。通过实践证明，使用U型钢＋工字钢联锁与锚注加固技术，效果比较明显，有效的控制了巷道的变形。满足了安全生产的需要。

U Shaped Steel ＋ Range with Anchor Chain of Laneway Maintenance Strengthening Technology in the Application

BaiPing coal mining company and railway transportation up the hill and mining influence by ground stress, deformation of serious after the analysis of the surrounding rock stress, take U shaped steel ＋ range with anchor note reinforcement technique interlocking to entry maintenance and reinforcement. Through the practice has proved, use the U steel ＋ range with anchor note reinforcement technique interlocking, more obvious effects, effective control of the roadway deformation, meet the need of production safety.