CN217517288U - Asphalt additional pavement with fiber crack-resistant material layer - Google Patents

Abstract

The utility model relates to an old road reconstruction technical field, in particular to a pitch overlay pavement with a fiber crack-resistant material layer, which comprises an old road, a woven mesh and an asphalt layer, wherein the inner side of the old road is provided with a limit groove and a limit hole, the limit hole is arranged at the positions at the two sides of the crack of the old road, the inner side of the limit hole is provided with a connecting reinforcing bar, the positions at the two sides of the old road are fixedly connected with a roadbed, the upper end surface of the old road is provided with the woven mesh, the upper end of the woven mesh is provided with the asphalt layer, the inner side of the asphalt layer is provided with the fiber crack-resistant material layer, in the utility model, the asphalt layer containing the fiber crack-resistant material layer is laid at the upper end of the woven mesh through the woven mesh, the asphalt layer and the fiber crack-resistant material layer, the arrangement can prevent the reflection crack of the overlay in the process of reconstructing the old road, and can effectively improve the service life of the reconstructed road, has good practical value and is worth of wide popularization and application.

Description

Asphalt additional pavement with fiber crack-resistant material layer

Technical Field

The utility model relates to an old road reforms transform technical field, specifically is a pitch adds pavements with fibre hinders material layer that splits.

Background

With the continuous development of urban construction, the concept and form of urban construction are changed day by day, the urban road is an important component of urban construction, plays a role of lifting the weight in the process of urban construction, the scale and mileage of road construction are increased by geometric multiples every year, the road surface structure in urban road construction mainly takes cement concrete road surfaces as main components, and a plurality of cement concrete road surfaces reach or exceed the design service life, therefore, the repair or renovation of old cement concrete road is inevitable trend, because asphalt adding can effectively improve the service performance of the old cement concrete road surface, improve the driving comfort of road surface, and can fully utilize the strength of the old cement concrete road surface, and has low cost, convenient construction and small influence on traffic and environment, the asphalt adding is most applied in the reconstruction engineering of old cement road surfaces at home and abroad, however, the asphalt overlay at the joint of the old cement concrete pavement is easy to generate reflection cracks, so that the service life of the overlay is shortened, the pavement is cracked after two or three years of improper engineering, and after the reflection cracks occur on the pavement, if the pavement is not maintained (gap is filled) or repaired in time, rainwater can seep along the cracks, the bonding loss between the overlay and the old surface layer, the peeling of asphalt, the cracking and the expansion of cracks can be caused quickly under the action of the traffic load, so that the asphalt concrete overlay is seriously damaged, therefore, the repair is needed soon after the vehicle is opened, the cost of the asphalt overlay is increased, not only the economic benefit is lost, but also the social is affected badly, the use of a bituminous paving with a layer of fibrous crack-inhibiting material is increasing and, as a result, there is an increasing demand for a bituminous paving with a layer of fibrous crack-inhibiting material.

In the process of paving the overlay layer on most old roads in the market, due to the difference of conditions such as the conditions of the old roads, traffic composition, climate and the like, the geosynthetic material has a common effect of preventing the reflective cracks of the overlay layer on each road section, so that the asphalt overlay pavement with the fiber crack-resistant material layer is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pitch adds pavements with fibre hinders and splits material layer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pitch adds shop's road surface with fibre hinders material layer that splits, includes old road, woven mesh and pitch layer, spacing recess and spacing hole have been seted up to old road inboard, spacing hole sets up the position in old road crack both sides, spacing downthehole side is equipped with connecting reinforcement, the fixedly connected with road bed of position of old road both sides, old road up end is equipped with the woven mesh, the woven mesh upper end is equipped with the pitch layer, pitch layer inboard is equipped with the fibre and hinders the material layer that splits.

Preferably, the limiting hole is formed in the positions of two sides of the old road crack, the distance between the limiting hole and the old road crack is 10cm, the connecting steel bar arranged on the inner side of the limiting hole is arranged in a C shape, the connecting steel bar is arranged at the upper end of the old road crack, and the depth of the limiting hole is 15 cm.

Preferably, the roadbed, the old road, the mesh grid and the asphalt layer are fixedly connected together, and the distance between the roadbeds on one side of the old road is 5 m.

Preferably, the woven net is fixedly connected with the old road through a limiting block and a limiting groove.

Preferably, the two sides of the old road are symmetrically arranged between the road beds, and the upper end surfaces of the road beds and the asphalt layer are arranged on the same horizontal plane.

Preferably, the limiting grooves are arranged in parallel, the depth of each limiting groove is 0.5cm, the width of each limiting groove is 2cm, and the distance between every two limiting grooves is 5 cm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the asphalt layer containing the fiber crack-resistant material layer is laid at the upper end of the woven mesh through the woven mesh, the asphalt layer and the fiber crack-resistant material layer, so that the arrangement can prevent the reflection crack of the overlay layer in the process of reconstructing the old road, the service life of the reconstructed road can be effectively prolonged, and the road pavement structure has good practical value and is worth of wide popularization and use;

2. the utility model discloses in, through the road bed that sets up, spacing hole and connecting reinforcement, can carry out stable spacing to the old road crack that old road and old road were seted up, such setting can prevent effectively at the in-process of the use of reality that the cracked condition of bottom continuation appearance from taking place in the completion back is laid to the new road, has good stability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure: 1-old road, 2-limit groove, 3-old road crack, 4-roadbed, 5-connecting steel bar, 6-woven mesh, 7-limit block, 8-asphalt layer, 9-fiber crack-resistant material layer and 10-limit hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a pitch adds shop's road surface with fibre hinders material layer that splits, including old road 1, woven mesh 6 and pitch layer 8, spacing recess 2 and spacing hole 10 have been seted up to old road 1 inboard, spacing hole 10 sets up the position in old road crack 3 both sides, spacing hole 10 inboard is equipped with connecting reinforcement 5, the position fixedly connected with road bed 4 of old road 1 both sides, 1 up end on old road is equipped with woven mesh 6, 6 upper ends on woven mesh are equipped with pitch layer 8, 8 inboards on pitch layer are equipped with fibre and hinder material layer 9 that splits, fibre hinders the material layer that splits and chooses for use current fibre to hinder and splits the material and lay, for example current polypropylene monofilament fiber material etc. are laid.

The limiting holes 10 are arranged at the positions of two sides of the old road crack 3, the distance between the limiting holes 10 and the old road crack 3 is 10cm, the connecting steel bars 5 arranged on the inner sides of the limiting holes 10 are arranged in a C shape, the connecting steel bars 5 are arranged at the upper end of the old road crack 3, the depth of the limiting holes 10 is 15cm, certain tension can be formed at the positions of the two sides of the old road crack 3, the arrangement can position the old road crack 3 in the process of pouring concrete on the surface of the old road 1, and the situation that the bottom of the new road is continuously broken after the new road is paved is effectively prevented; the roadbed 4, the old road 1, the mesh grid 6 and the asphalt layer 8 are fixedly connected together, and the distance between the roadbed 4 on one side of the old road 1 is 5m, so that the positions on two sides of the old road 1 can be stably limited; the woven net 6 is fixedly connected with the old road 1 through the limiting block 7 and the limiting groove 2, so that the connection stability between the old road 1 and the woven net 6 is effectively improved; the roadbeds 4 arranged on the two sides of the old road 1 are symmetrically arranged, and the position of the upper end surface of the roadbed 4 and the position of the upper end surface of the asphalt layer 8 are arranged on the same horizontal plane, so that the whole road can be stably limited; the parallel arrangement is adopted between the limiting grooves 2, the depth of the limiting grooves 2 is 0.5cm, the width of the limiting grooves 2 is 2cm, the distance between the limiting grooves 2 is 5cm, and the friction force between the woven mesh 6 and the old road 1 is effectively increased.

The working process is as follows: in the process of paving an asphalt pavement with a fiber crack-resistant material layer, firstly, a worker needs to form a limiting groove 2 on the surface of an old road 1 by using a cutting machine, after the forming is finished, the worker needs to punch holes at the positions on two sides of an old road crack 3 formed on the old road 1, the distance between a limiting hole 10 formed and the old road crack 3 needs to be 10cm in the punching process, the worker needs to insert a connecting steel bar 5 into the position on the inner side of the limiting hole 10 formed on the old road 1 after the punching is finished, after the installation is finished, the worker needs to place a woven mesh 6 at the upper end of the old road 1, then concrete is used for pouring to stably connect the old road 1 and the woven mesh 6, the arrangement can adjust the horizontal degree of the upper end of the old road 1 in the actual use process, and simultaneously can improve the overall stability of the road by the arranged woven mesh 6, after pouring, the worker needs to build the roadbed 4 at the positions of two sides of the old road 1, the old road 1 and the woven mesh 6 can be limited in the using process by the arrangement, finally, the worker needs to lay a layer of asphalt with the height of 5cm on the woven mesh 6, then a fiber crack-resistant material layer 9 is laid on the asphalt, finally, a layer of asphalt with the height of 5cm is laid on the fiber crack-resistant material layer 9 to form an asphalt layer 8, and the height of the asphalt layer 8 is 10 cm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pitch adds pavements with fibre hinders and splits material layer, includes old road (1), mesh grid (6) and pitch layer (8), its characterized in that: spacing recess (2) and spacing hole (10) have been seted up to old road (1) inboard, spacing hole (10) set up the position in old road crack (3) both sides, spacing hole (10) inboard is equipped with connecting reinforcement (5), the position fixedly connected with road bed (4) of old road (1) both sides, old road (1) up end is equipped with mesh grid (6), mesh grid (6) upper end is equipped with pitch layer (8), pitch layer (8) inboard is equipped with fibre and hinders material layer (9).

2. A bituminous paving having a layer of fibrous crack barrier material according to claim 1, characterized in that: spacing hole (10) set up the position in old road crack (3) both sides, and spacing between spacing hole (10) and the old road crack (3) is 10cm, connecting reinforcement (5) that spacing hole (10) inboard set up are the setting of "C" type, connecting reinforcement (5) set up the position in old road crack (3) upper end, the degree of depth in spacing hole (10) is 15 cm.

3. The asphalt pavement with a layer of fiber crack-resistant material of claim 1, wherein: roadbed (4) and old road (1), mesh grid (6) and pitch layer (8) all fixed connection together, and the interval between roadbed (4) of old road (1) one side is 5 m.

4. A bituminous paving having a layer of fibrous crack barrier material according to claim 1, characterized in that: the woven net (6) is fixedly connected with the old road (1) through a limiting block (7) and a limiting groove (2).

5. A bituminous paving having a layer of fibrous crack barrier material according to claim 1, characterized in that: the road bed is characterized in that the two sides of the old road (1) are symmetrically arranged between the road beds (4), and the upper end surfaces of the road beds (4) and the asphalt layer (8) are arranged on the same horizontal plane.

6. A bituminous paving having a layer of fibrous crack barrier material according to claim 1, characterized in that: the novel multifunctional electric iron is characterized in that the limiting grooves (2) are arranged in parallel, the depth of each limiting groove (2) is 0.5cm, the width of each limiting groove (2) is 2cm, and the distance between every two limiting grooves (2) is 5 cm.

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