Tunnel roof support according to the specific site conditions, the flexibility to choose model, structure form and the tent of u-shape set distance, correctly guiding the construction of the tunnel roof of roadway support, to ensure the effective and reliable to work, to speed up the drivage, reduce the amounts of the late repair, guarantee the safety in production, extend the length of service, achieve better technical and economic benefits, give full play to the bracket support performance has important significance.
Although mine tunnel roof support is easy to use, but also pay attention to the late maintenance, to extend the service life. Tunnel roof support main commercial features: mining tunnel roof support to accept pressure, support time for a long time, easy device is not easy to deformation.
