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Umbrella-shaped light anchor rod, slope supporting structure and construction method of slope supporting structure

A kind of supporting structure, light technology, applied in the direction of foundation structure engineering, excavation, sheet pile wall, etc., can solve the problem that the supporting effect is difficult to guarantee, and achieve the effect of improving the supporting effect, improving the integrity, and reducing the environmental impact.

Pending Publication Date: 2021-10-22
HARBIN INST OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But on the other hand, the bolt support is a hidden support, and it is difficult to guarantee the support effect when it is used for some soil or rock slopes with large deformation, especially for the deformation and displacement of the deep part of the slope.

Method used

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  • Umbrella-shaped light anchor rod, slope supporting structure and construction method of slope supporting structure
  • Umbrella-shaped light anchor rod, slope supporting structure and construction method of slope supporting structure
  • Umbrella-shaped light anchor rod, slope supporting structure and construction method of slope supporting structure

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0038] An umbrella-shaped lightweight anchor rod, including a rod body 11, an anchor head 12, a slip joint 13, a pressure bearing plate 14, steel strands, several adjustable anchor plates 15 and several support rods 16, the anchor head 12 fixed on the bottom end of the rod body 11, the sliding joint 13 is fixedly arranged on the rod body 11, the pressure bearing plate 14 is located between the sliding joint 13 and the anchor head 12 and is slidably connected to the rod body 11, the several One end of the adjustable anchor plate 15 is hinged with the sliding joint 13, and the plurality of support links 16 correspond to several adjustable anchor plates 15, and one end of each support link 16 is connected to the corresponding adjustable anchor plate. 15 is hinged at the end away from the sliding joint 13, and the other end is hinged with the pressure plate 14. The rod body 11 is a hollow structure, and a through hole is provided on the bottom side wall of the rod body 11, and the ...

specific Embodiment approach 2

[0041] An umbrella-shaped lightweight anchor rod, including a rod body 11, an anchor head 12, a slip joint 13, a pressure bearing plate 14, steel strands, several adjustable anchor plates 15 and several support rods 16, the anchor head 12 Fixed on the bottom end of the rod body 11, the sliding joint 13 is slidably arranged on the rod body 11, the pressure bearing plate 14 is located between the sliding joint 13 and the anchor head 12 and is slidably connected to the rod body 11, the sliding A limit structure 17 is fixedly arranged on the rod body 11 between the joint 13 and the pressure bearing plate 14, and one side end of the several adjustable anchor plates 15 is hinged with the sliding joint 13, and the several support connecting rods 16 Corresponding to several adjustable anchor plates 15, one end of each support link 16 is hinged with the end of the corresponding adjustable anchor plate 15 away from the sliding joint 13, and the other end is hinged with the pressure beari...

specific Embodiment approach 3

[0045]A slope support structure comprising the umbrella-shaped lightweight anchors described in Embodiment 1 includes several umbrella-shaped light anchors 1 and several prefabricated lattice beams 2, and the several prefabricated lattice beams 2 are laid on On the slope body 3, the several umbrella-shaped light anchor rods 1 are inserted into the slope body 3 at the intersection of the prefabricated lattice beams 2, and the top of each umbrella-shaped light anchor rod 1 is fixed by a fixing nut 4 Both it and the prefabricated lattice beam 2 are fixed on the slope body 3 .

[0046] Further, the slope support structure also includes a concrete spray layer 5, the concrete spray layer 5 is arranged on the surface of the slope body 3, and the several prefabricated lattice beams 2 are arranged on the concrete spray layer 5, the umbrella-shaped lightweight anchor rod 1 is inserted into the slope body 3 through the concrete spray layer 5.

[0047] Further, the slope support structur...

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Abstract

The invention discloses an umbrella-shaped light anchor rod, a slope supporting structure and a construction method of the slope supporting structure, and belongs to the technical field of slope engineering. The specific scheme is as follows, the umbrella-shaped light anchor rod comprises a rod body, an anchor head, a sliding joint, a bearing plate, a steel strand, a plurality of adjustable anchor plates and a plurality of supporting connecting rods, the anchor head is fixed at the bottom end of the rod body, the sliding joint is fixed on the rod body, the bearing plate is located between the sliding joint and the anchor head and slidably connected to the rod body, the ends of one sides of the adjustable anchor plates are hinged to the sliding joint, the supporting connecting rods correspond to the adjustable anchor plates, one end of each supporting connecting rod is hinged to the end, away from the sliding joint, of the corresponding adjustable anchor plate, the other end of each supporting connecting rod is hinged to the bearing plate, the rod body is of a hollow structure, a through hole is formed in the side wall of the bottom end of the rod body, the steel strand is arranged in the hollow structure of the rod body, one end of the steel strand penetrates through the through hole to be connected with the bearing plate, and the other end of the steel strand extends out of the top end of the rod body. After the anchor rod is inserted into a slope body, the adjustable anchor plates are opened, and the supporting effect of the anchor rod is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of slope engineering, and in particular relates to an umbrella-shaped light anchor rod, a slope support structure and a construction method thereof. Background technique [0002] With social progress and economic development, more and more areas are involved in slope engineering issues in engineering activities. Through long-term engineering practice, engineering geologists have formed a relatively complete theoretical system for slope engineering, but the new The light slope protection structure system still has broad research prospects. [0003] As a light support structure, bolt support is widely used in the construction of slopes, deep foundation pits and tunnels. It has the advantages of low cost, easy operation, flexible use, good support effect, and less construction clearance. But on the other hand, bolt support is a hidden support, and it is difficult to guarantee the support effect when it is used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/74E02D17/20
CPCE02D5/74E02D17/20
Inventor 凌贤长朱磊陈宏伟丛晟亦邢文强胡意如程志和李新宇卢凡唐亮
Owner HARBIN INST OF TECH