CN215051703U

CN215051703U - Road pavement repairing structure

Info

Publication number: CN215051703U
Application number: CN202120326207.3U
Authority: CN
Inventors: 王游川; 段海粟; 王琴; 张雍丽
Original assignee: Chongqing Hanzhou Construction Engineering Co ltd
Current assignee: Chongqing Hanzhou Construction Engineering Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-12-07
Anticipated expiration: 2031-02-04

Abstract

The utility model relates to a road surface repair structure relates to the technical field of road construction, and it includes the roadbed and lays the roadbed body on the roadbed, the roadbed body includes old road bed and new road bed, old road bed surface is laid old road surface layer, new road bed includes the breakage-proof layer, the breakage-proof level is in one side that the roadbed was kept away from to new road bed, the breakage-proof layer upper berth is equipped with new road surface layer, one side that old road bed is close to new road bed is provided with a plurality of locking grooves, the thickness direction setting of locking groove along old road bed, one side that new road bed is close to old road bed is fixed in the locking inslot. The application has the advantages that the problem that the road is damaged due to the fact that the road is soaked by rainwater and the supporting strength of the road is reduced is solved.

Description

Road pavement repairing structure

Technical Field

The application relates to the technical field of road construction, in particular to a road pavement repairing structure.

Background

With the increasing of road traffic volume, heavy-duty vehicles and overload phenomena are serious, and the conditions of cracking or collapsing of the road surface are caused by various reasons under the influence of various environmental factors such as road surface structures, weather, terrains, geological conditions, driving loads and the like, and potential safety hazards exist if the cracked or collapsed road surface is not repaired.

The related technology is seen in Chinese patent with application number 201520210265.4 and discloses an assembled repair pavement, which comprises a highway subgrade and a rectangular polyurethane repair pavement slab paved on the highway subgrade, wherein the upper surface of the repair pavement slab is prefabricated into a wear-resistant surface, the lower surface of the repair pavement slab is prefabricated into a serrated surface, and the serrated surface is fixedly connected with the pavement subgrade through asphalt sand condensation; and the adjacent repair road panels are laid in a staggered manner.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the repair road surface concatenation of assembled forms a plurality of connecting gap, the road bed is easily infiltrated from connecting gap to the rainwater, leads to the impaired probability of road bed.

SUMMERY OF THE UTILITY MODEL

In order to improve the road and receive the rainwater to soak the problem that leads to the support intensity reduction of road and damage, this application provides a road surface repair structure.

The application provides a road surface repair structure adopts following technical scheme:

the utility model provides a road surface repair structure, includes the roadbed and lays the roadbed body on the roadbed, the roadbed body includes old road bed and new roadbed, old roadbed surface is laid old road surface layer, new roadbed includes the breakage-proof layer, the breakage-proof level is located one side that the roadbed was kept away from to new roadbed, the breakage-proof layer upper berth is equipped with new road surface layer, one side that old road bed is close to new roadbed is provided with a plurality of locking grooves, the thickness direction setting of old road bed is followed in the locking groove, one side that new road bed is close to old road bed is fixed in the locking inslot.

By adopting the technical scheme, the connection strength of the new roadbed is improved due to the effect of the anti-breaking layer, so that the probability of the new roadbed that cracks is damaged is reduced, rainwater is not easy to infiltrate and damage the roadbed, meanwhile, the new roadbed and the old roadbed are fixedly connected through the locking groove, the connection strength of the new roadbed and the old roadbed is improved, and the probability of the roadbed that the cracked rainwater infiltrates is further reduced.

Optionally, the shatter prevention layer is close to old road bed one side turn over the book and cover in the joint gap of new road bed and old road bed, the shatter prevention layer is close to old road bed one side and old road bed mutual butt.

Through adopting above-mentioned technical scheme, the turnover portion of shatterproof layer has reduced the length of new road bed and old road bed joint gap, has reduced the probability of rainwater infiltration new road bed and old road bed joint gap.

Optionally, a sealing groove is formed in a joint gap between the old roadbed and the anti-breaking layer, and an emulsion layer is arranged in the sealing groove.

Through adopting above-mentioned technical scheme, when the vehicle when restoreing the road surface, can receive the extrusion with the emulsion layer in the seal groove, the emulsion layer can follow the extrusion degree and stretch out and draw back, improves the leakproofness in the joint gap of old basic unit and shatterproof layer.

Optionally, the breakage-proof layer surface is provided with a plurality of spread grooves, and is a plurality of the spread groove sets up along the length direction of road, the lower part of new road bed is fixed in the spread groove.

By adopting the technical scheme, the connecting groove increases the friction force between the new pavement layer and the new base layer, and the probability of lateral displacement of the new pavement layer is reduced, so that the probability of pavement cracking is reduced.

Optionally, a diversion trench is arranged on the surface of the shatter prevention layer, the diversion trench is arranged along the width direction of the road surface, and one end, far away from the old road surface, of the diversion trench is arranged in a downward inclined mode.

Through adopting above-mentioned technical scheme, the guiding gutter can play certain guide effect to the rainwater in the new surface of road layer for the rainwater is the road surface of discharging more easily, reduces surface water and forms the probability that the water-retaining jar caused the destruction to the road surface.

Optionally, a flow blocking layer is embedded in the new pavement and the old pavement.

Through adopting above-mentioned technical scheme, the choking layer has reduced the probability of rainwater infiltration downwards, reduces the probability that the road surface steeps water and damages, and then the life on extension restoration road surface.

Optionally, both sides of the roadbed body are provided with road shoulders in an abutting mode, and drain holes are formed in the side walls of the road shoulders.

By adopting the technical scheme, the road shoulders on the two sides of the road play a certain clamping role on the roadbed, so that the probability of transverse movement of the roadbed body is reduced, and the probability of cracking of the road surface is reduced.

Optionally, one side that the road shoulder kept away from the road bed body is provided with the support column, support column one end is fixed in the road shoulder, the support column other end downward sloping and embedding ground.

Through adopting above-mentioned technical scheme, the support column can improve the compressive strength of curb, improves the result of use of curb.

Optionally, a drainage ditch is arranged on one side, away from the roadbed body, of the road shoulder.

Through adopting above-mentioned technical scheme, the escape canal can discharge the rainwater to the assigned position, reduces the probability that rainwater infiltration road both sides caused the damage to the road bed.

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

1. due to the action of the anti-breaking layer, the connection strength of the new roadbed is improved, so that the probability of cracking and damage of the new roadbed is reduced, rainwater is not easy to seep down to damage the roadbed, meanwhile, the new roadbed and the old roadbed are fixedly connected through the locking groove, the connection strength of the new roadbed and the old roadbed is improved, and the probability of rainwater seepage caused by cracking of the roadbed is further reduced;

2. the connecting groove increases the friction between the new pavement layer and the new roadbed, and reduces the probability of lateral displacement of the new pavement layer, thereby reducing the probability of pavement cracking.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of a connection structure of a new roadbed and an old roadbed.

Fig. 3 is a partial structural view under a new pavement layer and an old pavement layer.

Fig. 4 is a partial structure view taken along the plane a-a in fig. 3.

Description of reference numerals: 1. a road bed; 2. a roadbed body; 21. old roadbed; 211. a locking groove; 22. a new roadbed; 221. a shatter prevention layer; 222. connecting grooves; 223. a diversion trench; 3. an old pavement layer; 4. a new pavement layer; 5. an emulsifying layer; 6. a fluid barrier layer; 7. a road shoulder; 71. a support pillar; 72. a drain hole; 8. and (7) a drainage ditch.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses road surface restores structure. Referring to fig. 1, the road pavement repairing structure comprises a roadbed 1 and a roadbed body 2 paved on the roadbed 1, wherein the roadbed body 2 comprises an old roadbed 21 and a new roadbed 22, and a connecting structure is arranged on one side, close to the old roadbed 21, of the new roadbed 22 and can reduce the probability of separation of the connecting part of the new roadbed 22 and the old roadbed 21.

Referring to fig. 1 and 2, an old road bed 21 is paved with an old road surface layer 3, a new road surface layer 4 is paved with a new roadbed 22, and the old road surface layer 3 and the new road surface layer 4 are both formed by pressing crushed stone mixed asphalt; the roadbed body 2 is formed by pressing concrete-mixed broken stones, one side of the old roadbed 21 close to the new roadbed 22 is provided with a plurality of locking grooves 211 along the thickness direction of the road surface, the locking grooves 211 are uniformly distributed along the length direction of the road, the notches of the locking grooves 211 face the new roadbed 22, and the width of the groove bottoms of the locking grooves 211 is larger than that of the notches, such as dovetail grooves; the concrete in the locking groove 211 is filled while the concrete of the new roadbed 22 is poured, so that the new roadbed 22 and the concrete in the locking groove 211 are poured integrally, and the width of the groove bottom of the locking groove 211 is larger than that of the notch, so that the new roadbed 22 and the old roadbed 21 can be connected more stably, and the cracking probability of the roadbed is reduced.

Referring to fig. 1 and 2, a shatter prevention layer 221 is arranged between the new roadbed 22 and the new roadbed layer 4, when concrete of the new roadbed 22 is poured, concrete embedded steel bars are poured integrally with the new roadbed 22 to form the shatter prevention layer 221, one side, close to the old roadbed 21, of the shatter prevention layer 221 is arranged in an upward inclined mode and covers one side, far away from the roadbed 1, of the locking groove 211, so that the shatter prevention layer 221 can cover a connecting gap between the new roadbed 22 and the old roadbed 21, and one side, close to the old roadbed 21, of the shatter prevention layer 221 is abutted to the old roadbed 21; the embedded steel bars can enhance the connection strength of concrete, reduce the probability of breaking and splitting of the concrete and reduce the probability of rainwater infiltration.

Referring to fig. 3, a sealing groove is formed at a connection gap between the old roadbed 21 and the shatter prevention layer 221, the sealing groove is formed along a path of the connection gap between the old roadbed 21 and the shatter prevention layer 221, an emulsion layer 5 is filled in the sealing groove, and the emulsion layer 5 is made of a soft material, such as emulsified asphalt; when emulsion layer 5 in the seal groove receives the extrusion, emulsion layer 5 can follow the extrusion degree and stretch out and draw back, improves the leakproofness in the connecting gap of old basic unit and breakage-proof layer 221.

Referring to fig. 3, a plurality of connecting grooves 222 are formed in one side of the shatter prevention layer 221, which is close to the new pavement layer 4, the connecting grooves 222 are arranged along the length direction of the road, the connecting grooves 222 are formed by the fact that the surface of the shatter prevention layer 221 is concave, the connecting grooves 222 are evenly distributed along the width direction of the road, one side of the new pavement layer 4, which is close to the new roadbed 22, is embedded in the connecting grooves 222, the probability of lateral movement of the new pavement layer 4 is reduced, and therefore the probability of cracking of the new pavement layer 4 is reduced.

Referring to fig. 3, in order to reduce the probability that new surface course 4 takes place the ponding and forms the water keeper, one side that shatterproof layer 221 is close to new surface course 4 is established and is provided with a plurality of guiding gutters 223, guiding gutter 223 sets up along the width direction on road surface, a plurality of guiding gutters 223 are evenly arranged along the length direction of road, guiding gutter 223 also is by the concave formation in shatterproof layer 221 surface, for the result of use that improves guiding gutter 223, the one end downward sloping setting of old surface course 3 is kept away from to guiding gutter 223, make the rainwater flow towards the road both sides more easily.

The new pavement layer 4 and the old pavement layer 3 are internally provided with the flow blocking layer 6, the flow blocking layer 6 is filled in the crushed stone gaps of the new pavement layer 4 and the old pavement layer 3, the flow blocking layer 6 is made of hydrophobic raw materials, such as asphalt pavement regeneration sealant, and the flow blocking layer 6 reduces the probability of rainwater infiltrating into the pavement; the asphalt pavement regeneration sealant has strong permeability, can better permeate into the connecting gap of asphalt macadam, and simultaneously can also reduce the degree and brittleness of pavement aging, enhances the flexibility and elasticity of asphalt pavement, and ensures that the new pavement layer 4 and the old pavement layer 3 have better connectivity and are not easy to crack.

Referring to fig. 3, shoulders 7 are arranged on two sides of a road, the shoulders 7 are rectangular, the shoulders 7 are arranged along the length direction of the road, the shoulders 7 are formed by pouring reinforced concrete, the upper surfaces of the shoulders 7 are flush with the road, and one side of the shoulders 7 close to the road is tightly abutted to the roadbed body 2; during the use, the curb 7 of road both sides is with road bed body 2 centre gripping in, has reduced the probability that the road takes place horizontal fracture, has improved the result of use of restoreing the road surface.

Referring to fig. 3, in order to improve the use effect of the road shoulder 7, a plurality of support columns 71 are arranged at intervals on one side of the road shoulder 7 away from the roadbed body 2, the support columns 71 are also formed by pouring reinforced concrete, one ends of the support columns 71 are abutted and fixed on one side of the road shoulder 7 away from the roadbed body 2, and the other ends of the support columns 71 are inclined downwards and buried in the ground at two sides of the road.

Referring to fig. 4, a plurality of drain holes 72 are uniformly formed in a portion of the shoulder 7 abutting the new road surface layer 4 and the old road surface layer 3, the drain holes 72 are formed along the width direction of the road, the drain holes 72 penetrate the shoulder 7, and in order to improve the use effect of the drain holes 72, one end of the drain holes 72 close to the roadbed body 2 is higher than one end of the road surface of the principle of the drain holes 72.

Referring to fig. 4, in order to reduce the possibility of damage of the roadbed on the two sides of the road caused by water soaking, the drainage hole 72 close to the road shoulder 7 is provided with a drainage ditch 8, the drainage ditch 8 is positioned on one side of the road shoulder 7 far away from the roadbed body 2, and the drainage ditch 8 is arranged along the length direction of the road.

The construction mode of the road pavement restoration structure of the embodiment of the application is as follows: firstly, digging and chiseling the damaged part of the road; then, an upper edge of the old roadbed 21 close to one side of the new roadbed 22 to be filled is provided with a notch; then, cutting a locking groove 211 at the notch; then laying a new roadbed 22; then, a sealing groove is formed in a connecting gap between the new roadbed 22 and the old roadbed 21, and then an emulsion layer 5 is filled in the sealing groove; then laying a new pavement layer 4; then filling the flow blocking layer 6 into the new pavement layer 4 and the old pavement layer 3; then, mounting the road shoulder 7 and the support column 71 on two sides of the roadbed; and finally, arranging drainage ditches 8 on two sides of the roadbed body 2.

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 road surface restores structure which characterized in that: including roadbed (1) and lay roadbed body (2) on roadbed (1), roadbed body (2) includes old roadbed (21) and new roadbed (22), old roadbed (21) surface is laid old road surface layer (3), new roadbed (22) is including shatterproof layer (221), shatterproof layer (221) are located one side that roadbed (1) was kept away from in new roadbed (22), shatterproof layer (221) upper berth is equipped with new road surface layer (4), one side that old roadbed (21) is close to new roadbed (22) is provided with a plurality of locking grooves (211), locking groove (211) set up along the thickness direction of old roadbed (21), one side that new roadbed (22) is close to old roadbed (21) is fixed in locking groove (211).

2. The road surface repairing structure according to claim 1, characterized in that: breakage-proof layer (221) are close to old road bed (21) one side turn-ups and cover in the joint gap of new road bed (22) and old road bed (21), breakage-proof layer (221) are close to old road bed (21) one side and old road bed (21) mutual butt.

3. The road surface repairing structure according to claim 2, characterized in that: a sealing groove is formed in the joint of the old roadbed (21) and the shatterproof layer (221), and an emulsion layer (5) is arranged in the sealing groove.

4. The road surface repairing structure according to claim 1, characterized in that: the surface of the anti-breaking layer (221) is provided with a plurality of connecting grooves (222), the connecting grooves (222) are arranged along the length direction of a road, and the lower portion of the new roadbed (22) is fixed in the connecting grooves (222).

5. The road surface repairing structure according to claim 1, characterized in that: the surface of the shatterproof layer (221) is provided with a diversion trench (223), the diversion trench (223) is arranged along the width direction of the road surface, and one end of the diversion trench (223) far away from the old road surface is inclined downwards.

6. The road surface repairing structure according to claim 1, characterized in that: and a flow blocking layer (6) is embedded in the new pavement and the old pavement layer (3).

7. The road surface repairing structure according to claim 1, characterized in that: the roadbed is characterized in that two sides of the roadbed body (2) are abutted with road shoulders (7), and drain holes (72) are formed in the side walls of the road shoulders (7).

8. The road surface repairing structure according to claim 7, characterized in that: one side that road shoulder (7) kept away from road bed body (2) is provided with support column (71), support column (71) one end is fixed in road shoulder (7), support column (71) other end downward sloping and embedding ground end.

9. The road surface repairing structure according to claim 7, characterized in that: and a drainage ditch (8) is arranged on one side, away from the roadbed body (2), of the road shoulder (7).