CN215213548U - Anchor rod protection structure for tunnel or culvert construction - Google Patents
Anchor rod protection structure for tunnel or culvert construction Download PDFInfo
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- CN215213548U CN215213548U CN202121787754.8U CN202121787754U CN215213548U CN 215213548 U CN215213548 U CN 215213548U CN 202121787754 U CN202121787754 U CN 202121787754U CN 215213548 U CN215213548 U CN 215213548U
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Abstract
The anchor rod protection structure comprises a concrete protection layer arranged on one side of a rock-soil layer and an anchor rod connected between the concrete protection layer and the rock-soil layer, wherein a reinforcing mesh is arranged inside the concrete protection layer; the anchor rod is characterized in that a movable pipe body is arranged at one end of the anchor rod, a bending plate is fixedly connected to the inner wall of the anchor rod, a prick is fixedly connected to the outer surface of the end portion of the bending plate, and a prick hole through which the prick can pass is formed in the anchor rod. This application awl thorn set up, can go deep into to the rock-soil layer inside around the stock body of rod, has strengthened the resistance to plucking performance of stock, through barb and intercommunication mouthful setting, when pouring the concrete to the inside of stock, the concrete is finally by the blowout of intercommunication mouth, and the barb is connected with the concrete, has strengthened the joint strength of stock in rock-soil layer inside.
Description
Technical Field
The application relates to the technical field of engineering construction, in particular to an anchor rod protection structure for tunnel or culvert construction.
Background
The anchor rod protection is a reinforcing and supporting mode adopted in surface engineering such as side slopes, rock-soil deep foundation pits and the like and underground chamber construction such as tunnels, stopes and the like, a rod column is made of metal pieces, wood pieces, polymer pieces or other materials and is driven into a hole which is drilled in advance in surface rock bodies or rock bodies around the chambers, and the special structures of the head and the rod body and a tail supporting plate (which is not needed) are utilized or the surrounding rock and a stable rock body are combined together by depending on the bonding effect to generate a suspension effect, a combination beam effect and a reinforcing effect so as to achieve the purpose of protection.
At present, when being under construction to tunnel or culvert, the protective structure who often needs to use the stock supports the protection to the inner wall, however, current stock protective structure stability is not high, can't satisfy prior art needs.
SUMMERY OF THE UTILITY MODEL
In order to improve when tunnel or culvert construction, the not high problem of current stock protective structure stability, this application provides a tunnel or the stock protective structure of culvert construction usefulness.
The application provides an stock protective structure that tunnel or culvert construction was used adopts following technical scheme:
an anchor rod protection structure for tunnel or culvert construction comprises a concrete protection layer arranged on one side of a rock-soil layer and an anchor rod connected between the concrete protection layer and the rock-soil layer, wherein a steel bar net piece is arranged inside the concrete protection layer;
one end of the anchor rod is provided with a movable pipe body, the inner wall of the anchor rod is fixedly connected with a bending plate, the outer surface of the end part of the bending plate is fixedly connected with a prick, and the anchor rod is provided with a prick hole through which the prick can pass;
the other end of stock is provided with the conical head, the inside of stock is provided with the cavity cylinder, through honeycomb duct connection between cavity cylinder and the conical head, the skin weld of honeycomb duct has the barb, the surface of honeycomb duct is provided with the intercommunication mouth.
Through adopting above-mentioned technical scheme, through the setting of awl thorn, can go deep into to the ground in situ portion around the stock body of rod to the resistance to plucking of reinforcing stock draws the performance, through the setting of barb and intercommunication mouth, when pouring the concrete to the inside of stock, the concrete is finally by the blowout of intercommunication mouth, and the barb is connected with the concrete, has greatly strengthened the joint strength of stock in ground in situ portion.
Optionally, the outer surface of the anchor rod is fixedly connected with an annular limiting plate.
Through adopting above-mentioned technical scheme, through the setting of ring-shaped limiting plate, when inserting the stock to ground layer inside, under ring-shaped limiting plate's fibrous effect for the stock exposes the same at the outside length in ground layer, thereby can effectively improve the homogeneity of the thickness of the concrete inoxidizing coating of pouring.
Optionally, the outer surface of the end portion of the anchor rod is fixedly connected with a U-shaped bracket.
Through adopting above-mentioned technical scheme, through the setting of U-shaped support, played good support fixed action to the reinforcing bar net piece to effectively prevent that the reinforcing bar net piece from taking place the condition that drops at the in-process that the concrete inoxidizing coating was pour.
Optionally, the inner wall of the anchor rod is provided with a mounting groove, and the end of the bending plate is mounted inside the mounting groove.
Through adopting above-mentioned technical scheme, when the board of bending is in the horizontality, also can not hinder the propulsion of removing the body.
Optionally, the inner wall of the anchor rod at one end of the conical head is integrally connected with a limit ring plate.
Through adopting above-mentioned technical scheme, through the design of spacing ring board, can prevent effectively that the cavity cylinder from shifting out from the inside of stock.
To sum up, the present application includes the following beneficial effects:
this application is through the setting of awl thorn, can go deep into to the ground in situ portion around the stock body of rod to the resistance to plucking performance of reinforcing stock through the setting of barb and intercommunication mouth, when pouring the concrete to the inside of stock, the concrete is finally by the blowout of intercommunication mouth, and the barb is connected with the concrete, has greatly strengthened the joint strength of stock in ground in situ portion, and whole stock protective structure intensity is high, and stability is strong, easily is under construction.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the present invention;
fig. 2 is an enlarged schematic view of fig. 1 a according to the present invention;
fig. 3 is an enlarged schematic view of the structure of fig. 1B.
Description of reference numerals: 1. a concrete protective layer; 2. an anchor rod; 3. reinforcing mesh sheets; 4. moving the tube body; 5. bending the plate; 6. e, stabbing; 7. a prick hole; 8. a conical head; 9. a hollow cylinder; 10. a flow guide pipe; 11. a barb; 12. a communication port; 13. an annular limiting plate; 14. a U-shaped bracket; 15. mounting grooves; 16. a limit ring plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1 to 3, an anchor rod protection structure for tunnel or culvert construction includes a concrete protection layer 1 disposed on one side of a rock-soil layer and an anchor rod 2 connected between the concrete protection layer 1 and the rock-soil layer, a steel bar mesh 3 is disposed inside the concrete protection layer 1, the steel bar mesh 3 is formed by connecting criss-cross steel bars, and the strength of the concrete protection layer 1 is enhanced by the arrangement of the steel bar mesh 3.
One end of the anchor rod 2 is provided with a movable tube body 4, the outer diameter of the movable tube body 4 is matched with the inner diameter of the anchor rod 2, the inner wall of the anchor rod 2 is fixedly connected with a bending plate 5, the joint of the bending plate 5 and the anchor rod 2 has certain toughness, when the bending plate 5 is in a horizontal state, the bending plate 5 cannot be broken from the joint of the bending plate 5 and the anchor rod 2, the outer surface of the end part of the bending plate 5 is fixedly connected with a conical spine 6, and the conical spine 6 can penetrate into a rock-soil layer around the rod body of the anchor rod 2 so as to enhance the anti-pulling performance of the anchor rod 2, and the anchor rod 2 is provided with a conical spine hole 7 through which the conical spine 6 can pass;
the other end of stock 2 is provided with cone 8, the diameter of cone 8 and the external diameter looks adaptation of stock 2, the inside of stock 2 is provided with cavity cylinder 9, the external diameter of cavity cylinder 9 and the internal diameter looks adaptation of stock 2, and the length of cavity cylinder 9 is 5-10 centimetres, be connected through honeycomb duct 10 between cavity cylinder 9 and the cone 8, honeycomb duct 10 is linked together through the inside of cavity cylinder 9 with stock 2, honeycomb duct 10's skin weld has barb 11, honeycomb duct 10's surface is provided with intercommunication mouth 12, setting through barb 11 and intercommunication mouth 12, when pouring the concrete into the inside of stock 2, the concrete is finally spout by intercommunication mouth 12, barb 11 is connected with the concrete, stock 2's joint strength in ground layer portion has greatly been strengthened.
Referring to fig. 1, the outer fixed surface of stock 2 is connected with ring limiting plate 13, through the setting of ring limiting plate 13, when inserting stock 2 to ground layer inside, under ring limiting plate 13's fibrous effect for 2 exposes the same at the outside length in ground layer of stock, thereby can effectively improve the homogeneity of the thickness of the concrete inoxidizing coating 1 of pouring.
Referring to fig. 1, the outer fixed surface of 2 tip of stock is connected with U-shaped support 14, and the horizontal pole of reinforcing bar net piece 3 is located the inside of U-shaped support 14, through the setting of U-shaped support 14, has played good support fixed action to reinforcing bar net piece 3 to the condition that the in-process that effectively prevents reinforcing bar net piece 3 and pour at concrete protection layer 1 takes place to drop.
Referring to fig. 1 and 2, the inner wall of the anchor rod 2 is provided with a mounting groove 15, the end portion of the bending plate 5 is mounted inside the mounting groove 15, and the thickness of the bending plate 5 is the same as the depth of the mounting groove 15, so that when the bending plate 5 is in a horizontal state, the pushing of the moving pipe body 4 is not hindered.
Referring to fig. 1 and 3, a limit ring plate 16 is integrally connected to the inner wall of the anchor rod 2 at one end of the conical head 8, and the hollow cylinder 9 can be effectively prevented from being removed from the inside of the anchor rod 2 by the design of the limit ring plate 16.
The implementation principle of the application is as follows:
when the movable pipe body 4 moves to the end part of the anchor rod 2, the hollow column body 9 is exerted with propelling force, the conical head 8 continues to move forwards, at the moment, the guide pipe 10 moves out of the anchor rod 2, then the rod body is pulled out, and concrete is poured into the anchor rod 2 in a spray irrigation mode, the concrete finally flows out of the communication port 12 through the hollow cylinder 9 and the flow guide pipe 10, after the concrete is solidified, the stabs 6 on the surface of the communication port 12 and the concrete form a stable structure, and finally, the concrete protective layer 1 is poured on one side of the rock-soil layer.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides an anchor rod protective structure that tunnel or culvert construction was used, is including setting up concrete inoxidizing coating (1) and the connection anchor rod (2) between concrete inoxidizing coating (1) and ground layer on one side of the ground layer, its characterized in that: a steel bar net piece (3) is arranged inside the concrete protective layer (1);
a movable pipe body (4) is arranged at one end of the anchor rod (2), a bending plate (5) is fixedly connected to the inner wall of the anchor rod (2), a prick (6) is fixedly connected to the outer surface of the end part of the bending plate (5), and a prick hole (7) through which the prick (6) can pass is formed in the anchor rod (2);
the other end of stock (2) is provided with conical head (8), the inside cavity cylinder (9) that is provided with of stock (2), be connected through honeycomb duct (10) between cavity cylinder (9) and conical head (8), the outer skin weld of honeycomb duct (10) has barb (11), the surface of honeycomb duct (10) is provided with intercommunication mouth (12).
2. The anchor rod protecting structure for construction of tunnels or culverts according to claim 1, wherein: the outer surface of the anchor rod (2) is fixedly connected with an annular limiting plate (13).
3. The anchor rod protecting structure for construction of tunnels or culverts according to claim 2, wherein: the outer surface of the end part of the anchor rod (2) is fixedly connected with a U-shaped bracket (14).
4. The anchor rod protecting structure for construction of tunnels or culverts according to claim 2, wherein: the inner wall of stock (2) is provided with mounting groove (15), the tip of bending board (5) is installed in the inside of mounting groove (15).
5. The anchor rod protecting structure for construction of tunnels or culverts according to claim 1, wherein: the inner wall of the anchor rod (2) at one end of the conical head (8) is integrally connected with a limit ring plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121787754.8U CN215213548U (en) | 2021-08-02 | 2021-08-02 | Anchor rod protection structure for tunnel or culvert construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121787754.8U CN215213548U (en) | 2021-08-02 | 2021-08-02 | Anchor rod protection structure for tunnel or culvert construction |
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| Publication Number | Publication Date |
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| CN215213548U true CN215213548U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121787754.8U Active CN215213548U (en) | 2021-08-02 | 2021-08-02 | Anchor rod protection structure for tunnel or culvert construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542142A (en) * | 2022-01-11 | 2022-05-27 | 武汉大学 | Self-locking large-deformation energy-absorbing anchor rod and anchor rod device |
-
2021
- 2021-08-02 CN CN202121787754.8U patent/CN215213548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542142A (en) * | 2022-01-11 | 2022-05-27 | 武汉大学 | Self-locking large-deformation energy-absorbing anchor rod and anchor rod device |
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