CN216973001U

CN216973001U - Rigid roadbed and flexible roadbed interface

Info

Publication number: CN216973001U
Application number: CN202220766855.5U
Authority: CN
Inventors: 朱婷婷; 王璇
Original assignee: Shaoyang Tongtai Road And Bridge Construction Co ltd
Current assignee: Shaoyang Tongtai Road And Bridge Construction Co ltd
Priority date: 2022-04-03
Filing date: 2022-04-03
Publication date: 2022-07-15
Anticipated expiration: 2032-04-03

Abstract

The utility model discloses a rigid roadbed and a flexible roadbed interface, which comprises a flexible roadbed body and a rigid roadbed body, wherein an I-shaped support is arranged on the outer wall of the other side of the flexible roadbed body, the I-shaped support is connected with the rigid roadbed body, a first rectangular hole is formed in the inner wall of one side of the bottom of the I-shaped support, a first stabilizing layer is laid on the inner wall of the first rectangular hole, a second rectangular hole is formed in the outer wall of the other side of the top of the I-shaped support, and a second stabilizing layer is laid on the inner wall of the second rectangular hole. The buffer layer arranged on the inner wall of the other side of the bottom of the I-shaped support is matched with the first stabilizing layer, the second stabilizing layer and the I-shaped support to buffer the bending tension and deformation resistance, so that the influence of a roadbed on the other side is reduced, the interface structure is more stable, the influence of the roadbed on the other side is reduced, the roadbed is stable enough and is not easy to crack, and the service efficiency of the roadbed interface is improved.

Description

Rigid roadbed and flexible roadbed interface

Technical Field

The utility model relates to the technical field of roadbeds, in particular to an interface of a rigid roadbed and a flexible roadbed.

Background

The roadbed means a strip structure which is built according to a route position and a certain technical requirement and serves as a pavement foundation, is a foundation of a railway and a highway, and is a linear structure built by soil or stones. And constructing a roadbed under good geological, hydrological and climatic conditions. The roadbed can be divided into a soil roadbed, a stone roadbed and an earth-stone roadbed from the material division.

The rigid roadbed is characterized in that the rigid pavement is made of cement concrete and comprises a roadbed, a cushion layer, a base layer and a surface layer, the flexible roadbed is made of asphalt, gravel and slag, the roadbed and the surface layer form the roadbed and the interface of the rigid roadbed and the flexible roadbed is the connection of the two roadbeds, a certain slope is arranged in a slope-shaped rigid-flexible connection mode usually in a butt strap mode, and because the rigidity, the bending tensile strength and the stability of the two roadbeds are different, the common interface structure is simple, cracks are easy to generate, so that the rigid roadbed and the flexible roadbed are influenced, and the service efficiency of the interface of the roadbeds is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a rigid roadbed and a flexible roadbed interface, so as to solve the problems of the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a rigidity road bed and flexible road bed interface, includes flexible road bed body and rigid road bed body, the opposite side outer wall of flexible road bed body is provided with I shape support, I shape support is connected with the rigid road bed body, rectangular hole one has been seted up to one side inner wall of I shape support bottom, stabilizer layer one has been laid to the inner wall of rectangular hole one, rectangular hole two has been seted up to the opposite side outer wall at I shape support top, stabilizer layer two has been laid to the inner wall of rectangular hole two, one side inner wall at I shape support top is provided with the waterproof layer, the opposite side inner wall of I shape support bottom is provided with the buffer layer, waterproof layer and buffer layer all are connected with stabilizer layer one and stabilizer layer two.

Furthermore, waterproof layer and buffer layer all are the L type setting, the barrier layer has all been laid to the both sides inner wall of I shape support.

Furthermore, the impermeable layers are connected with the first stabilizing layer and the second stabilizing layer.

Further, the surface course has all been laid to the top outer wall of rigidity road bed body and flexible road bed body, the roadbed layer has all been laid to the bottom outer wall of rigidity road bed body and flexible road bed body.

Further, the top inner wall of flexible road bed body is provided with the pitch layer, the bottom inner wall of flexible road bed body is provided with the gravel layer, the inner wall of rigidity road bed body is provided with concrete layer.

Furthermore, a second grid is laid on the outer wall of the top of the I-shaped support, a first grid is laid on the outer wall of the bottom of the I-shaped support, and the first grid and the second grid are both connected with the rigid roadbed body and the flexible roadbed body.

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

1. the interface for the rigid roadbed and the flexible roadbed is provided with a rigid roadbed body, a flexible roadbed body, an I-shaped support, a roadbed layer, a waterproof layer, a buffer layer, a first stabilizing layer and a second stabilizing layer, wherein the I-shaped support is arranged between the flexible roadbed body and the rigid roadbed body and is connected with the roadbed layer and the surface layer, the second stabilizing layer laid on the other side of the top of the I-shaped support and the second stabilizing layer laid on one side of the bottom buffer the vibration generated by the two roadbeds, the waterproof layer arranged on the inner wall on one side of the top of the I-shaped support prevents water in the rigid roadbed base from permeating into the flexible roadbed base, the buffer layer arranged on the inner wall on the other side of the bottom of the I-shaped support is matched with the first stabilizing layer, the second stabilizing layer and the I-shaped support to buffer the bending-resistant tensile and deformation force, the influence of the roadbed on the other side by the roadbed on the other side is reduced, and the interface structure is more stable, the influence of the roadbed on the other side is reduced, the roadbed is stable enough and is not easy to crack, and the service efficiency of the roadbed interface is improved.

2. The interface of the rigid roadbed and the flexible roadbed is provided with the first grating and the second grating, the second grating arranged at the top of the I-shaped support and the first grating arranged at the bottom of the I-shaped support further improve the stability of the roadbed, and the service life of the roadbed and the interface is prolonged.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic cross-sectional view of an overall structure of an interface between a rigid roadbed and a flexible roadbed according to the present invention;

fig. 2 is an enlarged schematic view of a structure a of an interface between a rigid roadbed and a flexible roadbed according to the present invention;

fig. 3 is an exploded schematic view of an i-shaped support structure at an interface of a rigid roadbed and a flexible roadbed according to the present invention;

fig. 4 is a schematic diagram of a buffer layer and a waterproof layer structure of an interface of a rigid roadbed and a flexible roadbed according to the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a flexible roadbed body; 2. a sandstone layer; 3. a roadbed layer; 4. a first grid; 5. an asphalt layer; 6. an I-shaped bracket; 7. a concrete layer; 8. a rigid subgrade body; 9. a surface layer; 10. a second grid; 11. a first stabilizing layer; 12. a second stabilizing layer; 13. an impermeable layer; 14. a waterproof layer; 15. a buffer layer.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, in the embodiment of the utility model, an interface between a rigid roadbed and a flexible roadbed comprises a flexible roadbed body 1 and a rigid roadbed body 8, wherein an i-shaped support 6 is arranged on the outer wall of the other side of the flexible roadbed body 1, the i-shaped support 6 is connected with the rigid roadbed body 8, a first rectangular hole is formed in the inner wall of one side of the bottom of the i-shaped support 6, a first stabilizing layer 11 is laid on the inner wall of the first rectangular hole, a second rectangular hole is formed in the outer wall of the other side of the top of the i-shaped support 6, a second stabilizing layer 12 is laid on the inner wall of the second rectangular hole, a waterproof layer 14 is arranged on the inner wall of one side of the top of the i-shaped support 6, a buffer layer 15 is arranged on the inner wall of the other side of the bottom of the i-shaped support 6, and the waterproof layer 14 and the buffer layer 15 are both connected with the first stabilizing layer 11 and the second stabilizing layer 12.

In the utility model, the waterproof layer 14 and the buffer layer 15 are both arranged in an L shape, and the impermeable layers 13 are laid on the inner walls of the two sides of the I-shaped bracket 6.

In the present invention, the barrier layer 13 is connected to both the first stabilizer layer 11 and the second stabilizer layer 12.

In the utility model, the top outer walls of the rigid roadbed body 8 and the flexible roadbed body 1 are respectively paved with the surface layer 9, and the bottom outer walls of the rigid roadbed body 8 and the flexible roadbed body 1 are respectively paved with the roadbed layer 3.

In the utility model, an asphalt layer 5 is arranged on the inner wall of the top of a flexible roadbed body 1, a sandstone layer 2 is arranged on the inner wall of the bottom of the flexible roadbed body 1, and a concrete layer 7 is arranged on the inner wall of a rigid roadbed body 8.

According to the utility model, the second grid 10 is laid on the outer wall of the top of the I-shaped support 6, the first grid 4 is laid on the outer wall of the bottom of the I-shaped support 6, and both the first grid 4 and the second grid 10 are connected with the rigid roadbed body 8 and the flexible roadbed body 1.

The working principle of the utility model is as follows: when a rigid roadbed and a flexible roadbed boundary surface are required to be arranged, an I-shaped support 6 is arranged between a flexible roadbed body 1 and a rigid roadbed body 8 and is connected with a roadbed layer 3 and a surface layer 9, a second stabilizing layer 12 laid on the other side of the top of the I-shaped support 6 and a first stabilizing layer 11 laid on one side of the bottom buffer the vibration generated by the two roadbeds, a waterproof layer 14 arranged on the inner wall of one side of the top of the I-shaped support 6 prevents water in the rigid roadbed body 8 from permeating into the flexible roadbed body 1, a buffer layer 15 arranged on the inner wall of the other side of the bottom of the I-shaped support 6 and matched with the first stabilizing layer 11, the second stabilizing layer 12 and the I-shaped support 6 is arranged on the inner wall of the other side of the bottom of the I-shaped support 6 to buffer the bending-resistant tensile and deformation strength, the influence of the roadbed on the other side by the roadbed is reduced, and a second grid 10 arranged on the top of the I-shaped support 6 and a first grid 4 arranged at the bottom further improve the stability of the roadbed, the use process of the interface of the rigid roadbed and the flexible roadbed is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A rigid roadbed and flexible roadbed interface comprises a flexible roadbed body (1) and a rigid roadbed body (8), it is characterized in that an I-shaped bracket (6) is arranged on the outer wall of the other side of the flexible roadbed body (1), the I-shaped bracket (6) is connected with the rigid roadbed body (8), a rectangular hole I is arranged on the inner wall of one side of the bottom of the I-shaped bracket (6), a first stable layer (11) is laid on the inner wall of the first rectangular hole, a second rectangular hole is formed on the outer wall of the other side of the top of the I-shaped support (6), a second stabilizing layer (12) is laid on the inner wall of the second rectangular hole, a waterproof layer (14) is arranged on the inner wall of one side of the top of the I-shaped bracket (6), a buffer layer (15) is arranged on the inner wall of the other side of the bottom of the I-shaped bracket (6), and the waterproof layer (14) and the buffer layer (15) are connected with the first stabilizing layer (11) and the second stabilizing layer (12).

2. The interface of the rigid roadbed and the flexible roadbed according to claim 1, wherein the waterproof layer (14) and the buffer layer (15) are arranged in an L shape, and impermeable layers (13) are laid on the inner walls of two sides of the I-shaped support (6).

3. A rigid subgrade-to-flexible subgrade interface according to claim 2, characterized in that said barrier layers (13) are connected to both the first stabilizer layer (11) and the second stabilizer layer (12).

4. A rigid roadbed and flexible roadbed interface according to claim 1, characterized in that the top outer walls of the rigid roadbed body (8) and the flexible roadbed body (1) are provided with a surface layer (9), and the bottom outer walls of the rigid roadbed body (8) and the flexible roadbed body (1) are provided with a roadbed layer (3).

5. A rigid roadbed and a flexible roadbed interface according to claim 4, characterized in that the top inner wall of the flexible roadbed body (1) is provided with an asphalt layer (5), the bottom inner wall of the flexible roadbed body (1) is provided with a sandstone layer (2), and the inner wall of the rigid roadbed body (8) is provided with a concrete layer (7).

6. The interface of the rigid roadbed and the flexible roadbed according to claim 1, wherein the outer wall of the top of the I-shaped support frame (6) is provided with a second grating (10), the outer wall of the bottom of the I-shaped support frame (6) is provided with a first grating (4), and the first grating (4) and the second grating (10) are connected with the rigid roadbed body (8) and the flexible roadbed body (1).