Olive-shaped anti-slip key grouted anchoring supporting blasting anchor rod
An anti-skid key and olive-shaped technology, which is applied in the field of rock and soil slope reinforcement and support, can solve the problems of long time consumption, unsatisfactory slope reinforcement effect, and large engineering volume.
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[0016] Such as Figure 1~4 As shown, the olive-shaped anti-skid key is grouted to anchor and support the blasting bolt, which includes a bolt body 4, a pad 6, a backing plate 7, and a nut 8. Both the base 6 and the backing plate 7 are provided with bolt holes; the top of the anchor rod body 4 passes through the anchor holes of the pad 6 and the backing plate 7 in turn and is connected with the nut 8; the anchor rod body 4 corresponds to the rock and soil The position of the weak sliding structure surface 5 of the side slope of the body 1 is provided with a cylindrical protective cover 17 within the range of 0.5m~1.5m from the top to the bottom, and a cylindrical blasting tube equipped with a detonator 10 is provided outside the cylindrical protective cover 17. Charge 12; Detonator 10 is connected with detonator leg line 11.
[0017] Wherein: the top of the anchor rod body 4 is provided with threads.
[0018] When in use, (1) according to the design requirements, drill holes ...
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