CN212026273U - Slope prestress anchoring device of non-steel waist beam - Google Patents

Slope prestress anchoring device of non-steel waist beam Download PDF

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Publication number
CN212026273U
CN212026273U CN202020482715.6U CN202020482715U CN212026273U CN 212026273 U CN212026273 U CN 212026273U CN 202020482715 U CN202020482715 U CN 202020482715U CN 212026273 U CN212026273 U CN 212026273U
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CN
China
Prior art keywords
steel
backing plate
slope
anchor
steel backing
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Expired - Fee Related
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CN202020482715.6U
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Chinese (zh)
Inventor
项龙江
闫文进
龙照
曹程明
李小伟
时轶磊
刘志刚
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Gansu CSCEC Municipal Engineering Investigation and Design Institute Co Ltd
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Gansu CSCEC Municipal Engineering Investigation and Design Institute Co Ltd
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Priority to CN202020482715.6U priority Critical patent/CN212026273U/en
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Publication of CN212026273U publication Critical patent/CN212026273U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of the excavation supporting engineering and specifically relates to a slope prestressed anchorage device of no steel waist rail is applicable to the fixing device of stock or anchor rope. The utility model discloses a side slope prestressed anchorage device of no steel waist rail, including the stock, reinforcing bar net, steel backing plate, anchor head and steel nail, steel backing plate is equipped with many steel nails and stock, and this structure can be connected stock, anchor head and reinforcing bar net surface course, domatic soil layer as whole effectively, avoids anchor head cheap and lax and the prestressing loss who arouses to cause the influence to foundation ditch lateral wall stability, causes the influence to construction operation environment and time limit for a project.

Description

Slope prestress anchoring device of non-steel waist beam
Technical Field
The utility model belongs to the technical field of the excavation supporting engineering and specifically relates to a slope prestressed anchorage device of no steel waist rail is applicable to the fixing device of stock or anchor rope.
Background
In the design and construction process of a composite soil nailing wall supporting structure, generally, transverse channel steel or double-spliced channel steel is adopted for reinforcing the end heads of the prestressed anchor rods or anchor cables, and then the prestressed anchor rods or anchor cables are tensioned and fixed, but in the actual construction process, for considering the construction convenience and the construction period influence, the factors influencing the construction quality of the supporting structure, such as simplification of construction procedures by construction units, infirm welding between reinforcing steel bars and the like, often appear. For the composite soil nailing wall supporting structure, the stress loss of the prestressed anchor rods or the anchor cables of the composite soil nailing wall supporting structure greatly influences the supporting effect of the composite soil nailing wall, further influences the stability of the side wall of the foundation pit, and generates potential safety hazards to construction operation and the like in the foundation pit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a slope prestressed anchorage pole locking technique of no steel waist rail is provided, this structure can be connected stock, anchor head and reinforcing bar net surface course, domatic soil layer as whole effectively, avoids anchor head cheap and lax and the prestressing loss that arouses to cause the influence to foundation ditch lateral wall stability, causes the influence to construction operation environment and time limit for a project.
For solving the problem, the utility model discloses a side slope prestressed anchorage device of no steel waist rail, including the stock, the reinforcing bar net, the steel backing plate, the anchor head, steel nail and regulation hole, the steel backing plate is equipped with many steel nails, many steel nails are established in steel backing plate one side, the stock divide into screw thread regulation section and anchor section, set up the regulation hole on the slope, the laminating of reinforcing bar net is in the slope outside, the anchor section of stock passes reinforcing bar net and steel backing plate, the anchor section setting of stock is in the regulation hole, spout concrete and lay reinforcing bar net and steel backing plate in the slope outside and the regulation hole, the steel nail of steel backing plate passes the reinforcing bar net and fixes in the slope outside, form the pre-fixing surface course after waiting for the concrete solidification, the anchor head is connected at the screw thread regulation section of stock, the anchor head compresses tightly steel backing plate and reinforcing bar net, steel backing plate and the reinforcing bar net outside spray concrete and form fixed surface. The compaction force and the position of the reinforcing mesh and the steel backing plate can be adjusted through the movement of the anchor head on the anchor rod.
And the anchor head is connected with a protective rubber sleeve. The connection state and the later fastening adjustment can be conveniently checked at any time.
The steel backing plate is circular, and one side of steel backing plate is equipped with many steel nails, and many steel nails are equidistant to be laid. The multi-point locking is convenient, the multi-point stress is uniform, and the fixing firmness of the slope edge is improved.
The anchoring section is a rod body or a chain. The anchor section is according to the slope side size selection body of rod or chain, and the narrow and small place in mounted position is more applicable to the chain anchor, helps reducing regulation hole trompil size.
The anchoring section is provided with a locking block, so that the firmness of the whole anchor cable is improved.
And the plurality of steel nails are distributed along the circle center matrix of the steel base plate. Form the multi-point blocking anchor, promote whole anchoring performance.
The steel backing plate is circular, and steel backing plate one side is equipped with many steel nails, and many steel nails are laid along steel backing plate circumferencial direction equidistant.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses it is fixed with domatic soil layer that steel backing plate class passes through the steel nail, still the stock locking is accomplished the back at stock stretch-draw process, and it does not exist and leads to prestressing loss because of steel backing plate takes place the skew.
2. The utility model discloses its construction process of well stock correspondence circular steel backing plate is simple, and its area of contact is big, and it is effectual to pass power, and prestressed anchorage pole stretch-draw domatic soil body protection is better.
3. The utility model discloses in, circular steel backing plate and anchor head construction completion back spray concrete surface course have protected stock, reinforcing bar net and steel backing plate effectively, avoid rainwater etc. to the end corrosion damage.
The round steel backing plate is positioned on the outer side of the slope, and when the anchor rod is tensioned, the anchor head on the outer side of the steel backing plate can transfer force to the steel backing plate and further transfer force to a slope soil layer; the length of the steel nail connected with the steel backing plate is determined according to the condition of the slope soil layer, the steel backing plate is prevented from sliding down the slope, and the steel nail can be processed by adopting deformed steel. Therefore, how to reasonably and effectively fix the anchor head of the prestressed anchor rod or the anchor cable avoids overlarge prestress loss, and has better practical value and social benefit for ensuring the construction quality of the composite soil nailing wall and the stability of the side wall of the foundation pit.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the connection structure of the present invention;
FIG. 2 is a schematic view II of the connection structure of the present invention;
fig. 3 is a top view of the connection structure of the present invention.
In the figure: anchor rod 1, reinforcing mesh 2, steel backing plate 3, anchor head 4, fixed surface course 5, steel nail 6, adjusting hole 7, protective rubber sleeve 8, pre-fixed surface course 9, side slope 10, 11 hasp piece.
Detailed Description
The slope pre-stressed anchoring device without the steel wale comprises an anchor rod 1, a reinforcing mesh 2 and a steel backing plate 3, anchor head 4, steel nail 6 and regulation hole 7, backing plate 3 is equipped with many steel nails 6, many steel nails 6 are established in backing plate 3 one side, anchor rod 1 divide into screw thread regulation section and anchor section, set up regulation hole 7 on the side slope 10, reinforcing bar net 2 laminating is outside side slope 10, the anchor section of anchor rod 1 passes reinforcing bar net 2, the anchor section of anchor rod 1 sets up in regulation hole 7, spout concrete and lay reinforcing bar net 2 and backing plate 3 in the side slope 10 outside and regulation hole 7, reinforcing bar net 2 is fixed in the side slope 10 outside to steel nail 6 of backing plate 3 passes reinforcing bar net 2, form pre-fixing surface course 9 after the concrete sets, anchor head 4 connects the screw thread regulation section at anchor rod 1, anchor head 4 compresses tightly backing plate 3 and reinforcing bar net 2, reinforcing bar net 2 outside spouts concrete and forms fixed surface course 5.
And the anchor head 4 is connected with a protective rubber sleeve 8. The steel backing plate 3 is a circular plate, a plurality of steel nails 6 are arranged on one side of the steel backing plate 3, and the steel nails 6 are arranged at equal intervals. The anchoring section is a rod body or a chain. The anchoring section is provided with a locking block 11 as shown in fig. 2. The tensioning adjusting strength can be further improved, and the steel nails 6 are distributed along the circle center matrix of the steel base plate 3.
To this utility model connection structure, the size of steel nail 6 and circular steel backing plate 3 can be confirmed according to soil nail interval and reinforcing bar net interval, and minimum must not be less than 1.5 times reinforcing bar net reinforcing bar interval. The anchor rod 1 penetrates through the circular steel base plate 3 and the reinforcing mesh 2, and the processing length of the anchor rod is larger than that of the anchor rod to meet the requirement of tensioning construction. The anchor head 4 positioned on the outer side of the circular steel base plate can be locked after the anchor rod is tensioned, the steel base plate 3 is fixed in the soil body through a steel nail 6, and the circular steel base plate, the steel bar mesh and the slope are tightly connected. The sprayed concrete surface layer positioned on the outer side can protect the round steel base plate, the nut and the like, and damage such as rainwater corrosion is avoided.
When in use, the utility model is used,
1. the steel backing plate 3 and the steel nail 6 are connected in a welding mode;
2. the slope edge is provided with an adjusting hole 7 and is filled with concrete slurry, a steel bar mesh 2 and a steel base plate 3 are laid, the anchoring section of the anchor rod 1 penetrates through the steel bar mesh 2 and the steel base plate 3, the anchoring section of the anchor rod 1 penetrates into the adjusting hole 7, and a pre-fixing surface layer 9 is formed after the concrete is solidified;
3. the anchor head 4 is connected with the thread adjusting section of the anchor rod 1, and the anchor head 4 compresses the steel backing plate 3 and the steel mesh 2;
4. the steel backing plate 3 and the reinforcing mesh 2 are sprayed with concrete to form a fixed surface layer 5.
In addition, in the later stage, if the anchor rod becomes loose, the protective rubber sleeve 8 can be removed, and the anchor head 4 is hung and screwed again for tensioning and locking.
The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (6)

1. A slope prestress anchoring device without a steel waist beam is characterized by comprising an anchor rod (1), a steel mesh (2), a steel backing plate (3), an anchor head (4), steel nails (6) and adjusting holes (7), wherein the steel backing plate (3) is provided with a plurality of steel nails (6), the plurality of steel nails (6) are arranged on one side of the steel backing plate (3), the anchor rod (1) is divided into a thread adjusting section and an anchoring section, the slope (10) is provided with the adjusting holes (7), the steel mesh (2) is attached to the outer side of the slope (10), the anchoring section of the anchor rod (1) penetrates through the steel mesh (2) and the steel backing plate (3), the anchoring section of the anchor rod (1) is arranged in the adjusting holes (7), the outer side of the slope (10) and the adjusting holes (7) are sprayed with concrete and paved with the steel mesh (2) and the steel backing plate (3), the steel nails (6) of the steel backing plate (3) penetrate through the steel mesh (2) and are fixed on the outer side, and after the concrete is solidified, a pre-fixing surface layer (9) is formed, the anchor head (4) is connected to the thread adjusting section of the anchor rod (1), the anchor head (4) compresses the steel backing plate (3) and the reinforcing mesh (2), and the concrete is sprayed on the outer sides of the steel backing plate (3) and the reinforcing mesh (2) to form a fixing surface layer (5).
2. The slope prestress anchoring device of the steel-free wale according to claim 1, wherein a protective rubber sleeve (8) is connected to the anchor head (4).
3. The slope pre-stressed anchoring device of the steel-free wale according to claim 1, wherein the steel backing plate (3) is a circular plate, one side of the steel backing plate (3) is provided with a plurality of steel nails (6), and the plurality of steel nails (6) are arranged at equal intervals.
4. The pre-stressed anchoring device for side slope of non-steel wale according to claim 1, wherein the anchoring section is a rod body or a chain.
5. The slope prestress anchoring device for the steel-free wale according to claim 1, wherein the anchoring section is provided with a locking block (11).
6. The slope pre-stressed anchoring device for the steel-free wale according to claim 3, wherein the plurality of steel nails (6) are distributed along a circle center matrix of the steel backing plate (3).
CN202020482715.6U 2020-04-06 2020-04-06 Slope prestress anchoring device of non-steel waist beam Expired - Fee Related CN212026273U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020482715.6U CN212026273U (en) 2020-04-06 2020-04-06 Slope prestress anchoring device of non-steel waist beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020482715.6U CN212026273U (en) 2020-04-06 2020-04-06 Slope prestress anchoring device of non-steel waist beam

Publications (1)

Publication Number Publication Date
CN212026273U true CN212026273U (en) 2020-11-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020482715.6U Expired - Fee Related CN212026273U (en) 2020-04-06 2020-04-06 Slope prestress anchoring device of non-steel waist beam

Country Status (1)

Country Link
CN (1) CN212026273U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112900448A (en) * 2021-01-19 2021-06-04 湖北理工学院 Foundation ditch support is with slope prestressed anchorage device of no steel waist rail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112900448A (en) * 2021-01-19 2021-06-04 湖北理工学院 Foundation ditch support is with slope prestressed anchorage device of no steel waist rail

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201127

Termination date: 20210406

CF01 Termination of patent right due to non-payment of annual fee