CN211522720U

CN211522720U - Prefabricated pavement restoration modular structure

Info

Publication number: CN211522720U
Application number: CN201921898668.7U
Authority: CN
Inventors: 张�浩; 汪家春; 张�林; 胡远敏; 朱咸士; 高敏
Original assignee: Anhui Jinfan Construction Co ltd
Current assignee: Anhui Jinfan Construction Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-09-18
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to a prefabricated road surface restores modular structure, including the prefabricated section, the prefabricated section is square platform, the prefabricated section inside be cavity structure the prefabricated section upper surface be provided with the grout hole the prefabricated section lower surface be provided with out the grout hole, the grout hole with it is linked together to go out the grout hole the reinforcing bar hole has been seted up to the both sides lateral wall correspondence of prefabricated section, through the reinforcing bar hole is in the inside reinforcing bar that sets up of prefabricated section, just the both ends of reinforcing bar are extended the prefabricated section the four corners of prefabricated section is provided with ground stake hole respectively, the breach department at the road bed that needs to fill is installed to the prefabricated section. The utility model has the advantages that the middle precast block is of a square platform structure, has simple structure, can be produced in batch in advance, does not need to measure the size of the road surface to be repaired and then customize, and saves time; by pressing the grouting material on the framework formed by the steel bars, the compression strength and the tensile strength of the prefabricated block are improved, and the connection strength of the prefabricated block and the pavement is ensured.

Description

Prefabricated pavement restoration modular structure

Technical Field

The utility model relates to a road construction technical field, concretely relates to prefabricated road surface restores modular structure.

Background

The cement concrete pavement has the advantages of high strength, durability, low maintenance cost and the like; and is often selected as the pavement of a premium road. However, in terms of the using condition of the national cement concrete pavement, a plurality of problems still exist, and the using quality of the highway is seriously influenced due to the fact that structural damage or functional defects appear on the cement concrete pavement and early diseases appear. For the repair of road surfaces, it is often used to remove a portion of the concrete and to pour new concrete. However, this process can be lengthy, with streets or highways being restricted by lanes, resulting in traffic jams and even accidents.

The application number of the prior art is 'CN 201810146400.1', the local repair structure of the asphalt pavement and the repair method thereof comprise a prefabricated module, the prefabricated module adopts a wedge-shaped body, four sides of the prefabricated module are uniformly changed slope surfaces, the prefabricated module is formed by pouring concrete, a distribution rib structure is arranged inside the prefabricated module close to the top surface at a certain distance, each cross point of the distribution rib structure is provided with a vertical downward inserted bar, the top of the inserted bar is bent downwards at a node position connected with the distribution rib structure, an extension section positioned at the bottom of the prefabricated module is inserted into a cushion layer of a roadbed, and the embedded prefabricated module and the cushion layer are stressed together, the repair structure can be used for quickly repairing the asphalt pavement after local damage, and the repair structure has good use durability, high construction speed, good road connection, consistent appearance and color and can quickly replace the damaged asphalt pavement, meanwhile, the repair method is simple in construction process and low in cost.

But the local repair structure of the asphalt pavement still has obvious defects in the using process: 1. the construction scheme of the device is only limited to repairing asphalt pavements, the repair of cement concrete pavements cannot be guaranteed, the pavements of most low-grade roads which are poured by cement concrete cannot be repaired, and the practicability is greatly reduced; 2. the device combines the prefabricated module and the road only through structural adhesive, the extending section of the bottom of the prefabricated module is fixed with the foundation, the connection stability of the prefabricated module is difficult to guarantee under the conditions of frequent load bearing and stress, and the mutual extrusion of the gap between the prefabricated module and the road surface easily causes the abrasion of the repair part and then the increase of the gap.

SUMMERY OF THE UTILITY MODEL

To the problem in the above-mentioned technical background, the utility model aims at providing a prefabricated road surface restores modular structure is applicable to different road surfaces, and to the restoration convenient operation on road surface, time weak point, joint strength height.

In order to realize the above purpose, the utility model discloses a technical scheme be:

the utility model provides a prefabricated road surface restores modular structure, includes the prefabricated section, the prefabricated section is square platform, the inside cavity structure that is of prefabricated section the prefabricated section upper surface be provided with the grout hole the prefabricated section lower surface be provided with out the grout hole, the grout hole with it is linked together to go out the grout hole the reinforcing bar hole has been seted up in the both sides lateral wall correspondence of prefabricated section, through the reinforcing bar hole is in the inside reinforcing bar that sets up of prefabricated section, just the both ends of reinforcing bar are extended the prefabricated section the four corners of prefabricated section is provided with ground stake hole respectively, the breach department at the road bed that needs to fill is installed to the prefabricated section.

Furthermore, the edge of breach sets up to the trapezoidal slope that the direction the road bed extends set up the arc hole on the trapezoidal slope, the reinforcing bar is placed in the arc is downthehole.

Furthermore, the arrangement position of the reinforcing steel bar hole corresponds to the position of the arc-shaped hole on the trapezoidal slope, so that the length of the reinforcing steel bar extending out of the precast block is slightly smaller than the length of the arc-shaped hole on the trapezoidal slope.

Furthermore, the edge of breach sets up to the slope that the road bed extends set up the arc hole on the slope, the reinforcing bar is placed in the arc is downthehole.

Furthermore, the arrangement position of the reinforcing steel bar hole corresponds to the position of the arc-shaped hole on the slope, so that the length of the reinforcing steel bar extending out of the precast block is slightly smaller than the length of the arc-shaped hole on the slope.

Further, the bottom of breach fixed mounting have a ground stake, the prefabricated section passes through the ground stake is installed in the breach.

Further, a roadbed material is poured at the connecting position between the precast block and the roadbed.

Further, the material of the precast block and the roadbed material are selected according to the property of the road to be repaired.

The technical effects of the utility model reside in that:

1. the utility model discloses well prefabricated section is square platform structure, simple structure, but batch production, can prepare the prefabricated section of different specifications in advance, and the corresponding prefabricated section of road surface specification selection according to needs repairing can again, and need not measure the road surface size that will restore earlier, prefabricates the customization again, saves time, can restore the road in the shortest time;

2. when carrying out road restoration, only need carry out simple sculpture with the road bed, place the prefabricated section in the breach of road bed again, the reinforcing bar passes inside the prefabricated section this moment, and both ends stretch out the edge of arranging the breach in, later pour asphalt concrete or cement concrete material through the grout hole, the inside concrete material of prefabricated section is through going out the grout hole, the reinforcing bar hole flows, and fill between the joint of prefabricated section and breach, pour the junction of concrete grout material between prefabricated section and road bed simultaneously, accomplish road surface restoration. The framework formed by the steel bars is pressed with the concrete material, so that the compression strength and the tensile strength of the prefabricated block are improved, the connection strength between the prefabricated block and the pavement is ensured, and the cross section fault phenomenon is prevented.

Drawings

Fig. 1 is a schematic structural view of a prefabricated pavement repair module structure in an embodiment of the present invention;

fig. 2 is the installation structure schematic diagram of the prefabricated pavement repairing module structure in an embodiment of the present invention

Fig. 3 is a schematic structural view of a prefabricated pavement repair module structure in another embodiment of the present invention;

fig. 4 is the utility model discloses prefabricated road surface restores modular structure's cross section structure sketch map.

Reference numerals: 1-prefabricating blocks; 2-grouting holes; 3-reinforcing steel bar holes; 4-reinforcing steel bars; 5-a ground pile hole; 6-roadbed; 7-notch; 8-slope; 9-trapezoidal slope; 10-ground piles; 11-grouting material.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Referring to the attached drawings 1-4, a prefabricated pavement repair modular structure comprises a prefabricated block 1, the prefabricated block 1 is a square platform, the interior of the prefabricated block 1 is of a hollow cavity structure, grouting holes 2 are formed in the upper surface of the prefabricated block 1, grout outlet holes are formed in the lower surface of the prefabricated block 1, the grouting holes 2 are communicated with the grout outlet holes, reinforcing steel bar holes 3 are correspondingly formed in the side walls of the two sides of the prefabricated block 1, reinforcing steel bars 4 are arranged in the prefabricated block 1 through the reinforcing steel bar holes 3, two ends of each reinforcing steel bar 4 extend out of the prefabricated block 1, ground pile holes 5 are formed in the four corners of the prefabricated block 1 respectively, and the prefabricated block 1 is installed in a gap 7 of a roadbed 6 to be filled.

The utility model discloses well prefabricated section 1 is square platform structure, but simple structure, batch production can prepare out the prefabricated section 1 of different specifications in advance, again according to the required road surface specification of repairing select corresponding prefabricated section 1 can, and need not measure the road surface size that will restore earlier, prefabricate the customization again, save time can restore the road in the shortest time.

When road restoration is carried out, only need to carve road bed 6, place prefabricated section 1 in breach 7 of road bed 6 again, reinforcing bar 4 passes inside prefabricated section 1 this moment, and both ends stretch out prefabricated section 1, make the edge of breach 7 arranged in at the both ends of reinforcing bar 4, later pour bituminous concrete or cement concrete's grout material 11 through grout hole 2, the grout material of prefabricated section 1 inside is through going out the thick liquid hole, reinforcing bar hole 3 flows out, and fill between prefabricated section 1 and the joint seam of breach 7, pour bituminous concrete or cement concrete material simultaneously in the junction between prefabricated section 1 and road bed 6, accomplish road surface restoration. The framework formed by the steel bars 4 is pressed with concrete materials, so that the compression strength and the tensile strength of the prefabricated block 1 are improved, the connection strength between the prefabricated block 1 and the pavement 6 is ensured, and the cross section fault phenomenon is prevented.

For further optimization the technical scheme of the utility model discloses an in the embodiment, the edge of breach 7 sets up to the trapezoidal slope 9 that 6 extend of road bed set up the arc hole on trapezoidal slope 9, reinforcing bar 4 is placed the arc is downthehole.

The arrangement position of the reinforcing steel bar hole 3 corresponds to the position of the arc-shaped hole on the trapezoidal slope 9, so that the length of the reinforcing steel bar 4 extending out of the precast block 1 is slightly smaller than the length of the arc-shaped hole on the trapezoidal slope 9.

As shown in fig. 1, in order to improve the roughness between prefabricated section 1 and the road bed 6, the edge of breach 7 is maintained to trapezoidal slope 9, according to the step width of trapezoidal slope 9, height dimension, the corresponding position that sets up reinforcing bar hole 3 on prefabricated section 1, or vice versa, according to the position of reinforcing bar hole 3 on prefabricated section 1 that prepares in advance, carry out corresponding trapezoidal slope to the edge of breach 7 and maintain, so that reinforcing bar 4 can be placed in the arc hole on trapezoidal slope 9 on prefabricated section 1, improve the joint strength between prefabricated section 1 and the road bed 6 and be connected the roughness.

The utility model discloses a further embodiment, the edge of breach 7 is seted up to the slope 8 that directional road bed 6 extends set up the arc hole on the slope 8, reinforcing bar 4 is placed in the arc hole.

The arrangement position of the reinforcing steel bar hole 3 corresponds to the position of the arc-shaped hole on the slope 8, so that the length of the reinforcing steel bar 4 extending out of the precast block 1 is slightly smaller than the length of the arc-shaped hole on the slope 8.

As shown in fig. 3, in the actual repair operation, it is comparatively simple to cut the edge of breach 7 into the inclined plane, can set up the arc hole of different degree of depth, length on slope 8, and at this moment, the thickness of prefabricated section 1 can be followed to the setting position of prefabricated section 1 upper reinforcement hole 3, the crisscross setting of width direction, and corresponding adjustment is carried out according to the position of different thickness department reinforcement holes 3 to the length that reinforcing bar 4 stretches out prefabricated section 1 simultaneously to the reinforcing bar 4 that passes prefabricated section 1 can be placed at the arc downthehole.

Further, a ground pile 10 is fixedly installed at the bottom of the gap 7, and the precast block 1 is installed in the gap 7 through the ground pile 10. The installation steadiness of precast block 1 is improved, and the repairing effect of the roadbed is improved.

Further, a roadbed material is poured at the connecting position between the precast block 1 and the roadbed 6.

Further, the material of the precast block 1 and the roadbed material are selected according to the properties of the road to be repaired. The corresponding repairing material is selected according to the property of the road to be repaired, and the method is suitable for repairing different pavements.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prefabricated road surface restores modular structure, includes prefabricated section (1), its characterized in that: precast block (1) is square platform, precast block (1) inside be the cavity structure precast block (1) upper surface be provided with grout hole (2) precast block (1) lower surface be provided with out the grout hole, grout hole (2) with it is linked together to go out the grout hole the reinforcing bar hole (3) has been seted up to the both sides lateral wall correspondence of precast block (1), through reinforcing bar hole (3) are in precast block (1) inside sets up reinforcing bar (4), just the both ends of reinforcing bar (4) are extended precast block (1) the four corners of precast block (1) are provided with ground stake hole (5) respectively, breach (7) department in the road bed (6) that need fill is installed in precast block (1).

2. A prefabricated road surface repairing modular structure according to claim 1, characterized in that: the edge of breach (7) is seted up to directional trapezoidal slope (9) that road bed (6) extend set up the arc hole on trapezoidal slope (9), reinforcing bar (4) are placed in the arc is downthehole.

3. A prefabricated road surface repairing modular structure as claimed in claim 2, wherein: the arrangement position of the reinforcing steel bar hole (3) corresponds to the position of the arc-shaped hole in the trapezoidal slope (9), so that the length of the reinforcing steel bar (4) extending out of the precast block (1) is slightly smaller than the length of the arc-shaped hole in the trapezoidal slope (9).

4. A prefabricated road surface repairing modular structure according to claim 1, characterized in that: the edge of breach (7) is seted up to directional slope (8) that road bed (6) extend seted up the arc hole on slope (8), reinforcing bar (4) are placed in the arc is downthehole.

5. The prefabricated pavement restoration module structure according to claim 4, wherein: the arrangement position of the reinforcing steel bar hole (3) corresponds to the position of the arc-shaped hole in the slope (8), so that the length of the reinforcing steel bar (4) extending out of the precast block (1) is slightly smaller than the length of the arc-shaped hole in the slope (8).

6. A prefabricated road surface repairing modular structure according to claim 1, characterized in that: the bottom fixed mounting of breach (7) has ground stake (10), prefabricated section (1) passes through ground stake (10) are installed in breach (7).

7. A prefabricated road surface restoration modular structure according to any one of claims 1-6, wherein: and pouring roadbed materials at the connecting part between the precast block (1) and the roadbed (6).

8. A prefabricated road surface repairing modular structure according to claim 7, characterized in that: the material of the precast block (1) and the roadbed material are selected according to the property of the road to be repaired.