CN215887801U

CN215887801U - Anti-cracking asphalt concrete combined road surface structure

Info

Publication number: CN215887801U
Application number: CN202122397051.0U
Authority: CN
Inventors: 李华杰; 黄燊华; 张伟
Original assignee: Guangdong Shenji Construction Engineering Co ltd
Current assignee: Guangdong Shenji Construction Engineering Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-22
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to a highway road surface technical field just discloses an anti bituminous concrete combination road surface structure that ftractures, including the subbase, the subbase upper end is provided with rammer layer, one side that the subbase was kept away from on rammer layer is provided with the bed course, one side that the subbase was kept away from on the bed course is provided with concrete layer, be equipped with a plurality of reinforcing bar in the concrete layer, a plurality of reinforcing bar is latticed and distributes, one side that rammer layer was kept away from on concrete layer sets up the waterproof layer, one side that the subbase was kept away from to the waterproof layer is provided with the drainage blanket, one side that the rammer layer was kept away from on the drainage blanket is provided with the asphalt layer. This application makes concrete layer, bed course and rammed earth layer connect into a whole, and the bed course can cushion the power that receives on the concrete layer, avoids the concrete layer to produce the deformation because of the large-tonnage vehicle rolls as far as possible, causes bituminous paving fracture.

Description

Anti-cracking asphalt concrete combined road surface structure

Technical Field

The application relates to the technical field of highway pavements, especially, relate to an anti bituminous concrete composite pavement structure that ftractures.

Background

With the rapid development of social economy, the highway industry as one of the infrastructure is also rapidly developed, the social requirements on highways with high quality and high service performance are increasingly improved, and the traffic volume and vehicles are rapidly increased, so that the structure of the existing rigid concrete pavement is deformed and damaged, and the service performance and the service life of the pavement are influenced.

The asphalt concrete combined pavement lays a flexible asphalt layer above the concrete layer, has the high-quality characteristics of high damage resistance, smooth and dustless pavement, impermeability, durability and the like, and can be repaired. However, the connection integrity of the concrete layer and the rammed soil layer of the existing asphalt concrete combined pavement is poor, the force applied to the concrete layer cannot be buffered, and the concrete layer is easy to deform due to long-time rolling of a large-tonnage vehicle, so that the asphalt pavement is cracked.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aim at solving among the prior art asphalt concrete composite pavement's concrete layer and rammer layer be connected the wholeness relatively poor, can not cushion the power that receives on the concrete layer, cause the problem of bituminous paving fracture, and the anti bituminous concrete composite pavement structure that ftractures that proposes.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides an anti bituminous concrete composite pavement structure that splits, includes the subbase, the subbase upper end is provided with rammer layer, one side that the subbase was kept away from to rammer layer is provided with the bed course, one side that the subbase was kept away from to the bed course is provided with concrete layer, be equipped with a plurality of reinforcing bar in the concrete layer, a plurality of reinforcing bar is latticed and distributes, one side that the subbase was kept away from to concrete layer sets up the waterproof layer, one side that the subbase was kept away from to the waterproof layer is provided with the drainage blanket, one side that the rammer layer was kept away from to the drainage blanket is provided with the pitch layer, the subbase in situ buries there is the bottom plate, the bottom plate upper end is the even equidistance fixedly connected with a plurality of anchor strut of rectangle, anchor strut and the steel bar welding that corresponds.

Preferably, the upper ends of the asphalt layer and the drainage layer are symmetrically provided with drainage grooves, and the two drainage grooves divide the asphalt layer into a middle part and two edge parts.

Preferably, the waterproof layer is an epoxy resin waterproof coating, and glass fibers are filled in the waterproof layer.

Preferably, the cushion layer is a layer structure formed by laying gravels, dregs or gravels, and the thickness of the cushion layer is the same as that of the concrete layer.

Preferably, an inverted triangular support frame is fixedly connected between every two adjacent reinforcing rods and arranged in the cushion layer.

Preferably, the wall of the reinforcing rod is fixedly connected with an embedded rod, and two ends of the embedded rod extend into the rammed earth layer.

Preferably, a stainless steel filter screen is fixedly connected to the inner wall of the drainage groove, and the thickness of the middle of the asphalt layer is larger than the edge of the asphalt layer.

Preferably, the bottom of the support frame is fixedly connected with a fixing plate, and the fixing plate is arranged at the upper end of the rammed earth layer.

Compared with the prior art, the application provides an anti bituminous concrete composite plane structure that ftractures possesses following beneficial effect:

this anti bituminous concrete composite pavement structure that ftractures, through setting up the subbase, the rammer layer, the bed course, the concrete layer, the waterproof layer, the drainage blanket, the pitch layer, bottom plate and anchor strut, connect a plurality of anchor strut on the bottom plate and extend to in the concrete layer, and with the intraformational reinforcing bar fixed connection of concrete, make the concrete layer, bed course and rammer layer are connected into a whole, the concrete layer is better with the connection wholeness on rammer layer, and the bed course can cushion the power that receives on the concrete layer, avoid the concrete layer to roll and produce deformation because of the large-tonnage vehicle as far as possible, cause bituminous paving fracture.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, and this application makes concrete layer, bed course and rammed earth layer connect into a whole, and the bed course can cushion the power that receives on the concrete layer, avoids concrete layer to produce the deformation because of the large-tonnage vehicle rolls as far as possible, causes the bituminous paving fracture.

Drawings

FIG. 1 is a schematic structural diagram of a crack-resistant asphalt concrete combined road surface structure proposed in the present application;

fig. 2 is a top view of a crack-resistant asphalt concrete composite pavement structure according to the present disclosure.

In the figure: 1 subbase layer, 2 ramming earth layers, 3 bed courses, 4 concrete layers, 5 waterproof layers, 6 drainage layers, 7 asphalt layers, 8 bottom plates, 9 reinforcing rods, 10 drainage grooves, 11 support frames, 12 embedded rods, 13 filter screens, 14 fixing plates and 15 reinforcing steel bars.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Referring to fig. 1-2, a cracking-resistant asphalt concrete combined pavement structure comprises a subbase layer 1, a rammed earth layer 2 is arranged at the upper end of the subbase layer 1, a cushion layer 3 is arranged at one side of the rammed earth layer 2 far away from the subbase layer 1, a concrete layer 4 is arranged at one side of the cushion layer 3 far away from the subbase layer 1, a plurality of reinforcing steel bars 15 are arranged in the concrete layer 4, the plurality of reinforcing steel bars 15 are distributed in a grid shape, the cushion layer 3 is a layer structure formed by laying gravel, slag or broken stone, the road construction cost can be saved by adopting the slag as a filler, the thicknesses of the cushion layer 3 and the concrete layer 4 are the same, a drainage layer 6 is arranged at one side of the waterproof layer 5 far away from the subbase layer 1, a pitch layer 7 is arranged at one side of the drainage layer 6 far away from the rammed earth layer 2, a fixing plate 14 is fixedly connected at the bottom of a support frame 11, the fixing plate 14 is arranged at the upper end of the rammed earth layer 2, a bottom plate 8 is embedded in the subbase layer 1, a plurality of rectangular uniform and equidistant rods 9 are fixedly connected at the upper end of the bottom plate 8, reinforcing bar 9 and the welding of the reinforcing bar 15 that corresponds, fixedly connected with embedded bar 12 on the 9 walls of reinforcing bar, the both ends of embedded bar 12 extend to rammed earth layer 2 in, equal fixedly connected with falls three horn shapes's support frame 11 between the adjacent reinforcing bar 9, support frame 11 sets up in bed course 3, connect on the bottom plate 8 in a plurality of reinforcing bar 9 extends to concrete layer 4, and with the 15 fixed connection of reinforcing bar in concrete layer 4, make concrete layer 4, bed course 3 and rammed earth layer 2 connect into a whole, concrete layer 4 is better with rammed earth layer 2's connection wholeness, and bed course 3 can cushion the power that receives on concrete layer 4, avoid concrete layer 4 to roll and produce the deformation because of the large-tonnage vehicle as far as possible, cause the bituminous paving fracture.

Referring to fig. 1, a waterproof layer 5 is arranged on one side of a concrete layer 4 far away from a rammed earth layer 2, the waterproof layer 5 is an epoxy resin waterproof coating, glass fiber is filled in the waterproof layer 5, the epoxy resin waterproof coating is a common building waterproof material, the epoxy resin waterproof coating and the glass fiber are added, so that the waterproof layer 5 has good corrosion resistance, drainage grooves 10 are symmetrically arranged at the upper ends of an asphalt layer 7 and a drainage layer 6 together, the asphalt layer is divided into a middle part and two edge parts by the two drainage grooves 10, a stainless steel filter screen 13 is fixedly connected in the groove wall of the drainage groove 10, the filter screen 13 can prevent solid impurities from entering the drainage grooves 10, the thickness of the middle part of the asphalt layer 7 is larger than the edge parts of the asphalt layer 7, the drainage grooves 10 are arranged at the two sides of the asphalt layer 7 and the drainage layer 6 and can lead accumulated water on a road surface away for drainage, the waterproof layer 5 is arranged above the concrete layer 4, the rainwater infiltration can be effectively reduced, so that the soil loss of the ramming layer 2 and the subbase layer 1 is caused, and the concrete layer 4 is collapsed.

In this application, at the water drainage tank 10 that

asphalt layer

7 and 6 both sides of drainage blanket set up, can draw away the drainage with ponding on the road surface, set up waterproof layer 5 above concrete layer 4, can effectively reduce rainwater infiltration, and cause rammer layer 2 and underlayment 1's soil loss, lead to concrete layer 4 to cave in, connect in a plurality of anchor strut 9 extends to concrete layer 4 on the

bottom plate

8, and 15 fixed connection with the reinforcing bar in concrete layer 4, make concrete layer 4, bed course 3 and rammer layer 2 connect into a whole, concrete layer 4 is better with rammer layer 2's connection wholeness, and bed course 3 can cushion the power that receives on concrete layer 4, avoid concrete layer 4 to roll because of the large-tonnage vehicle to produce the deformation as far as possible, cause bituminous paving fracture.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. The cracking-resistant asphalt concrete combined pavement structure comprises a subbase (1) and is characterized in that a ramming layer (2) is arranged at the upper end of the subbase (1), a cushion layer (3) is arranged on one side, away from the subbase (1), of the ramming layer (2), a concrete layer (4) is arranged on one side, away from the subbase (1), of the cushion layer (3), a plurality of reinforcing steel bars (15) are arranged in the concrete layer (4), the plurality of reinforcing steel bars (15) are distributed in a grid shape, a waterproof layer (5) is arranged on one side, away from the ramming layer (2), of the concrete layer (4), a drainage layer (6) is arranged on one side, away from the subbase (1), of the waterproof layer (5), a bitumen layer (7) is arranged on one side, away from the ramming layer (2), a base plate (8) is embedded in the subbase (1), and a plurality of reinforcing rods (9) are fixedly connected to the upper end of the base plate (8) in a rectangular uniform and equidistant manner, the reinforcing rods (9) are welded with corresponding reinforcing steel bars (15).

2. The cracking-resistant asphalt concrete combined road surface structure as claimed in claim 1, wherein the upper ends of the asphalt layer (7) and the drainage layer (6) are symmetrically provided with drainage grooves (10), and the two drainage grooves (10) divide the asphalt layer (7) into a middle part and two edge parts.

3. The cracking-resistant asphalt concrete combined pavement structure as claimed in claim 1, wherein the waterproof layer (5) is an epoxy resin waterproof coating, and the waterproof layer (5) is filled with glass fibers.

4. The cracking-resistant asphalt concrete combined pavement structure as claimed in claim 1, wherein the cushion layer (3) is a layer structure formed by laying sand, slag or broken stone, and the thickness of the cushion layer (3) and the thickness of the concrete layer (4) are the same.

5. The cracking-resistant asphalt concrete combined pavement structure as claimed in claim 1, wherein an inverted triangular support frame (11) is fixedly connected between adjacent reinforcing rods (9), and the support frame (11) is arranged in the cushion layer (3).

6. The cracking-resistant asphalt concrete combined pavement structure as claimed in claim 1, wherein the wall of the reinforcing rod (9) is fixedly connected with an embedded rod (12), and two ends of the embedded rod (12) extend into the ramming layer (2).

7. The cracking-resistant asphalt concrete combined pavement structure as claimed in claim 2, wherein a stainless steel filter screen (13) is fixedly connected in the wall of the drainage channel (10), and the thickness of the middle part of the asphalt layer (7) is greater than that of the edge part of the asphalt layer (7).

8. The cracking-resistant asphalt concrete combined pavement structure as claimed in claim 5, wherein a fixing plate (14) is fixedly connected to the bottom of the supporting frame (11), and the fixing plate (14) is arranged at the upper end of the ramming layer (2).