Olive-shaped anti-skid key grouting anchor support blasting bolt

An anti-sliding key and olive-shaped technology is applied in the field of soil slope reinforcement and support, which can solve the problems of engineering safety threats, unsatisfactory reinforcement effect, and large disturbance of slope rock and soil mass.
CN103774651BInactive Publication Date: 2016-01-20LANZHOU UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LANZHOU UNIVERSITY
Publication Date
2016-01-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an olive-shaped anti-slip key grouted anchoring supporting blasting anchor rod which comprises an anchor rod body, a pad seat, an inserted plate and a nut. The pad seat and the inserted plate are respectively provided with an anchor rod hole; the top of the anchor rod body sequentially penetrates through the anchor rod hole in the pad seat and the anchor rod hole in the inserted plate and is connected with the nut; the positions, corresponding to a rock and earth mass slope weak slip structure face, of the anchor rod body and the range 0.5 m-1.5 m away from the top and the bottom of the anchor rod body are provided with cylindrical protective sleeves; cylindrical explosives with detonators are arranged outside the cylindrical protective sleeves; the detonators are connected with detonator wires. The anchor rod is simple in structure, convenient to construct and low in cost, a novel composite olive-shaped reinforced anti-slip key-surrounding rock fracture grouting-anchoring slope strengthening and supporting system is built, comprehensive three-dimensional landslide prevention with the slip face as an anti-slip focus and involving rock and earth mass strengthening by means of anchor groups composed of multiple anchor rods is achieved, and slope stability and safety are improved.
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Description

technical field

[0001] The invention relates to a rock-soil slope reinforcement and support technology with a clear sliding structural plane, in particular to an olive-shaped anti-sliding key grouting anchoring support blasting bolt. Background technique

[0002] At present, no matter the slope formed by natural or artificial excavation, the rock-soil structural plane is one of the main controlling factors of its stability. The existence and characteristics of the weak structural plane have great influence on the deformation and failure mode and scale of the slope. Decisive control, especially for weak structural planes with gentle inclinations, which play an absolute control role on the stability of the slope. Due to the low strength of the weak structural planes, the large deformation and instability of the slope are caused. Therefore, the landslide along the structural plane is the The main disease types and control objects of similar slopes.

[0003] Slope landslides wi...

Claims

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