CN214193999U - Road and bridge crack repairing structure - Google Patents

Abstract

The utility model provides a road and bridge crack repair structure relates to road and bridge repair structure technical field, and it includes along the filling groove of road crack chisel formation, from the bottom up fills in proper order in the filling groove has concrete layer and pitch layer, be provided with anti-crack part in the concrete layer, anti-crack part includes anti-crack board and many anti-crack rods, anti-crack board level sets up and all forms the interval with the cell wall and the tank bottom of filling groove, and the length direction of anti-crack board extends along the groove length direction of filling the groove; the anti-cracking rods are arranged around the anti-cracking plate, part of the anti-cracking rods are embedded in the groove wall and the groove bottom of the filling groove, one ends of the other anti-cracking rods extend into the asphalt layer, and the other ends of the anti-cracking rods are fixed on the anti-cracking plate. The method has the effect of relatively reducing the probability of secondary crack generation.

Description

Road and bridge crack repairing structure

Technical Field

The application relates to the technical field of road and bridge repairing structures, in particular to a road and bridge crack repairing structure.

Background

The road and bridge generally consists of a plurality of parts such as a roadbed, a road surface, a bridge, a tunnel engineering facility, a traffic engineering facility and the like. The road surface is a layered structure which is made up by using various road-building materials or mixed materials and is layered on the road bed for car running, and according to the structure level it can be divided into surface layer, base layer, cushion layer or connecting layer. Due to the influence of various factors such as the stress of the pavement, the pavement is easy to crack and form cracks in the long-term use process.

Generally, the pavement cracks are repaired by pouring concrete into the cracks and filling the cracks with the solidified concrete; although the method can repair the cracks, the effective duration of the repairing method is relatively short, and secondary cracks are relatively easy to generate under the actions of pressure, rain wash and the like, so that the repairing effect is poor.

SUMMERY OF THE UTILITY MODEL

The application provides a road and bridge crack repair structure, its probability that can reduce the secondary crack relatively and produce.

The application provides a pair of road and bridge crack repair structure adopts following technical scheme:

a road and bridge crack repairing structure comprises a filling groove formed along a road crack in a chiseling mode, wherein a concrete layer and an asphalt layer are sequentially filled in the filling groove from bottom to top, an anti-cracking component is arranged in the concrete layer and comprises an anti-cracking plate and a plurality of anti-cracking rods, the anti-cracking plate is horizontally arranged and forms a distance with the groove wall and the groove bottom of the filling groove, and the length direction of the anti-cracking plate extends along the groove length direction of the filling groove; the anti-cracking rods are arranged around the anti-cracking plate, part of the anti-cracking rods are embedded in the groove wall and the groove bottom of the filling groove, one ends of the other anti-cracking rods extend into the asphalt layer, and the other ends of the anti-cracking rods are fixed on the anti-cracking plate.

Preferably, a plurality of steps are formed on the groove wall of the filling groove, two surfaces of each step form acute angles with the same vertical surface, and the sum of the two acute angles forms an included angle formed by the two surfaces of each step.

Preferably, the root of the step surface of the uppermost step is provided with an accommodating groove.

Preferably, a water absorbing layer is fixed on the wall of the accommodating groove.

Preferably, the anti-cracking plate is provided with a plurality of through holes in a penetrating manner.

Preferably, one end of the anti-crack rod extending into the asphalt layer is fixed with a horizontally arranged reinforcing plate.

Preferably, a self-healing concrete layer is coated between the groove wall of the filling groove and the concrete layer.

Preferably, the self-healing concrete layer is bonded with a rubber particle layer on one side of the groove wall deviating from the filling groove.

Preferably, a joint belt layer is arranged between the groove wall at the groove opening of the filling groove and the asphalt layer, and the joint belt layer extends from one side close to the road surface and is simultaneously bonded to the road surface and the surface of the asphalt layer.

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

1. the connection strength between the concrete layer and the wall of the filling groove and the connection strength between the concrete layer and the asphalt layer are effectively enhanced by arranging the anti-cracking rods and the anti-cracking plates fixed with the anti-cracking rods and positioned in the concrete layer; the pressure of the asphalt layer is dispersed and transmitted when the asphalt layer is pressed through the plurality of anti-cracking rods, so that the probability that the asphalt layer is directly pressed and damaged is reduced; meanwhile, the transverse bonding strength of the concrete layer, the asphalt layer and the groove wall of the filling groove is relatively enhanced through the steps with the upwarping step surfaces, so that the secondary cracking probability is relatively reduced;

2. through setting up the step that the step face upwarps, the layer and the joint line layer of absorbing water in the holding tank, reduce the probability that water oozes from the filling tank wall relatively, and then strengthen whole filling structure's waterproof performance relatively to prolong whole filling structure relatively and fill the life-span.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic view of the structure of the crack resistant panel of the present application.

In the above drawings: 1. filling the groove; 11. a step; 12. accommodating grooves; 121. a water-absorbing layer; 2. a concrete layer; 3. an asphalt layer; 4. a crack resistant component; 41. a crack resistant panel; 411. a through hole; 42. a crack resistant rod; 43. a reinforcing plate; 5. self-healing the concrete layer; 51. a rubber particle layer; 6. and (6) attaching a seam tape layer.

Detailed Description

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

Referring to fig. 1 and 2, the embodiment of the application provides a road and bridge crack repairing structure, which includes a filling groove 1, wherein the filling groove 1 is formed by chiseling along the extending direction of a road crack, so that the crack is filled in a later period, and poor filling effect caused by the irregularity of the crack is prevented; the concrete layer 2 and the asphalt layer 3 are sequentially filled in the filling groove 1 from bottom to top, and the asphalt layer 3 is flushed with the road surface so as to repair and level the road surface cracks.

The cell wall from the bottom up of infill cell 1 is formed with a plurality of steps 11 to the area of contact of increase concrete layer 2 and pitch layer 3 and the cell wall of infill cell 1 makes during the partial pressurized of packing that concrete layer 2 and pitch layer 3 formed, can disperse pressure and faster transmit for original road layer structure, reduces the probability that concrete layer 2 and pitch layer 3 damaged in long-term use relatively. Two surfaces of the step 11 form acute angles with the same vertical surface, namely the step surface of the step 11 is upwarped and then forms an acute angle with the horizontal plane, so that the concrete layer 2, the asphalt layer 3 and the step surface of the step 11 form a tie structure in the horizontal direction, the tensile property of the whole filling structure is relatively enhanced, and the production probability of secondary cracks is reduced; in addition, when water in the road area seeps downwards from the groove wall of the filling groove 1, the raised step surface can relatively reduce the probability that the accumulated water seeps downwards to the bottom of the filling groove 1, so that the probability that the whole filling structure is soaked and secondarily cracked is relatively reduced. The shoulder surface of the step 11 (the surface forming an included angle with the step surface of the step 11) forms an acute angle with the vertical surface to increase the contact area of the groove wall of the filling groove 1 and the filling structure.

The root of the step surface of the uppermost step 11 is provided with a containing groove 12 to form a cavity for containing the seeped water, so that the water is relatively prevented from continuously seeping; the water absorbing layer 121 is bonded on the wall of the containing groove 12, the water absorbing layer 121 is formed by mixing polymer inorganic water absorbing expansion materials and rubber, has the effect of water absorbing expansion, can absorb water which seeps downwards and enters the containing groove 12, and plugs up gaps after the water absorbing layer 121 absorbs water to prevent water from continuously seeping downwards from the gaps.

Referring to fig. 1 to 3, an anti-crack member 4 is preset in a concrete layer 2, the anti-crack member 4 includes an anti-crack plate 41 horizontally disposed, the anti-crack plate 41 is disposed along a groove length direction of a filling groove 1 and forms a distance with both a groove wall and a groove bottom of the filling groove 1, so as to enhance strength of the concrete layer 2 through the anti-crack plate 41; a plurality of through holes 411 are formed through the anti-crack plate 41, so that the concrete layer 2 can penetrate into the through holes 411, and the connection strength between the concrete layer 2 and the anti-crack plate 41 is enhanced.

The anti-crack member 4 further includes a plurality of anti-crack rods 42 disposed around the anti-crack plate 41, and one end of each anti-crack rod 42 is welded to the anti-crack plate 41. Wherein, a part of the anti-cracking rods 42 adopt chemical bolts, and the other ends (the ends provided with the chemical rubber pipes) of the part of the anti-cracking rods 42 are embedded into the groove bottoms and the groove walls of the filling grooves 1, so that the connection strength of the concrete layer 2 and the original roadbed is enhanced, and the probability of secondary cracking and fragmentation is reduced; the other part of the anti-cracking rods 42 adopt screws, and the other ends of the anti-cracking rods 42 enter the asphalt layer 3, so that the connection strength of the concrete layer 2 and the asphalt layer 3 is increased; because the anti-cracking rods 42 with one ends fixed on the anti-cracking plates 41 surround the anti-cracking plates 41, a triangle is indirectly formed between part of the anti-cracking rods 42 and the wall of the filling groove 1, and the pressure resistance of the whole filling structure is enhanced; when the asphalt layer 3 is compressed, the pressure can be dispersed through the transmission of the plurality of anti-crack rods 42, so that the damage probability of the whole filling structure is relatively reduced.

A reinforcing plate 43 is fixed at the end of the anti-cracking rod 42 extending into the asphalt layer 3 to enhance the compressive strength of the asphalt layer 3; and reinforcing plate 43 horizontal setting for when the pitch layer 3 pressurized, reinforcing plate 43's lifting surface is the biggest, and better transmits pressure to anti crack board 41, splits pressure dispersion through other anti crack poles 42, thereby makes pitch layer 3 pressurized impaired probability less relatively. A plurality of holes are also formed through the reinforcing plate 43 to enhance the connection strength between the reinforcing plate 43 and the asphalt layer 3.

Referring to fig. 1 and 2, a self-healing concrete layer 5 is coated between the groove wall of the filling groove 1 and the concrete layer 2 to automatically fill the defects partially remaining at the groove wall of the filling groove 1. A rubber particle layer 51 is bonded on one side of the self-healing concrete layer 5, which is far away from the filling groove 1, and the thickness of the rubber particle layer 51 is not more than half of that of the self-healing concrete layer 5; when the road surface is heated and expanded and the whole filling structure is extruded, the rubber particle layer 51 can deform, and the probability of direct damage caused by compression of the whole filling structure is relatively reduced.

A seam-attaching belt layer 6 is bonded on the groove wall of the groove opening of the filling groove 1 to fill the gap between the asphalt layer 3 and the groove wall of the filling groove 1, so that the probability of water infiltration is reduced; and one side of the joint tape layer 6 close to the road surface extends and is simultaneously adhered to the road surface and the surface of the asphalt layer 3 so as to further reduce the probability of water infiltration.

The embodiment of the application relates to a road and bridge crack repair structure's implementation principle does: firstly, chiseling a filling groove 1 at a pavement crack, forming a plurality of steps 11, chiseling an accommodating groove 12 and a hole for inserting a plurality of anti-cracking rods 42; after cleaning up the slag in the filling groove 1, inserting part of the anti-cracking rod 42 (the end provided with the chemical rubber tube) into a hole preset on the filling groove 1; then horizontally arranging an anti-cracking plate 41, and welding the other end of an anti-cracking rod 42 fixed on the wall of the filling tank 1 to the anti-cracking plate 41; meanwhile, welding one end of another anti-crack rod 42 to the anti-crack plate 41 such that the other end of the part of the anti-crack rod 42 faces upward (vertically upward or obliquely upward), and fixing a reinforcing plate 43 to the end of the part of the anti-crack rod 42; in the process of arranging the anti-cracking component 4, the self-healing concrete layer 5 and the rubber particle layer 51 are arranged in sequence; then, the concrete layer 2 and the asphalt layer 3 are poured in sequence; when the asphalt layer 3 is poured, the joint tape layer 6 is firstly bonded; after the asphalt layer 3 is poured, the seam belt layer 6 is partially bent, so that the seam belt layer 6 is simultaneously bonded on the surface of the road surface and the surface of the asphalt layer 3, and the seam belt layer 6 is rolled to be smooth.

Finally, the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and all the technical solutions of the present application should be covered by the claims of the present application.

Claims (9)

1. The utility model provides a road and bridge crack repair structure which characterized in that: the anti-cracking concrete filling device comprises a filling groove (1) formed by chiseling along a road crack, wherein a concrete layer (2) and an asphalt layer (3) are sequentially filled in the filling groove (1) from bottom to top, an anti-cracking component (4) is arranged in the concrete layer (2), the anti-cracking component (4) comprises an anti-cracking plate (41) and a plurality of anti-cracking rods (42), the anti-cracking plate (41) is horizontally arranged and forms a distance with the groove wall and the groove bottom of the filling groove (1), and the length direction of the anti-cracking plate (41) extends along the groove length direction of the filling groove (1); the anti-cracking rods (42) are arranged around the anti-cracking plate (41), one ends of part of the anti-cracking rods (42) are embedded in the groove wall and the groove bottom of the filling groove (1), one ends of the other anti-cracking rods (42) extend into the asphalt layer (3), and the other ends of the anti-cracking rods (42) are fixed on the anti-cracking plate (41).

2. A road and bridge crack healing structure as claimed in claim 1, wherein: the groove wall of the filling groove (1) is provided with a plurality of steps (11), two surfaces of each step (11) form acute angles with the same vertical surface, and the sum of the two acute angles forms an included angle formed by the two surfaces of each step (11).

3. A road and bridge crack healing structure as claimed in claim 2, wherein: the root of the step surface of the uppermost step (11) is provided with an accommodating groove (12).

4. A road and bridge crack repairing structure as claimed in claim 3, wherein: and a water absorbing layer (121) is fixed on the wall of the accommodating groove (12).

5. A road and bridge crack repairing structure of claim 4, wherein: the anti-cracking plate (41) is provided with a plurality of through holes (411) in a penetrating mode.

6. A road and bridge crack repairing structure of claim 5, wherein: and a horizontally arranged reinforcing plate (43) is fixed at one end of the anti-cracking rod (42) extending into the asphalt layer (3).

7. A road and bridge crack repairing structure of claim 6, wherein: and a self-healing concrete layer (5) is coated between the groove wall of the filling groove (1) and the concrete layer (2).

8. A road and bridge crack repairing structure of claim 7, wherein: and a rubber particle layer (51) is bonded on one side of the self-healing concrete layer (5) deviating from the groove wall of the filling groove (1).

9. A road and bridge crack healing structure as claimed in claim 8, wherein: a joint tape layer (6) is arranged between the groove wall at the groove opening of the filling groove (1) and the asphalt layer (3), and one side, close to the road surface, of the joint tape layer (6) extends and is bonded to the road surface and the surface of the asphalt layer (3) at the same time.

Images