Support Technology Optimization and Application for Reusable Roadways with Large Burial Depth and Deformation
In order to solve the problem of severe deformation and convergence failure of reusable roadways under strong dynamic pressure,on-site mine pressure monitoring showed that the deformation of reusable roadways had obvious hysteresis,and can be divided into initial influence zone,severe influence zone,and stable zone according to their deformation characteristics.The combination of one-time grouting reinforcement+anchor cable reinforcement+secondary grouting reinforcement was adopted on site.Engineering practice showed that the method of primary grouting reinforcement+anchor cable reinforcement+secondary grouting reinforcement effectively controled harmful deformation of the roadway and meet the mining needs of 1310 working face in the later stage.
NETL
NSTL
万方数据
