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A tension-resistant support type anti-floating anchor structure

An anti-floating anchor and support type technology, which is applied in the direction of foundation structure engineering, construction, sheet pile wall, etc., can solve the problem of low adhesion, achieve the effect of improving quality, increasing contact area and shortening length

Active Publication Date: 2016-01-27
中冶成都勘察研究总院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of low cohesion with rock and soil in the existing bolt structure, the present invention provides a tension-resistant support type anti-floating bolt structure, which can improve the adhesion between the bolt structure and rock and soil force, improve the anchoring force between the anchor structure and the rock and soil mass, and at the same time reduce the length of the anchor and save materials

Method used

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  • A tension-resistant support type anti-floating anchor structure
  • A tension-resistant support type anti-floating anchor structure
  • A tension-resistant support type anti-floating anchor structure

Examples

Experimental program
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Effect test

Embodiment 1

[0038] The tensile support type anti-floating anchor structure of this embodiment includes an anchor rod, a grouting body and an anchor hole opened on the rock and soil body, one end of the anchor rod extends into the anchor hole, and the grouting body is filled in the anchor hole Bonded with the rock and soil as a whole, the aperture at the lower end of the anchor hole is larger than the aperture at the upper end of the anchor hole; the anchor rod includes a fixed bracket, and the outer circumference of the fixed bracket is provided with at least one anchor steel bar, and the outer circumference of the anchor bar steel bar is provided with The binding bracket; the anchor rod steel bar is fixed between the fixed bracket and the binding bracket.

Embodiment 2

[0040] The tensile support type anti-floating anchor structure of this embodiment includes an anchor rod, a grouting body and an anchor hole opened on the rock and soil body, one end of the anchor rod extends into the anchor hole, and the grouting body is filled in the anchor hole Bonded with the rock and soil as a whole, the aperture at the lower end of the anchor hole is larger than the aperture at the upper end of the anchor hole; the anchor rod includes a fixed bracket, and the outer circumference of the fixed bracket is provided with three anchor bars evenly arranged, and the outer circumference of the anchor bar is sleeved There is a binding bracket; the anchor rod steel bar is fixed between the fixed bracket and the binding bracket.

Embodiment 4

[0042] The tensile support type anti-floating anchor structure of this embodiment includes an anchor rod, a grouting body and an anchor hole opened on the rock and soil body, one end of the anchor rod extends into the anchor hole, and the grouting body is filled in the anchor hole Bonded with the rock and soil as a whole, the aperture at the lower end of the anchor hole is larger than the aperture at the upper end of the anchor hole; the anchor rod includes a fixed bracket, and the outer circumference of the fixed bracket is provided with three anchor bars evenly arranged, and the outer circumference of the anchor bar is sleeved There is a binding bracket; the anchor rod steel bar is fixed between the fixed bracket and the binding bracket.

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Abstract

The invention discloses a tensile support type anti-floating anchor structure. The tensile support type anti-floating anchor structure is used for solving the problem that the anchoring strength to a rock-soil body of an existing anchor structure is poor. The tensile support type anti-floating anchor structure comprises an anchor rod, a grouting body and an anchor eye formed in the rock-soil body, wherein one end of the anchor rod stretches into the anchor eye, the grouting body is arranged in the anchor eye and integrally adheres to the rock-soil body, the diameter of the lower end of the anchor eye is larger than that of the upper end of the anchor eye, the anchor rod comprises a fixing support, at least one anchor rod steel bar is arranged on the outer circumference of the fixing support, and a binding support is arranged on the periphery of each anchor rod steel bar in a sleeved mode. According to the tensile support type anti-floating anchor structure, by changing the structure of a traditional anchor eye and the structure of a traditional anchor rod, the contact area between the anchor rod structure and the rock-soil body is enlarged, and the anchoring strength to the rock-soil body of the anchor rod structure is increased; the anchoring strength to the rock-soil body of the anchor rod structure is increased without the need of lengthening the anchor rod, the length of the anchor rod is reduced, and manufacturing cost is reduced.

Description

technical field [0001] The invention belongs to the field of engineering support, and in particular relates to a tensile support type anti-floating anchor rod structure, which is used for reinforcing and stabilizing rock and soil bodies and preventing rock and soil bodies from collapsing or deforming. Background technique [0002] At present, in the field of engineering support, the stability of the working face is a very important technical link, which directly affects the safety of life and property. Due to the movement of part of the rock and soil mass, the entire rock and soil mass loses its ability to withstand pressure. [0003] Usually, in order to stabilize the rock and soil mass, it is necessary to drill holes in the working face, use synthetic material injection pipes as anchor bolts to reinforce the holes, and then fill the holes with cement mortar as adhesives and fixing elements. [0004] as attached figure 1 In the prior art anchor structure, the existing anc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/74
Inventor 李耀家罗东林陈方渠彭涛高晓峰廖宏业
Owner 中冶成都勘察研究总院有限公司
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