The tunnel roof support is a passive support for coal mine support. It has high tensile strength and compressive strength. At the same time, it has good toughness properties, high support force, and strong support strength. It is used in mine u lane, especially in deep complicated roadway and soft coal seam roadway.
The application of tunnel roof support at the intersection of mining accurate roadway has achieved significant results. The use of the retractable support of tunnel roof support has better solved the problem of excavation and support. Compared with other rigid supports, the tunnel roof supports have the ability of shrinking and stable and reliable bearing capacity, adapting to the load and deformation of soft surrounding rocks, high cross-section utilization rate, easy support support, small maintenance, high support recycling rate, and reducing pit The use of wood has obvious environmental benefits.
The use of the tunnel roof bracket can effectively reduce the occurrence of accidents such as roof fall and sheet gangs, which is safe and reliable, and improves the stability of the mine ventilation system. The use of U-shaped steel retractable brackets can better solve the problem of excavation and support.
Tunnel roof support main features:
The use of a tunnel roof support is safe and reliable, effectively reducing the occurrence of accidents such as roof fall and chipping, and improving the stability of the mine ventilation system.
