Sharp inclined coal seam roadway supporting method
A technology of roadway support and steep inclination, which is applied in the direction of supporting the roof beam of the mine roof, tunnel, tunnel lining, etc., which can solve the problems of high cost of roadway support, difficult maintenance, serious deformation of the surrounding rock of the roadway, etc., to ensure long-term The effect of safety and stability, simple construction technology, and stable support structure
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[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0027] Please refer to figure 1 ,in, figure 1 It is a schematic diagram of the support structure of the steeply inclined coal seam roadway support method provided by the present invention. A method for supporting a roadway in a steeply inclined coal seam, comprising the following steps:
[0028] (1) Excavate roadway: Excavate the roadway according to the inclined roadway section, and clean up the dangerous rock on the face of the tunnel;
[0029] (2) Opening support: use the drilling rig to open the anchor hole for the anchor cable on the top surface of the roadway section. The diameter of the ear hole is Φ28mm. Belt and metal mesh, the metal mesh covers the roof of the roadway, the metal mesh is welded to the anchor rod and the anchor cable, and the gap between the metal mesh and the roof of the roadway is filled with the anchor cable on both sides ...
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