摘要
冲击地压是深部井巷工程最严重的自然灾害之一。通过在完整的巷道底板开凿卸压槽,人为地形成应力集中点,并在卸压槽内充填和巷道表面喷涂新型柔性材料,使开巷道施工过程中岩石中聚集的压能得到逐步释放,从而避免了破坏性冲击地压的发生,表明卸压槽与新型柔性材料相结合的工艺对防止巷道冲击地压是非常有效的工艺。
By digging a pressure relieve groove along the two sides of the floor of a laneway and supporting the ceiling and side wall of the laneway with a newly developed soft material, sudden collapse of the rock during deformation is avoided, rock burst is thereby prevented successfully.
出处
《科技创新导报》
2019年第4期63-65,共3页
Science and Technology Innovation Herald
关键词
冲击地压
卸压槽
柔性材料
Tension relief groove
Rock burst
Soft material
