CN215051684U

CN215051684U - Widening structure for old road reconstruction

Info

Publication number: CN215051684U
Application number: CN202121091454.6U
Authority: CN
Inventors: 武强; 张永军; 侯光辉; 李银凤; 程丽立; 王海云; 裴增胜; 王文韬; 李梅; 李云亮; 严志胜
Original assignee: Shanxi Road And Bridge No6 Engineering Co ltd
Current assignee: Shanxi Road And Bridge No6 Engineering Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-07
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a widening structure for old road reconstruction, which comprises an original embankment, wherein both sides of the original embankment are provided with new embankments, and two opposite sides of the new embankments are fixedly connected with retaining walls, the utility model can improve road bearing capacity, enhance roadbed stability, reduce uneven settlement of roads and reduce possibility of cracking of road surfaces by arranging the retaining walls, can widen the road surface without occupying land by utilizing inclined planes of slopes at both sides of the original embankment, saves land resources, adopts consistent materials for the original embankment and the new embankment, can well combine new and old road surfaces, improve the integrity of the road surfaces, reduce engineering cost, reduce road construction cost and maintenance investment by arranging the retaining walls, avoid water and soil loss from causing road surface collapse, and is in an original rigid protective layer and a new rigid protective layer, due to the first rigid layer, the rigidity of the entire road structure can be enhanced.

Description

Widening structure for old road reconstruction

Technical Field

The utility model relates to an old way transformation technical field specifically is a widen structure for old way transformation.

Background

The embankment is a common road cross section form in traffic transportation engineering road construction, the embankment widening common method comprises the step of directly widening according to the gradient of an original embankment, although the direct widening construction is simple, convenient and quick, and low in cost, the embankment occupies the land on two sides of a road, soil collection and land acquisition require cooperation of local governments to determine right demarcation and area verification, and farmers often generate conflict emotions due to land loss, so that land acquisition cannot be carried out on time, the engineering progress is influenced, and the cost is too high.

Therefore, the engineering cost is reduced, the construction efficiency is improved, and the occupation of land resources by road widening is urgently needed to be solved at present, so that a widening structure for old road reconstruction is provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a widen structure for old road reconstruction possesses and reduces the road and widen the advantage that occupies the soil resource, and it is high to have solved old road reconstruction engineering cost, and the efficiency of construction is low to and the road is widened and is needed to occupy the problem of soil resource.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a widen structure for old road transformation, includes former embankment, the both sides of former embankment all are provided with new embankment, two the equal fixedly connected with barricade in one side that new embankment carried on the back mutually, former embankment includes former basic unit, the former rigidity inoxidizing coating of top fixedly connected with of former basic unit, the former road surface layer of top fixedly connected with of former rigidity inoxidizing coating, new embankment includes new basic unit, the new rigidity inoxidizing coating of top fixedly connected with of new basic unit, the new road surface layer of top fixedly connected with of new rigidity inoxidizing coating.

Preferably, the water outlets are formed in the two sides, opposite to each other, of the retaining walls, and the number of the water outlets is not less than eight.

Preferably, the top of the retaining wall is fixedly connected with street lamps, and the number of the street lamps is not less than eight.

Preferably, the original rigid protective layer and the new rigid protective layer are both formed by laying the same material, and the original rigid protective layer and the new rigid protective layer are both formed by laying a first rigid layer and a second rigid layer.

Preferably, the original pavement layer and the new pavement layer are both formed by paving the same material, and the original pavement layer and the new pavement layer are formed by paving an asphalt upper surface layer and a foamed asphalt lower surface layer together.

Preferably, both sides of the original embankment are provided with side slopes, and the new embankment is fixedly connected with the original embankment through the side slopes.

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

1. the utility model can improve the bearing capacity of the road, enhance the stability of the roadbed, reduce the uneven settlement of the road and reduce the possibility of the cracking of the road surface by arranging the retaining wall, and can widen the road surface without occupying the land by utilizing the inclined planes of the side slopes at the two sides of the original embankment, thereby saving the land resource, and the materials adopted by the original embankment and the new embankment are consistent, thereby combining the new road surface and the old road surface well, improving the integrity of the road structure, reducing the engineering cost, reducing the road construction cost and the maintenance investment by arranging the retaining wall, avoiding the road surface collapse caused by water and soil loss, and in the original rigid protective layer and the new rigid protective layer, because the first rigid layer can enhance the integral rigidity of the road structure, at the moment, the laying of the second rigid layer can further improve the integral rigidity of the road structure on the basis of the first rigid layer, and the setting of foam asphalt lower surface course in former road surface layer and the new road surface layer has the effect of certain stress absorption, can reduce the disease to basic unit reflection crack fracture effectively and improve its anti rutting ability, and through setting up pitch upper surface layer, can effectual reinforcing this road structure's water stability, effectively improve the life on its road surface, the cooperation of above structure has solved old road and has reformed transform the engineering cost height, the efficiency of construction is low to and the road is widened and need occupy the problem of land resource.

2. The utility model can rapidly discharge the water seepage on the road surface in rainy days by arranging the water outlet, thereby prolonging the service life of the road;

through setting up the street lamp, can make things convenient for vehicle and pedestrian that pass to observe the road at night.

Drawings

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

fig. 2 is a cross-sectional view of an original embankment and a new embankment in the structure of the present invention;

FIG. 3 is a cross-sectional view of the pavement layer in the structure of the present invention;

fig. 4 is a cross-sectional view of the primary rigid protective layer in the structure of the present invention.

In the figure: 1. an original embankment; 2. a new embankment; 3. retaining walls; 4. a water outlet; 5. a street lamp; 6. a first rigid layer; 7. a second rigid layer; 8. an asphalt upper surface layer; 9. a lower surface layer of foamed asphalt; 10. side slope; 11. an original base layer; 12. an original rigid protective layer; 13. an original pavement layer; 14. a new base layer; 15. a new rigid protective layer; 16. and (5) a new pavement layer.

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. 1-4, a widening structure for old road reconstruction comprises an original embankment 1, new embankments 2 are arranged on both sides of the original embankment 1, retaining walls 3 are fixedly connected to opposite sides of the two new embankments 2, the original embankment 1 comprises an original base layer 11, an original rigid protective layer 12 is fixedly connected to the top of the original base layer 11, an original pavement layer 13 is fixedly connected to the top of the original rigid protective layer 12, the new embankment 2 comprises a new base layer 14, a new rigid protective layer 15 is fixedly connected to the top of the new base layer 14, a new pavement layer 16 is fixedly connected to the top of the new rigid protective layer 15, the retaining walls 3 are arranged to improve road bearing capacity, enhance roadbed stability, reduce uneven road settlement and reduce the possibility of road surface cracking, and the slope of side slopes 10 on both sides of the original embankment 1 is utilized to widen the road surface without occupying the land and save land resources, the materials adopted by the original embankment 1 and the new embankment 2 are the same, so that new and old road surfaces can be well combined, the integrity of the road structures is improved, the engineering cost is reduced, the road construction cost and the maintenance investment can be reduced by arranging the retaining wall 3, the road surface collapse caused by water and soil loss is avoided, in the original rigid protective layer 12 and the new rigid protective layer 15, the rigidity of the whole road structure can be enhanced due to the first rigid layer 6, at the moment, the rigidity of the whole road structure can be further improved on the basis of the first rigid layer 6 by laying the second rigid layer 7, the arrangement of the foamed asphalt lower surface layer 9 in the original road surface layer 13 and the new road surface layer 16 has the function of certain stress absorption, the damage to the reflection crack of the base layer can be effectively reduced, the anti-rutting capability of the road structure can be improved, and the water stability of the road structure can be effectively enhanced by arranging the asphalt upper surface layer 8, effectively improve the life on its road surface, the cooperation of above structure has solved old road and has reformed transform the engineering cost height, and the efficiency of construction is low to and the road is widened and need the problem of occupation soil resource.

Referring to fig. 1 and 2, water outlets 4 are formed in the opposite sides of the two retaining walls 3, the number of the water outlets 4 is not less than eight, and the water seepage on the road surface in rainy days can be quickly discharged by the aid of the water outlets 4, so that the service life of the road is prolonged.

Referring to fig. 1 and 2, the top of the retaining wall 3 is fixedly connected with the street lamps 5, the number of the street lamps 5 is not less than eight, and the street lamps 5 are arranged, so that the passing vehicles and pedestrians can conveniently observe the road at night.

Referring to fig. 4, the original rigid protection layer 12 and the new rigid protection layer 15 are both made of the same material, and the original rigid protection layer 12 and the new rigid protection layer 15 are both made of a first rigid layer 6 and a second rigid layer 7, the first rigid layer 6 is made of reinforced concrete material, and the second rigid layer 7 is made of rolled concrete material.

Referring to fig. 3, the original pavement layer 13 and the new pavement layer 16 are both made of the same material, the original pavement layer 13 and the new pavement layer 16 are made of an upper asphalt layer 8 and a lower foamed asphalt layer 9, and the lower foamed asphalt layer 9 is made of foamed asphalt material.

Referring to fig. 1 and 2, both sides of the original embankment 1 are provided with side slopes 10, and the new embankment 2 is fixedly connected with the original embankment 1 through the side slopes 10.

When in use, the retaining wall 3 is arranged, the bearing capacity of a road can be improved, the stability of a roadbed can be enhanced, the uneven settlement of the road can be reduced, the possibility of pavement cracking can be reduced, the slopes of the side slopes 10 at the two sides of the original embankment 1 can be utilized, the pavement can be widened under the condition of not occupying the land, the land resources can be saved, the materials adopted by the original embankment 1 and the new embankment 2 are consistent, the new and old pavements can be well combined, the integrity of the new and old pavements can be improved, the engineering cost can be reduced, the road construction cost and the maintenance investment can be reduced due to the arrangement of the retaining wall 3, the pavement collapse caused by the water and soil loss can be avoided, in the original rigid protective layer 12 and the new rigid protective layer 15, the rigidity of the whole road structure can be enhanced due to the first rigid layer 6, at the moment, the laying of the second rigid layer 7 can further improve the rigidity of the whole road structure on the basis of the first rigid layer 6, and the arrangement of the lower surface layer 9 of the foam asphalt in the original pavement layer 13 and the new pavement layer 16 has the effect of absorbing certain stress, can effectively reduce the diseases of cracking of the reflection cracks of the base layer and improve the anti-rutting capability of the base layer, and the arrangement of the upper surface layer 8 of the asphalt can effectively enhance the water stability of the pavement structure and effectively improve the service life of the pavement structure, and the cooperation of the structures can solve the problems that the old pavement reconstruction engineering cost is high, the construction efficiency is low, and the road widening needs to occupy land resources

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

1. The utility model provides a widen structure for old way transformation, includes former embankment (1), its characterized in that: the both sides of former embankment (1) all are provided with new embankment (2), two the equal fixedly connected with barricade (3) in one side that new embankment (2) carried on the back mutually, former embankment (1) is including former basic unit (11), the former rigidity inoxidizing coating (12) of top fixedly connected with of former basic unit (11), the former road surface layer (13) of top fixedly connected with of former rigidity inoxidizing coating (12), new embankment (2) are including new basic unit (14), the new rigidity inoxidizing coating (15) of top fixedly connected with of new basic unit (14), the new road surface layer (16) of top fixedly connected with of new rigidity inoxidizing coating (15).

2. A widening architecture for old road reconstruction as recited in claim 1, wherein: two outlet (4) have all been seted up to one side that barricade (3) carried on the back mutually, the quantity in outlet (4) is not less than eight.

3. A widening architecture for old road reconstruction as recited in claim 1, wherein: the top fixedly connected with street lamp (5) of barricade (3), the quantity of street lamp (5) is not less than eight.

4. A widening architecture for old road reconstruction as recited in claim 1, wherein: the original rigid protective layer (12) and the new rigid protective layer (15) are both formed by paving the same material, and the original rigid protective layer (12) and the new rigid protective layer (15) are both formed by paving a first rigid layer (6) and a second rigid layer (7).

5. A widening architecture for old road reconstruction as recited in claim 1, wherein: the novel asphalt pavement is characterized in that the original pavement layer (13) and the new pavement layer (16) are both formed by paving the same material, and the original pavement layer (13) and the new pavement layer (16) are formed by paving an asphalt upper surface layer (8) and a foam asphalt lower surface layer (9) together.

6. A widening architecture for old road reconstruction as recited in claim 1, wherein: both sides of the original embankment (1) are provided with side slopes (10), and the new embankment (2) is fixedly connected with the original embankment (1) through the side slopes (10).