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.