Pipe jacking rear backrest reinforcing wall

Abstract

The utility model discloses a pipe jacking rear backrest reinforcing wall which comprises a reinforced concrete bottom plate, a guide rail arranged on the reinforced concrete bottom plate and a back wall located on the rear side of the guide rail, a compression-resistant core plate is arranged in the back wall, a reinforcing wall plate tightly attached to the rear side of the back wall is arranged on the reinforced concrete bottom plate, and the reinforcing wall plate is perpendicular to the direction of the back wall. A plurality of grooves are arranged at equal intervals; the reinforcing wall plate is perpendicular to the back wall and the compression-resistant core plate and can bear strong backward acting force transmitted from front to back. The prestressed concrete reinforced columns are connected, so that the post-acting force transmitted from front to back can be transmitted to each reinforcing wall plate, and the post-acting force is dispersed; the prestressed concrete reinforced columns can effectively improve the bearing capacity and rigidity of each reinforced wallboard; and the back wall, the compression-resistant core plate and the reinforcing wall plate can be assembled and disassembled and can be repeatedly used, so that green construction is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of jacking pipe construction, and in particular relates to a backrest reinforcement wall behind a jacking pipe. Background Art

[0002] Pipe jacking construction is to push the pipe into the ground through the jacking equipment to achieve the functions of pipe laying, replacement or repair. During the construction, a back wall needs to be set up. The main function of the back wall is to bear the back force during the jacking process. The back wall must be guaranteed not to be damaged under the jacking force and leave a large safety margin.

[0003] However, during pipe jacking construction, the back wall is generally a reinforced concrete wall that is directly cast and has low strength. When encountering the top force of a super-large cross-section pipe jacking, the wall is easily damaged; and the reinforced concrete wall that is directly cast and formed cannot be reused. Utility Model Content

[0004] The utility model provides a pipe-jacking rear back reinforcement wall, wherein the reinforcement wall panels are vertically arranged with the rear wall and the compression core panel, and can bear relatively strong rear force transmitted from front to rear; the prestressed concrete steel bar column is connected, and the rear force transmitted from front to back can be transmitted to each reinforcement wall panel, so as to disperse the rear force; the prestressed concrete steel bar column can effectively improve the bearing capacity and rigidity of each reinforcement wall panel; the rear wall, the compression core panel and the reinforcement wall panel can be assembled and disassembled, and can be reused, which is beneficial to green construction, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a top pipe rear back reinforcement wall, comprising a reinforced concrete base plate, a guide rail is arranged on the reinforced concrete base plate, and a back wall is located at the rear side of the guide rail, a compression core plate is arranged in the back wall, and a reinforcement wall panel close to the rear side of the back wall is installed on the reinforced concrete base plate, the reinforcement wall panel is perpendicular to the direction of the back wall, and a plurality of them are arranged at equal intervals.

[0006] Preferably, the upper portion of the rear back wall is open, the compression-resistant core plate is vertically installed therein, and two lifting ears are provided on the top of the compression-resistant core plate.

[0007] Preferably, a mounting plate is provided at the bottom of the rear wall and is fixed by a first insertion rod.

[0008] Preferably, a galvanized steel plate is fixed to the front side of the rear wall.

[0009] Preferably, a plurality of the reinforced wall panels are correspondingly provided with through holes and are equipped with prestressed concrete steel bars, and end plates tightly attached to the reinforced wall panels are fixed at both ends of the prestressed concrete steel bars.

[0010] Preferably, the reinforcement wall panel is provided with a protrusion, and the rear wall is provided with a positioning groove engaged with the protrusion.

[0011] Preferably, the reinforced wall panels are all provided with an extended bottom plate and are fixed by a second insertion rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The reinforced wall panels are vertically arranged with the back wall and the compression core panels, which can bear the strong rear force transmitted from front to back.

[0014] 2. Prestressed concrete steel column connection can transfer the post-load force transmitted from front to back to each reinforced wall panel, thus dispersing the post-load force.

[0015] 3. Prestressed concrete reinforced columns are equipped with prestressed tendons, which can effectively improve the bearing capacity and stiffness of each reinforced wall panel.

[0016] 4. The back wall, compression core board and reinforced wall panels can be assembled and disassembled and can be reused, which is conducive to green construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 3 It is a partial top view structural schematic diagram of the utility model;

[0020] Figure 4 It is a rear view structural schematic diagram of the back wall of the utility model.

[0021] In the figure: 1. reinforced concrete base plate; 2. guide rail; 3. back wall; 4. compression core plate; 5. reinforced wall panel; 6. lifting ear; 7. mounting plate; 8. first plug rod; 9. galvanized steel plate; 10. prestressed concrete steel column; 11. end plate; 12. protrusion; 13. positioning groove; 14. extension base plate; 15. second plug rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a back-supported reinforcement wall of a jacking pipe, comprising a reinforced concrete bottom plate 1, a guide rail 2 and a back wall 3 located at the rear side of the guide rail 2 are arranged on the reinforced concrete bottom plate 1, and a compression core plate 4 is arranged in the back wall 3, and a reinforcement wall panel 5 is installed on the reinforced concrete bottom plate 1, which is close to the rear side of the back wall 3, and the reinforcement wall panel 5 is perpendicular to the back wall 3 and is arranged at equal intervals; during construction, the back seat of the jack is supported on the galvanized steel plate 9, the pipeline is placed on the guide rail 2, and the pipeline is pushed into the ground by the jack to realize the pipeline laying construction, during which the back wall 3, the compression core plate 4, and the reinforcement wall panel 5 form a back-supported reinforcement wall to provide support and bearing; the reinforcement wall panel 5 is vertically arranged with the back wall 3 and the compression core plate 4, and can bear a strong rear force transmitted from front to back; at the same time, the back wall 3, the compression core plate 4, and the reinforcement wall panel 5 can be assembled and disassembled, and can be reused, which is conducive to green construction.

[0024] Specifically, the upper portion of the rear wall 3 is open, the compression-resistant core panel 4 is vertically installed therein, and two lifting ears 6 are provided on the top of the compression-resistant core panel 4. In this embodiment, the compression-resistant core panel 4 can be installed and removed from the rear wall 3 by the two lifting ears 6.

[0025] Specifically, a mounting plate 7 is provided at the bottom of the rear wall 3 and is fixed by a first plug rod 8. In the present embodiment, the rear wall 3 is connected and fixed to the reinforced concrete base plate 1 by the first plug rod 8, and the rear wall 3 can also be disassembled by removing the first plug rod 8.

[0026] Specifically, a galvanized steel plate 9 is fixed to the front side of the rear back wall 3; in this embodiment, the galvanized steel plate 9 can improve the strength and stability of the load-bearing contact surface, as well as the corrosion resistance.

[0027] Specifically, a plurality of the reinforced wall panels 5 are provided with corresponding through holes and are equipped with prestressed concrete steel bars 10, and end plates 11 tightly attached to the reinforced wall panels 5 are fixed at both ends of the prestressed concrete steel bars 10; in the present embodiment, the reinforced wall panels 5 are connected by the prestressed concrete steel bars 10, so that the post-load force transmitted from front to back can be transmitted to each reinforced wall panel 5, thereby dispersing the post-load force; at the same time, since the prestressed bars are provided in the prestressed concrete steel bars 10, the bearing capacity and stiffness of each reinforced wall panel 5 can be effectively improved.

[0028] Specifically, the reinforcement wall panel 5 is provided with a protrusion 12, and the rear wall 3 is provided with a positioning groove 13 engaged therewith; in this embodiment, the protrusion 12 is engaged in the positioning groove 13 to improve the stability of the connection between the reinforcement wall panel 5 and the rear wall 3.

[0029] Specifically, the reinforced wall panels 5 are all provided with an extended base plate 14 and are fixed by a second plug rod 15; in this embodiment, the reinforced wall panels 5 are connected and fixed to the reinforced concrete base plate 1 by the second plug rod 15, and the reinforced wall panels 5 can also be disassembled by removing the second plug rod 15.

[0030] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0031] Working principle: During construction, the back seat of the jack is used to support the galvanized steel plate 9, the pipeline is placed on the guide rail 2, and the pipeline is pushed into the ground by the jack to realize the pipeline laying construction. During this period, the rear force of the jacking equipment is firstly supported on the galvanized steel plate 9, and the back wall 3, the compression core plate 4, and the reinforced wall panel 5 form a rear back reinforcement wall to provide support and bearing.

[0032] The reinforced wall panels 5 are arranged vertically to the back wall 3 and the compression core panel 4, and can bear strong post-load forces transmitted from front to back. Since the reinforced wall panels 5 are connected by prestressed concrete steel bars 10, the post-load forces transmitted from front to back can be transmitted to each reinforced wall panel 5 to disperse the post-load forces. At the same time, since prestressed tendons are provided in the prestressed concrete steel bars 10, the bearing capacity and rigidity of each reinforced wall panel 5 can be effectively improved. At the same time, the back wall 3, the compression core panel 4 and the reinforced wall panels 5 can be assembled and disassembled and reused, which is conducive to green construction.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe-jacking back reinforcement wall, comprising a reinforced concrete bottom plate (1), characterized in that: The reinforced concrete base plate (1) is provided with a guide rail (2) and a rear wall (3) located at the rear side of the guide rail (2); a compression-resistant core plate (4) is provided in the rear wall (3); and a reinforcement wall panel (5) closely attached to the rear side of the rear wall (3) is installed on the reinforced concrete base plate (1); the reinforcement wall panel (5) is perpendicular to the direction of the rear wall (3), and a plurality of the reinforcement wall panels (5) are arranged at equal intervals.

2. A pipe-jacking rear back reinforcement wall according to claim 1, characterized in that: The upper part of the back wall (3) is open, and the compression-resistant core plate (4) is vertically installed therein. The top of the compression-resistant core plate (4) is provided with two lifting ears (6).

3. A pipe-jacking rear back reinforcement wall according to claim 1, characterized in that: A mounting plate (7) is provided at the bottom of the rear wall (3) and is fixed by a first insertion rod (8).

4. The pipe-jacking rear back reinforcement wall according to claim 1, characterized in that: A galvanized steel plate (9) is fixed to the front side of the rear wall (3).

5. The pipe-jacking rear back reinforcement wall according to claim 1, characterized in that: The plurality of reinforcement wall panels (5) are provided with corresponding through holes and are provided with prestressed concrete reinforcement columns (10). End panels (11) tightly attached to the reinforcement wall panels (5) are fixed at both ends of the prestressed concrete reinforcement columns (10).

6. The pipe-jacking rear back reinforcement wall according to claim 1, characterized in that: The reinforcing wall panel (5) is provided with a protruding portion (12), and the rear wall (3) is provided with a positioning groove (13) engaged therewith.

7. The pipe-jacking rear back reinforcement wall according to claim 1, characterized in that: The reinforced wall panels (5) are each provided with an extended bottom plate (14) and are fixed by a second insertion rod (15).

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