Rock bolt

    Rock bolt, in tunneling and underground mining, steel bar inserted in a hole drilled into the roof or walls of a rock formation to provide support to the roof or sides of the cavity,and it transfers load from the unstable exterior to the confined interior of the rock mass.
    Rock bolt reinforcement can be used in any excavation geometry, is simple and quick to apply, and is relatively inexpensive. The installation can be fully mechanized. The length of the bolts and their spacing can be varied, depending on the reinforcement requirements.Rock bolts can also be used to prevent rockfall.

View the Main products