Yielding type special-shaped beam anchor rope truss roadway support system
A technology of anchor cable truss and roadway support, which is applied in the installation of anchor rods, mining equipment, earthwork drilling and mining, etc. It can solve the problems of high support cost, shearing and slipping of the roof, and deformation of the roof separation layer, so as to avoid bearing capacity The effects of loss, ensuring integrity, and large adjustment space
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[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0022] Such as Figure 1-5 As shown in the figure, a support system for a roadway support system of pressure relief special-shaped beam anchor cable truss includes special-shaped beam 3, pressure relief device 5, anchor cable 2, anchor rod 1, tray and metal mesh 4, and metal mesh 4 is laid on the surface of the roadway. On the roof of the coal rock or on the side of the road, there is a relief-shaped special-shaped beam and anchor cable truss. The special-shaped beam 3 is equipped with several anchor cables 2 or anchor rods 1 . Special-shaped beams 3 and steel belts 8 are arranged at intervals under the coal-rock roof, anchor cables 2 pass through the special-shaped beams 3 and metal mesh 4 and are anchored into the rock formation, and the anchor cables 2 are stretched and fixed with the special-shaped beams 3 to form prestress. The top plate forms an...
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