CN217174217U

CN217174217U - Town road roadbed structure

Info

Publication number: CN217174217U
Application number: CN202123042910.0U
Authority: CN
Inventors: 薛忠强; 李培霞; 程维; 何庚泉; 吴翠萍
Original assignee: Shenzhen Dongshen Engineering Co ltd
Current assignee: Shenzhen Dongshen Engineering Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-08-12
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a town road roadbed structure, the upper surface of roadbed layer is provided with concrete layer, be provided with the steel deck below the concrete layer, the below of steel deck is provided with the soft layer, the below of soft layer is provided with the rock layer, the below on rock layer is provided with the soil layer, the center department on soil layer is provided with the drain pipe, the below of steel deck is provided with buffer structure, buffer structure's below is provided with the solid piece, both sides and be provided with No. two springs in the below about the solid piece, the center department of No. two springs is provided with the bracing piece, the below of bracing piece is provided with the movable block, the below of movable block is provided with a spring, the below of No. two springs is provided with and blocks the wall. The road surface on the existing road subgrade is easy to cause the phenomena of cracks, fractures, lateral movement and unevenness under the continuous action of vehicle loads, and therefore the municipal road subgrade structure is provided.

Description

Town road roadbed structure

Technical Field

The utility model belongs to the technical field of the road bed technique and specifically relates to a town road roadbed structure is related to.

Background

The roadbed is a strip-shaped structure which is built according to the route position and certain technical requirements and serves as a road surface foundation, and the roadbed is a linear structure built by soil or stones. The road bed structure is characterized in that the road bed structure bears self-weight of rock soil and road gravity and driving load transmitted from a road surface, and is an important component of the whole road structure, a base layer is an important bearing layer in the road structure, bears vertical force of vehicle load transmitted from a surface layer, and diffuses into a soil foundation below the base layer, and the road bed structure mainly plays roles of diffusing road load, reducing road deformation, preventing and slowing down the occurrence of road diseases and the like, a common road bed is only composed of large-grained soil, stone soil and sandy soil, is not high enough in strength, and is easy to cause cracks and fractures, and therefore the road bed structure of the municipal road is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve ordinary road bed and only adopt huge grain soil, stone soil and sandy soil, intensity is high inadequately, causes crack, cracked problem easily, the utility model provides a town road roadbed structure.

The utility model provides a town road roadbed structure, includes the roadbed layer, the roadbed layer includes concrete layer, be provided with the steel deck below the concrete layer, the below of steel deck is provided with the soft layer, the below on soft layer is provided with the rock layer, the below on rock layer is provided with the soil layer, the center department on soil layer is provided with the drain pipe, the below on steel deck is provided with buffer structure, buffer structure's top is provided with solid piece, both sides just are provided with No. two springs in the below about the solid piece, the center department of No. two springs is provided with the bracing piece, the below of bracing piece is provided with the movable block, the below of movable block is provided with a spring, the below of No. two springs is provided with and blocks the wall.

Further, constitute the connectivity structure between roadbed layer and the drain pipe, constitute the connectivity structure between drain pipe and the soil property layer, constitute laminated structure between soil property layer and the rock layer.

Furthermore, the second spring is fixedly connected with the solid block, the second spring is fixedly connected with the blocking wall, and the second spring is sleeved outside the support rod.

Further, the solid block is arranged in the soft layer, and the solid block is fixedly connected with the moving block.

Furthermore, the moving block is fixedly connected with the supporting rod, a through hole matched with the supporting rod is formed in the center of the bottom of the blocking wall, and the supporting rod is communicated with the inside of the blocking wall.

Furthermore, the first spring and the rock layer are fixedly connected, and the first spring and the moving block are fixedly connected.

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

1. the steel deck adopts the metal material, has better toughness, can produce the holding power to concrete layer, prevents to cause the harm because of the material problem when downstream, plays the effect that supports concrete layer, makes it can cooperate device buffer structure.

2. The first spring is used for reducing the buffering effect for the first time, when the solid block is stressed, the moving block is driven to move downwards together, and the first spring begins to contract to play a role in reducing the overall buffering effect of the roadbed layer.

3. The second spring reduces buffering for the second time, and when the solid piece atress moves down, because the barrier wall hinders downstream, the effect of buffering is reduced in the beginning shrink of second spring.

4. When the water in the roadbed layer is too much, the water can permeate downwards, and the inside of the soil layer is provided with a drain pipe for draining water to prevent internal water accumulation.

Drawings

Fig. 1 is a schematic illustration of an elevation view of the anatomy of a town road subgrade structure according to the present application.

Fig. 2 is an enlarged view of a portion of a town road subgrade structure according to the present application, taken at a point a in fig. 1.

Description of reference numerals:

1. a roadbed layer; 2. a steel plate layer; 3. a soft layer; 4. a rock layer; 5. a drain pipe; 6. a layer of earthen material; 7. a concrete layer; 8. a solid block; 9. a first spring; 10. a second spring; 11. a support bar; 12. a barrier wall; 13. a moving block; 14. and a buffer structure.

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, the town road roadbed structure comprises a roadbed layer 1, the roadbed layer 1 comprises a concrete layer 7, a steel plate layer 2 is arranged below the concrete layer 7, a soft layer 3 is arranged below the steel plate layer 2, a rock layer 4 is arranged below the soft layer 3, a soil layer 6 is arranged below the rock layer 4, a drain pipe 5 is arranged at the center of the soil layer 6, a buffer structure 14 is arranged below the steel plate layer 2, a solid block 8 is arranged at the top of the buffer structure 14, a second spring 10 is arranged on the left side and the right side of the solid block 8 and below the solid block 8, a support rod 11 is arranged at the center of the second spring 10, a moving block 13 is arranged below the support rod 11, a first spring 9 is arranged below the moving block 13, a blocking wall 12 is arranged below the second spring 10, and the rock layer 4 is fixedly connected with the blocking wall 12.

Specifically, the top of the drain pipe 5 is provided with a hole communicated with the soil layer 6, a communication structure is formed between the drain pipe 5 and the soil layer 6, a fitting structure is formed between the soil layer 6 and the rock layer 4, and the drain pipe 5 is a drainage device.

In particular, the buffer structure 14 plays a role of buffering, and prevents the road bed layer 1 from being damaged due to excessive pressure.

Specifically, the connected mode between concrete layer 7 and steel deck 2 is fixed connection, and roadbed layer 1 adopts the concrete to have stronger crushing resistance, constitutes swing joint between steel deck 2 and buffer structure 14, and steel deck 2 adopts the metal material, has stronger toughness and holding power.

Referring to fig. 1-2, the buffering structure 14 is a buffering device, which can perform the function of reducing the impact twice, thereby greatly reducing the pressure and reducing the damage to the roadbed layer 1.

Specifically, the connected mode between steel deck 2 and the solid piece 8 is fixed connection, and soft layer 3 adopts the gravel and sand to constitute, constitutes laminated structure between steel deck 2 and the soft layer 3, and soft layer 3 is the buffering space, because the effect of steel deck 2 pressure descends, can regard as the buffering area.

The second spring 10 is fixedly connected with the solid block 8, the second spring 10 is provided with two groups of springs which are arranged on the left side and the right side of the solid block 8 and below the solid block, the second spring 10 is fixedly connected with the blocking wall 12, the blocking wall 12 is used for preventing the lower end of the second spring 10 from continuously moving, the second spring 10 is sleeved outside the supporting rod 11, and the second spring 10 can stop moving the solid block 8 when being compressed to the maximum value, so that the buffering effect is achieved.

The connection mode between the moving block 13 and the supporting rod 11 is fixed connection, when the supporting rod 11 moves downwards, the moving block 13 is driven to move downwards, the bottom of the blocking wall 12 is provided with a through hole matched with the supporting rod 11 at the center, the supporting rod 11 is communicated with the inside of the blocking wall 12, and the blocking wall 12 is used for supporting the second spring 10 to generate elasticity.

The bottom of the first spring 9 is fixedly connected with the rock layer 4, the top of the first spring 9 is connected with the moving block 13 in an abutting mode, and the first spring 9 moves downwards under the action of the force of the moving block 13.

The working principle is as follows: when large-scale or heavy-duty vehicle passes through, concrete layer 7 receives the effect of power, produce pressure, steel deck 2 supports concrete layer 7, steel deck 2 receives the effect of power downstream, at this moment, steel deck 2 can compress soft layer 3, and spring 9 is because the effect that receives movable block 13 contracts downwards, produce the first buffering, reduce the buffer power, spring 10 is because the effect that receives solid piece 8 begins to contract, play the effect that reduces the buffering, leave the back when large-scale or heavy-duty vehicle, begin to recover, when the water is too much in road bed 1, can permeate down, drain pipe 5 has been seted up to the inside of soil texture 6, be used for the drainage, prevent inside ponding.

Claims

1. A town road roadbed structure, includes roadbed layer (1), its characterized in that: the roadbed layer (1) comprises a concrete layer (7), a steel plate layer (2) is arranged below the concrete layer (7), a soft layer (3) is arranged below the steel plate layer (2), a rock layer (4) is arranged below the soft layer (3), a soil layer (6) is arranged below the rock layer (4), a drain pipe (5) is arranged at the center of the soil layer (6), a buffer structure (14) is arranged below the steel plate layer (2), a solid block (8) is arranged at the top of the buffer structure (14), a second spring (10) is arranged on the left side and the right side of the solid block (8) and below the solid block, a support rod (11) is arranged at the center of the second spring (10), a moving block (13) is arranged below the support rod (11), a first spring (9) is arranged below the moving block (13), and a blocking wall (12) is arranged below the second spring (10).

2. The town road roadbed structure according to claim 1, wherein: constitute the intercommunication structure between roadbed layer (1) and drain pipe (5), constitute the intercommunication structure between drain pipe (5) and soil property layer (6), constitute laminated structure between soil property layer (6) and rock layer (4).

3. The town road roadbed structure according to claim 1, wherein: the connection mode between No. two spring (10) and solid piece (8) is fixed connection, No. two spring (10) and the connection mode between blockking wall (12) are fixed connection, No. two spring (10) cover is located outside bracing piece (11).

4. The town road roadbed structure according to claim 1, wherein: the solid block (8) is arranged in the soft layer (3), and the solid block (8) is fixedly connected with the moving block (13).

5. The town road roadbed structure according to claim 1, wherein: the moving block (13) is fixedly connected with the supporting rod (11), a through hole matched with the supporting rod (11) is formed in the center of the bottom of the blocking wall (12), and the supporting rod (11) is communicated with the inside of the blocking wall (12).

6. The town road roadbed structure according to claim 1, wherein: the first spring (9) is fixedly connected with the rock layer (4), and the first spring (9) is fixedly connected with the moving block (13).