CN219490562U

CN219490562U - Roadbed widening and splicing roadbed structure

Info

Publication number: CN219490562U
Application number: CN202320925381.9U
Authority: CN
Inventors: 曾雄; 陈鹏望; 张新胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-08-08
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a roadbed widening and splicing roadbed structure, which comprises an old pavement and soil, wherein a new pavement is poured on one side of the old pavement, a first supporting wall and a retaining wall are fixedly connected to two sides of the bottom end of the new pavement respectively, a second supporting wall is fixedly connected to one end of the first supporting wall, the second supporting wall is fixedly connected with the new pavement, the stability of the new pavement bottom can be further improved through the aid of a water stop belt, a first gravel layer, a second gravel layer, a first supporting wall, a second supporting wall, retaining walls, first reinforcing steel bars, second reinforcing steel bars and third reinforcing steel bars, the stability between the old pavement and the new pavement can be improved through the aid of the first reinforcing steel bars and the second reinforcing steel bars, collapse and skew can not occur between the old pavement and the new pavement, the bottom of the new pavement can be supported under the action of the first supporting wall and the second supporting wall, and the new pavement can be further improved under the action of the first supporting wall and the second supporting wall, and the phenomenon of collapse and the old pavement can be further prevented.

Description

Roadbed widening and splicing roadbed structure

Technical Field

The utility model relates to the technical field of economics teaching, in particular to a roadbed widening and splicing structure.

Background

Along with the development of the economic level of China, the transportation industry is rapidly developed, road transportation is an important component of transportation, the number of road transportation is gradually increased, along with the development of freight transportation, the road surface is required to be expanded, the original road bed is widened and spliced with a roadbed structure too simple, the widened part of the road is often used as the edge of the road surface, a groove is dug at one side of the road when the road is widened at present, then concrete is poured at the inner side of the groove, meanwhile, the environment of China is complex, particularly the road in rural areas, the two sides of the road are provided with grooves or slopes, so that the soil at the two sides of the road is soft and easy to sink, new and old roads are separated, in addition, in the running process of vehicles on the road, the vehicle is stressed at one side generally, and the widened new road is easy to collapse and incline to one side, so the roadbed widening and spliced with the roadbed structure is proposed for the problems.

Disclosure of Invention

The utility model solves the technical problems of the prior art, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the roadbed widening spliced roadbed structure comprises an old pavement and soil, a new pavement is poured on one side of the old pavement, a first supporting wall and a retaining wall are fixedly connected to two sides of the bottom end of the new pavement respectively, a second supporting wall is fixedly connected to one end of the first supporting wall, and the second supporting wall is fixedly connected with the new pavement.

Preferably, the new road surface, the first support wall, the second support wall and the retaining wall are integrally cast and formed.

Preferably, the bottom of new road surface has laid first gravel layer, the second gravel layer has all been laid to the bottom of first supporting wall and barricade.

Preferably, the inner side of the new road surface is fixedly connected with a first steel bar, the other end of the first steel bar is inserted into the inner side of the old road surface, one end of the first steel bar is fixedly connected with a second steel bar, and the second steel bar is fixed on the inner side of the new road surface.

Preferably, one end fixedly connected with third reinforcing bar of first reinforcing bar, the third reinforcing bar sets up the inboard at first supporting wall, the one end fixedly connected with fourth reinforcing bar of third reinforcing bar, and the fourth reinforcing bar sets up the inboard at the second supporting wall.

Preferably, one end of the first steel bar is fixedly connected with a sixth steel bar, the sixth steel bar is arranged on the inner side of the new road surface, the bottom end of the sixth steel bar is fixedly connected with a seventh steel bar, the seventh steel bar is arranged on the inner side of the retaining wall, and a fifth steel bar is fixedly connected between the sixth steel bars.

Preferably, a water stop is arranged between the new road surface and the old road surface.

Compared with the prior art, the utility model has the following beneficial effects:

1. the roadbed widens and splices roadbed structure, through the waterstop that sets up, first rubble layer, second rubble layer, first supporting wall, second supporting wall, barricade, first reinforcing bar, second reinforcing bar, third reinforcing bar, can improve the stability between old road surface and the new road surface through the effect of first reinforcing bar and second reinforcing bar, make can not appear the crooked phenomenon of collapsing between old road surface and the new road surface, can realize the support to new road surface bottom under the effect of first supporting wall and second supporting wall, can further improve the stability of new road surface under the effect of first supporting wall and second supporting wall, further guarantee to collapse askew phenomenon between new road surface and the old road surface.

2. The subgrade widens the spliced subgrade structure, and through the retaining wall, the seventh reinforcing steel bar, the fifth reinforcing steel bar and the sixth reinforcing steel bar which are arranged, the interception of soil at the bottom of the new road surface can be realized under the action of the retaining wall, and the soil at the bottom of the new road surface is ensured not to flow off and collapse, so that the new road surface is ensured not to skew and collapse.

Drawings

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

FIG. 1 is a schematic diagram of the whole structure of the widened and spliced roadbed structure of the roadbed of the present utility model.

Fig. 2 is a schematic view of an installation structure of a first reinforcing steel bar of the widened and spliced roadbed structure of the roadbed of the present utility model.

Fig. 3 is a schematic view of an installation structure of a fifth reinforcing steel bar of the widened and spliced roadbed structure of the roadbed of the present utility model.

In the figure: 1. old road surface; 2. soil; 3. a new road surface; 4. a water stop; 5. a first crushed stone layer; 6. a second crushed stone layer; 7. a first support wall; 8. a second support wall; 9. a retaining wall; 10. a first reinforcing bar; 11. a second reinforcing bar; 12. a third reinforcing bar; 13. a fourth reinforcing bar; 14. a fifth reinforcing bar; 15. a sixth reinforcing bar; 16. and a seventh reinforcing bar.

Detailed Description

The present utility model will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are shown in schematic drawings, rather than physical drawings, and are not to be construed as limiting the present utility model, and in order to better explain the detailed description of the utility model, certain components of the drawings may be omitted, enlarged or reduced in size, and not represent the actual product, and it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model based on the detailed description of the present utility model.

In order that the technical means, the creation characteristics, achievement of the objects and effects of the present utility model may be easily understood, it is to be noted that in the description of the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, the present utility model will be further elucidated in connection with the specific embodiments below.

Examples

As shown in fig. 1-3, the subgrade widens and splices the subgrade structure, including old road surface 1 and soil 2, new road surface 3 has been pour to one side of old road surface 1, the bottom both sides of new road surface 3 are fixedly connected with first supporting wall 7 and barricade 9 respectively, the one end fixedly connected with second supporting wall 8 of first supporting wall 7, and second supporting wall 8 and new road surface 3 fixed connection can be realized the support to new road surface 3 bottom under the effect of first supporting wall 7 and second supporting wall 8, can further improve new road surface 3's stability under the effect of first supporting wall 7 and second supporting wall 8, guarantee that the phenomenon of subsidence askew does not appear between new road surface 3 and the old road surface 1, can realize the interception to new road surface 3 bottom soil 2 under the effect of barricade 9, guarantee that new road surface 3 bottom soil 2 can not flow and lose to guarantee that new road surface 3 can not warp.

As a further improvement of the present utility model, as shown in fig. 1, the new road surface 3, the first supporting wall 7, the second supporting wall 8 and the retaining wall 9 are integrally cast and formed, so as to improve the overall stability.

As a further improvement of the present utility model, as shown in fig. 1 and 2, a first crushed stone layer 5 is laid at the bottom end of the new road surface 3, and a second crushed stone layer 6 is laid at the bottom ends of the first supporting wall 7 and the retaining wall 9.

As a further improvement of the present utility model, as shown in fig. 2 and 3, the inner side of the new road surface 3 is fixedly connected with a first reinforcing bar 10, the other end of the first reinforcing bar 10 is inserted into the inner side of the old road surface 1, one end of the first reinforcing bar 10 is fixedly connected with a second reinforcing bar 11, the second reinforcing bar 11 is fixed on the inner side of the new road surface 3, and the stability between the old road surface 1 and the new road surface 3 can be improved by the actions of the first reinforcing bar 10 and the second reinforcing bar 11, so that the phenomenon of collapse and skew between the old road surface 1 and the new road surface 3 does not occur.

As a further improvement of the present utility model, as shown in fig. 2 and 3, one end of the first steel bar 10 is fixedly connected with a third steel bar 12, the third steel bar 12 is disposed inside the first supporting wall 7, one end of the third steel bar 12 is fixedly connected with a fourth steel bar 13, and the fourth steel bar 13 is disposed inside the second supporting wall 8, and the strength and stability of the whole first supporting wall 7 and the whole second supporting wall 8 are improved through the third steel bar 12 and the fourth steel bar 13.

As a further improvement of the present utility model, as shown in fig. 2 and 3, one end of the first steel bar 10 is fixedly connected with a sixth steel bar 15, the sixth steel bar 15 is disposed on the inner side of the new pavement 3, the bottom end of the sixth steel bar 15 is fixedly connected with a seventh steel bar 16, the seventh steel bar 16 is disposed on the inner side of the retaining wall 9, and the sixth steel bar 15 is fixedly connected with a fifth steel bar 14, so that the strength and stability of the whole retaining wall 9 can be improved through the sixth steel bar 15 and the seventh steel bar 16.

As a further improvement of the present utility model, as shown in fig. 2 and 3, a water stop 4 is provided between the new road surface 3 and the old road surface 1, and rainwater can be prevented from penetrating into the soil at the bottom through the joint between the new road surface 3 and the old road surface 1 by the water stop 4, resulting in the soil becoming soft.

The working flow is as follows: during construction, the first reinforcing steel bar 10, the second reinforcing steel bar 11, the third reinforcing steel bar 12, the fourth reinforcing steel bar 13, the fifth reinforcing steel bar 14, the sixth reinforcing steel bar 15 and the seventh reinforcing steel bar 16 are bound together to form a reinforcing steel bar cage, a groove is formed in one side of the old road surface 1, the first rubble layer 5 and the second rubble layer 6 are paved in areas needing to be poured with concrete respectively, then the reinforcing steel bar cage is placed in one side of the old road surface 1, the first reinforcing steel bar 10 is inserted into the inner side of the old road surface 1, gaps between the first reinforcing steel bar 10 and the old road surface 1 are filled in a grouting mode, meanwhile, the water stop belt 4 is fixed on the inner side of the old road surface 1, then the supporting plates are supported, concrete is poured, the new road surface 3, the first supporting wall 7, the second supporting wall 8 and the retaining wall 9 form a whole, the bottom of the new road surface 3 can be supported under the action of the first supporting wall 7 and the second supporting wall 8, the stability of the new road surface 3 can be further improved under the action of the first supporting wall 7 and the second supporting wall 8, the new road surface 3 can be further guaranteed, the new road surface 3 can not collapse under the action of the new road surface 3 and the new road surface 2 is not guaranteed, the new road surface 2 is not collapsed, and the bottom of the new road surface 2 is not guaranteed, and the new road surface 2 is not collapsed, and the bottom due to the phenomenon to the new road surface 2 is not collapsed.

While there have been shown and described what are at present considered to be preferred embodiments of the utility model, it will be understood by those skilled in the art that the foregoing and various other changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. Roadbed widening spliced roadbed structure comprises old pavement (1) and soil (2), and is characterized in that: the novel pavement (3) is poured on one side of the old pavement (1), a first supporting wall (7) and a retaining wall (9) are fixedly connected to two sides of the bottom end of the novel pavement (3), a second supporting wall (8) is fixedly connected to one end of the first supporting wall (7), and the second supporting wall (8) is fixedly connected with the novel pavement (3).

2. The subgrade widening spliced subgrade structure as recited in claim 1, wherein: the novel pavement (3), the first supporting wall (7), the second supporting wall (8) and the retaining wall (9) are integrally cast and formed.

3. The subgrade widening spliced subgrade structure as recited in claim 1, wherein: the novel pavement is characterized in that a first gravel layer (5) is paved at the bottom end of the novel pavement (3), and a second gravel layer (6) is paved at the bottom ends of the first supporting wall (7) and the retaining wall (9).

4. The subgrade widening spliced subgrade structure as recited in claim 1, wherein: the novel road surface (3) is characterized in that a first steel bar (10) is fixedly connected to the inner side of the novel road surface (3), the other end of the first steel bar (10) is inserted into the inner side of the old road surface (1), a second steel bar (11) is fixedly connected to one end of the first steel bar (10), and the second steel bar (11) is fixed to the inner side of the novel road surface (3).

5. The subgrade widening spliced subgrade structure as recited in claim 4, further comprising: one end fixedly connected with third reinforcing bar (12) of first reinforcing bar (10), third reinforcing bar (12) set up the inboard at first supporting wall (7), the one end fixedly connected with fourth reinforcing bar (13) of third reinforcing bar (12), and fourth reinforcing bar (13) set up the inboard at second supporting wall (8).

6. The subgrade widening spliced subgrade structure as recited in claim 4, further comprising: one end fixedly connected with sixth reinforcing bar (15) of first reinforcing bar (10), and sixth reinforcing bar (15) set up the inboard at new road surface (3), the bottom fixedly connected with seventh reinforcing bar (16) of sixth reinforcing bar (15), and seventh reinforcing bar (16) set up the inboard at barricade (9), fixedly connected with fifth reinforcing bar (14) between sixth reinforcing bar (15).

7. The subgrade widening spliced subgrade structure as recited in claim 4, further comprising: a water stop belt (4) is arranged between the new road surface (3) and the old road surface (1).