CN213773008U

CN213773008U - Green building bridge damage repair structure

Info

Publication number: CN213773008U
Application number: CN202022272726.4U
Authority: CN
Inventors: 孙星
Original assignee: Hebei Yuechen Road And Bridge Engineering Co ltd
Current assignee: Hebei Yuechen Road And Bridge Engineering Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-23
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to a field of structure is repaired to bridge, concretely relates to structure is repaired to green building bridge damage has a crack in bridge surface damage, and the crack includes bottom surface and two sides, includes two a plurality of mated vertical slots that the side set up, the concrete filling layer has been pour in the crack, still be provided with the reinforcing bar frame that carries out the support to the concrete filling layer in the crack, the reinforcing bar frame includes a plurality of horizontal poles and vertical pole, and the horizontal pole passes through the iron wire with the vertical pole and fixes, and when the reinforcing bar frame was placed, the horizontal pole both ends respectively with vertical slot is contradicted, the concrete filling layer is kept away from bottom surface one side is provided with the pitch layer. The method has the advantages of enabling the interface between the crack filler and the crack to be firmly combined and being environment-friendly.

Description

Green building bridge damage repair structure

Technical Field

The application relates to the field of bridge repair structures, in particular to a green building bridge damage repair structure.

Background

The most crack problem appears in the later stage of the existing bridge structure, and crack repair is a technical problem to be solved urgently for the existing bridge. According to different types of bridge cracks, different repairing methods are provided, the bridge crack repairing method comprises a grouting method, a surface treatment method and a concrete replacement method, and the repairing principle of the grouting method is that a repairing slurry is poured into the bridge crack by applying pressure, and then the purposes of closing the crack, recovering the structural integrity, the durability, the waterproofness, the toughness and the like of the bridge are achieved. Generally, the method is suitable for repairing cracks with large width and deep depth, particularly bridge cracks caused by stress. The surface treatment method is suitable for small cracks, and epoxy joint sealing glue and carbon fiber cloth are coated on the surfaces of the cracks to enhance the waterproofness and the durability. The concrete replacement method operates by removing damaged concrete and then replacing it with new concrete or other material. Generally, the bridge crack repair method is suitable for bridges with serious concrete damage.

The related repairing method is mainly achieved by filling cracks, when the original cracks are stressed in the later period, the interface between the filler and the bridge is easy to separate, so that the cracks reappear, and in order to increase the firmness of the filler, the reinforcing mesh is welded in the filler sometimes in the prior related art, but harmful gas is generated by the welding technology, and the environment protection is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to enable the interface between the crack filler and the crack to be firmly combined and to be environment-friendly, the application provides a green building bridge damage repairing structure.

The application provides a damaged structure of repairing of green building bridge adopts following technical scheme:

the utility model provides a green building bridge damage repair structure, has the crack at bridge surface damage, and the crack includes bottom surface and two sides, includes two a plurality of mated vertical slots that the side set up, the concrete filling layer has been pour in the crack, still be provided with the reinforcing bar frame that carries out the support to the concrete filling layer in the crack, the reinforcing bar frame includes a plurality of horizontal poles and vertical pole, and the horizontal pole passes through the iron wire with the vertical pole and fixes, and when the reinforcing bar frame was placed, the horizontal pole both ends respectively with the vertical slot is contradicted, the concrete filling layer is kept away from bottom surface one side is provided with the pitch layer.

By adopting the technical scheme, the concrete filling layer can be supported through the reinforcing steel bar frame, harmful gas generated in the welding process is avoided in a mode of fixing the transverse rods and the longitudinal rods through iron wires, the environment is protected, the transverse rods are inserted into the longitudinal grooves and are abutted against the longitudinal grooves through the longitudinal grooves formed in the side faces, and the reinforcing steel bar frame is firmly installed because the longitudinal grooves are filled by the concrete filling layer; the asphalt layer is wear-resistant, and the retention time of the asphalt layer is longer after the crack is repaired.

Preferably, the bottom surface is provided with a waterproof roll.

Through adopting above-mentioned technical scheme, waterproofing membrane can reduce the probability of continuing the infiltration from the bottom surface to bridge inside to make the bridge more firm.

Preferably, two adjacent waterproof rolls are overlapped with each other, and the overlapped parts are adhered by polyurethane caulking glue.

Through adopting above-mentioned technical scheme, through the mutual overlapping of waterproofing membrane to through the bonding of polyurethane caulking paste, can make waterproofing membrane junction be difficult for the infiltration, water-proof effects is better.

Preferably, a cement mortar leveling layer is laid on the bottom surface, and one surface, far away from the bottom surface, of the cement mortar leveling layer is adhered to the waterproof coiled material.

Through adopting above-mentioned technical scheme, cement mortar screed-coat can make the bottom surface comparatively level and smooth, and it is more convenient when making waterproofing membrane paste.

Preferably, a cement layer is arranged on one side, close to the asphalt layer, of the concrete filling layer.

Through adopting above-mentioned technical scheme, the cement layer makes the concrete filling layer keep away from the bottom surface one side comparatively level to it is better to make the adhesion between pitch layer and the concrete filling layer.

Preferably, the side faces are arranged in a zigzag shape.

By adopting the technical scheme, the contact area between the side face and the concrete can be increased by the serrated side face, so that the adhesiveness between the concrete and the side face is increased, and the concrete and the bridge are favorably integrated.

Preferably, the steel bar frame is provided in one or more layers.

Through adopting above-mentioned technical scheme, the number of piles of reinforcing bar frame can be adjusted according to the degree of depth in crack to reach the comparatively firm effect of concrete filling layer.

Preferably, the asphalt layer is level with the surface of the bridge.

Through adopting above-mentioned technical scheme, the pitch layer is flat mutually with the bridge surface, and the impact force that can make the pitch layer receive is less, is favorable to making the repair structure more firm.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the concrete filling layer can be supported through the reinforcing steel bar frame, harmful gas generated in the welding process is avoided in a mode of fixing the transverse rods and the longitudinal rods through iron wires, environment protection is facilitated, the longitudinal grooves are formed in the side faces, the transverse rods are inserted into the longitudinal grooves and abutted against the longitudinal grooves, and the concrete filling layer is filled in the longitudinal grooves at the later stage, so that the reinforcing steel bar frame is firmly installed; the asphalt layer is relatively wear-resistant, and the retention time is relatively long after the cracks are repaired;

2. the contact area between the side face and the concrete can be increased by the aid of the serrated side faces, so that the adhesion between the concrete and the side faces is increased, and the concrete and the bridge are integrated.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

Fig. 2 is a schematic view showing the structure of the reinforcing cage.

Fig. 3 is a schematic structural view of a waterproof roll.

Description of reference numerals: 1. a bridge; 11. cracking; 111. a bottom surface; 112. a side surface; 1121. a longitudinal groove; 2. leveling layer of cement mortar; 3. waterproof coiled materials; 31. polyurethane caulking compound; 4. a reinforcing steel bar frame; 41. a cross bar; 42. iron wires; 43. a longitudinal bar; 5. a cement layer; 6. an asphalt layer; 7. and (5) a concrete filling layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses green building bridge damage repair structure, referring to fig. 1 and 2, bridge 1 surface produces crack 11, and crack 11 includes bottom surface 111 and two sides 112, is provided with in the crack 11 and carries out the repair structure that repairs crack 11.

As shown in fig. 2, the repairing structure comprises a cement mortar leveling layer 2 arranged at the bottom of the crack 11, and a waterproof roll 3 is adhered to one surface of the cement mortar leveling layer 2, which is far away from the bottom surface 111. As shown in fig. 3, the joints of two adjacent waterproofing membranes 3 are overlapped with each other, and the overlapped portions are bonded by a polyurethane caulking compound 31. The cement mortar leveling layer 2 can level the bottom surface 111, so that the bottom surface 111 is smooth, and the waterproof roll 3 can be conveniently pasted. The waterproof roll 3 can reduce the probability of water seepage from the bottom surface 111 to the inside of the bridge 1, so that the bridge 1 is stable.

As shown in fig. 2, a plurality of pairs of longitudinal grooves 1121 are respectively formed on the two side surfaces 112, and the longitudinal grooves 1121 are perpendicular to the bottom surface 111. The reinforcing steel bar frame 4 is installed in the crack 11 through the longitudinal groove 1121, the reinforcing steel bar frame 4 includes a plurality of cross bars 41, two ends of each cross bar 41 are respectively abutted against the longitudinal groove 1121, one or a plurality of longitudinal bars 43 are fixedly installed on one side of each cross bar 41 far away from the bottom surface 111 through iron wires 42, and the iron wires 42 tie the contact positions of the cross bars 41 and the longitudinal bars 43 tightly, so that the reinforcing steel bar frame 4 is manufactured. The reinforcing bar frame 4 may be provided in one piece or in plural pieces depending on the depth of the actual crack 11. And a concrete filling layer 7 is also poured in the crack 11, and the reinforcing mesh can play a supporting role on the concrete filling layer 7. The iron wire 42 is tightly bound, so that harmful gas generated in the welding process is reduced, and the method is environment-friendly.

After the waterproof roll 3 is adhered, concrete is poured into the cracks 11, when the concrete is poured to the height of the bottom of the longitudinal groove 1121, the prepared reinforcing steel bar frame 4 is placed above the concrete, when the reinforcing steel bar frame 4 is placed, two ends of the transverse rod 41 respectively slide to the bottom of the longitudinal groove 1121 from one end of the longitudinal groove 1121, which is far away from the bottom surface 111, so that the bottom of the longitudinal groove 1121 plays a supporting role for the transverse rod 41, and then the concrete is continuously poured. When concrete is poured, the longitudinal grooves 1121 are filled. If the crack 11 is deep, the steel bar frames 4 can be placed continuously after the concrete is poured for a certain height, and when the steel bar frames 4 are placed, the transverse rods 41 of the steel bar frames 4 abut against the longitudinal grooves 1121, and specifically, the length of the transverse rods 41 can be adjusted according to the width of the crack 11.

As shown in fig. 1, a cement layer 5 is laid on the concrete filling layer 7 away from the bottom surface 111, and the cement layer 5 can level the concrete away from the bottom surface 111. An asphalt layer 6 is further paved on the surface, far away from the concrete, of the cement layer 5, and the asphalt layer 6 is level with the surface of the bridge 1. The asphalt layer 6 has high wear resistance, so that the surface of the crack 11 is not easy to wear after being repaired.

As shown in fig. 2, the two side surfaces 112 are also dug to be serrated, and the serrated side surfaces 112 can increase the contact area between the side surfaces 112 and the concrete, thereby increasing the adhesion between the concrete and the side surfaces 112 and facilitating the concrete to form a whole with the bridge 1.

The implementation principle of the green building bridge damage repairing structure is as follows: when repairing crack 11, excavate side 112 into the cockscomb structure, then excavate a plurality of vertical slots 1121 respectively at side 112, after clearing out crack 11 with the waste material that produces, lay cement mortar screed-coat 2 at bottom surface 111, cement mortar screed-coat 2 is dry back, keeps away from bottom surface 111 at cement mortar screed-coat 2 and pastes waterproofing membrane 3, overlaps between two adjacent waterproofing membrane 3 and sets up to paste through polyurethane caulking glue 31 in overlapping the position. Then, the reinforcing bar frame 4 is prepared, and the horizontal bar 41 and the vertical bar 43 are tied tightly by the iron wire 42. And then filling a concrete filling layer 7, and placing the reinforcing steel bar frames 4 into the cracks 11 when the concrete filling layer is filled to be level with the bottoms of the longitudinal grooves 1121, so that two ends of the transverse rods 41 are abutted against the longitudinal grooves 1121. And then continuously pouring concrete, paving a cement layer 5 on the surface, far away from the bottom surface 111, of the concrete filling layer 7, and paving an asphalt layer 6 on the surface, far away from the concrete filling layer 7, of the cement layer 5, wherein the asphalt layer 6 is level to the surface of the bridge 1.

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

1. The utility model provides a green building bridge breakage repair structure, has crack (11) at bridge (1) surface breakage, and crack (11) include bottom surface (111) and two sides (112), its characterized in that: include two a plurality of mated vertical slots (1121) that side (112) set up, concrete filling layer (7) have been pour in crack (11), still be provided with reinforcing bar frame (4) that support concrete filling layer (7) in crack (11), reinforcing bar frame (4) include a plurality of horizontal poles (41) and vertical pole (43), and horizontal pole (41) are fixed through iron wire (42) with vertical pole (43), and when reinforcing bar frame (4) were placed, horizontal pole (41) both ends respectively with vertical slot (1121) are contradicted, concrete filling layer (7) are kept away from bottom surface (111) one side is provided with asphalt layer (6).

2. The green building bridge breakage repairing structure as claimed in claim 1, wherein: the bottom surface (111) is provided with a waterproof coiled material (3).

3. The green building bridge breakage repairing structure as claimed in claim 2, wherein: two adjacent waterproof rolls (3) are overlapped with each other, and the overlapped parts are bonded by polyurethane caulking glue (31).

4. The green building bridge breakage repairing structure as claimed in claim 2, wherein: and a cement mortar leveling layer (2) is laid on the bottom surface (111), and the cement mortar leveling layer (2) is far away from one surface of the bottom surface (111) and the waterproof roll (3) are adhered.

5. The green building bridge breakage repairing structure as claimed in claim 1, wherein: and a cement layer (5) is arranged on one surface of the concrete filling layer (7) close to the asphalt layer (6).

6. The green building bridge breakage repairing structure as claimed in claim 1, wherein: the side surface (112) is arranged in a zigzag shape.

7. The green building bridge breakage repairing structure as claimed in claim 1, wherein: the reinforcing steel bar frame (4) is arranged into one layer or a plurality of layers.

8. The green building bridge breakage repairing structure as claimed in claim 1, wherein: the asphalt layer (6) is level to the surface of the bridge (1).