Development History Of Underground Mine Steel Support For Coal Mine Roadway Support
Development History Of Underground Mine Roof Support For Coal Mine Roadway Support
Underground Roof Support Coal mine roadway support has experienced a long process of wood support, masonry support, section steel support and bolt support. Years of practical experience at home and abroad have shown that bolt support is an economical and effective supporting technology. Compared with shed support, bolt support significantly improves the effect of roadway support and reduces the cost of roadway support. Reduce the labor intensity of workers. Underground Roof Support more importantly, the bolt support greatly simplifies the endTunnel Roof Support and advanced support technology of the coal mining face, ensures safe production, and creates good conditions for the rapid advancement of the coal mining face and the substantial increase in coal output.Tunnel Roof Support.