CN210013074U

CN210013074U - Road roadbed structure

Info

Publication number: CN210013074U
Application number: CN201920143515.5U
Authority: CN
Inventors: 姚丹
Original assignee: Guangxi Jinlu Investment And Construction Co Ltd
Current assignee: Guangxi Jinlu Investment And Construction Co Ltd
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2020-02-04
Anticipated expiration: 2029-01-28

Abstract

The utility model provides a road subgrade structure, which comprises a subgrade body, a permeable structure layer, a waterproof layer and a drainage component; the drainage component comprises a drainage groove, a convex rib, a cover plate and a drainage pipe; the upper surface of the roadbed body is a concave surface, the middle of the roadbed body is lower, and the two sides of the roadbed body are higher; the bottom of the concave surface is provided with a groove for placing a drainage groove; the concave surface is provided with a waterproof layer which is respectively positioned at two sides of the drainage groove; two convex edges are arranged at the upper end of the drainage groove; the convex edges are oppositely arranged in the drainage groove and used for supporting the cover plate; the cover plate is provided with water permeable holes; the waterproof layer is used for guiding water on the pavement body into the drainage groove through the water permeable holes; the drainage pipes are respectively arranged at two sides of the drainage groove and used for discharging water in the drainage groove to the outside of the roadbed body; the water permeable structure layer is arranged above the waterproof layer; thereby realizing the drainage function; in addition, the drainage assembly may reinforce the roadbed structure.

Description

Road roadbed structure

Technical Field

The utility model relates to a roadbed structure technical field especially relates to a road roadbed structure.

Background

The roadbed is a foundation of a track or a road surface and is an earth structure formed by excavation or filling. The existing road subgrade has poor drainage performance

SUMMERY OF THE UTILITY MODEL

In order to solve the relatively poor technical problem of road roadbed structure drainage performance among the prior art, the utility model provides a road roadbed structure.

The technical problem of the utility model is solved through following technical scheme:

a road subgrade structure comprises a subgrade body, a permeable structure layer, a waterproof layer and a drainage assembly; the drainage assembly comprises a drainage groove, a convex rib, a cover plate and a drainage pipe; the upper surface of the roadbed body is a concave surface, the middle of the roadbed body is low, and the two sides of the roadbed body are high; the bottom of the concave surface is provided with a groove for placing the drainage groove; the concave surface is provided with a waterproof layer which is respectively positioned at two sides of the drainage groove; two convex edges are formed at the upper end of the drainage groove; the convex ribs are oppositely arranged in the drainage grooves and used for supporting the cover plate; the cover plate is provided with water permeable holes; the waterproof layer is used for guiding water on the pavement body into the drainage groove through the water permeable holes; the drainage pipes are respectively arranged on two sides of the drainage groove and used for discharging water in the drainage groove to the outside of the roadbed body; the water permeable structure layer is arranged above the waterproof layer.

By adopting the technical scheme, when water exists on the road subgrade structure, the water permeates to the upper surface of the waterproof layer through the water permeable structure layer, slides to the cover plate, enters the drainage groove through the water permeable holes, and is drained to the outer side of the road subgrade structure through the drainage pipe, so that the drainage function is realized; in addition, the drainage assembly may reinforce the roadbed structure.

In some preferred embodiments, two sides of the roadbed body are respectively provided with a slope body for protecting the roadbed body; one end of the drain pipe is communicated with the drain tank, and the other end of the drain pipe extends to the outer side of the slope body.

By adopting the technical scheme, the slope bodies are respectively arranged on the two sides of the roadbed body, so that the roadbed body can be effectively reinforced.

In some more preferred embodiments, the slope body is provided with a slope protection layer for reinforcing the slope body; the other end of the drain pipe extends to the outer side of the slope protection layer.

By adopting the technical scheme, the slope body can be effectively protected by arranging the slope protection layer on the upper surface of the slope body.

In some more preferred embodiments, the slope protection layer is a concrete layer.

By adopting the technical scheme, the slope body can be effectively reinforced; meanwhile, the concrete layer and one end of the drain pipe are poured to form a whole, and the road subgrade structure is further reinforced.

In some preferred embodiments, the water permeable structure layer comprises a water permeable concrete layer or a water permeable gravel layer.

By adopting the technical scheme, the water permeating effect of the road subgrade structure can be effectively improved.

To sum up, the utility model discloses beneficial effect with the prior art contrast includes:

the utility model provides a road roadbed structure has stable in structure, the better advantage of drainage effect.

Drawings

Fig. 1 is a schematic structural view of a roadbed structure in an embodiment of the present invention;

FIG. 2 is a schematic structural view of the drain assembly of FIG. 1;

wherein, 1, a roadbed body; 2. a slope body; 3. a slope protection layer; 4. a waterproof layer; 5. a water permeable structure layer; 6. a water discharge tank; 61. a rib; 62. a cover plate; 63. a drain pipe; 64. and (6) water permeable holes.

Detailed Description

The invention will be further described with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 and 2, the road roadbed structure in the present embodiment includes a roadbed body 1, a permeable structure layer 5, a waterproof layer 4 and a drainage assembly; the drainage assembly comprises a drainage groove 6, a rib 61, a cover plate 62 and a drainage pipe 63; the upper surface of the roadbed body 1 is a concave surface, the middle of the roadbed body is low, and the two sides of the roadbed body are high; the bottom of the concave surface is provided with a groove for placing the drainage groove 6; the concave surface is provided with a waterproof layer 4, and the waterproof layer 4 is respectively positioned on two sides of the drainage groove 6; two convex edges 61 are arranged at the upper end of the drainage groove 6; the convex ribs 61 are oppositely arranged in the drainage groove 6 and used for supporting the cover plate 62; the cover plate 62 is provided with water permeable holes; the waterproof layer 4 is used for guiding water on the pavement body into the drainage groove 6 through the water permeable holes; the drainage pipes 63 are respectively arranged at two sides of the drainage groove 6 and used for discharging water in the drainage groove 6 to the outside of the roadbed body 1; the water permeable structure layer 5 is arranged above the waterproof layer 4; slope bodies 2 are respectively arranged on two sides of the roadbed body 1 and used for protecting the roadbed body 1; the slope body 2 is provided with a slope protection layer 3 for reinforcing the slope body 2; the slope protection layer 3 is a concrete layer; one end of the drain pipe 63 is communicated with the drain groove 6, and the other end of the drain pipe extends to the outer side of the concrete layer; the concrete layer and the drain pipe 63 are cast and molded; the upper end of the drainage channel 6 is flush with the upper end of the groove.

In the use process of the road subgrade structure in the embodiment, when water exists on the road subgrade structure, the water permeates to the upper surface of the waterproof layer 4 through the water permeable structure layer 5, slides onto the cover plate 62, enters the drainage groove 6 through the water permeable holes, and is drained to the outer side of the road subgrade structure through the drainage pipe 63, so that the drainage function is realized; in addition, the drainage assembly may reinforce the roadbed structure.

Illustratively, the waterproof layer 4 is waterproof geotextile; the waterproof geotextile is distributed on two sides of the drainage channel 6 and is used for guiding water on the waterproof layer 4 to the cover plate 62 by matching with the concave surface.

The water-permeable structure layer 5 may comprise a water-permeable concrete layer or a water-permeable gravel layer.

Specifically, the rib 61 is welded to the drainage groove 6, and the cover plate 62 is clamped in the drainage groove 6 and located above the rib 61.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite of not deviating from the utility model discloses, can also make a plurality of equal substitution or obvious variants, performance or usage are the same moreover, all should regard as belonging to the utility model's scope of protection.

Claims

1. A road subgrade structure is characterized by comprising a subgrade body, a permeable structure layer, a waterproof layer and a drainage assembly; the drainage assembly comprises a drainage groove, a convex rib, a cover plate and a drainage pipe; the upper surface of the roadbed body is a concave surface, the middle of the roadbed body is low, and the two sides of the roadbed body are high; the bottom of the concave surface is provided with a groove for placing the drainage groove; the concave surface is provided with a waterproof layer which is respectively positioned at two sides of the drainage groove; two convex edges are formed at the upper end of the drainage groove; the convex ribs are oppositely arranged in the drainage grooves and used for supporting the cover plate; the cover plate is provided with water permeable holes; the waterproof layer is used for guiding water on the pavement body into the drainage groove through the water permeable holes; the drainage pipes are respectively arranged on two sides of the drainage groove and used for discharging water in the drainage groove to the outside of the roadbed body; the water permeable structure layer is arranged above the waterproof layer.

2. The roadbed structure of claim 1, wherein the roadbed body is provided with slopes on both sides thereof for protecting the roadbed body; one end of the drain pipe is communicated with the drain tank, and the other end of the drain pipe extends to the outer side of the slope body.

3. The roadbed structure of claim 2, wherein the slope body is provided with a slope protection layer for reinforcing the slope body; the other end of the drain pipe extends to the outer side of the slope protection layer.

4. A road substructure according to claim 3, characterized in that the slope protection layer is a concrete layer.

5. The road substructure of claim 1, wherein said water-permeable structure layers comprise water-permeable concrete layers or water-permeable gravel layers.