Asphalt pavement splicing structure
Through the design of the prefabricated stitching layer and the stitching frame, combined with the use of connecting ribs and enhanced tendons, the problem of long construction cycle in existing asphalt pavement construction technology and difficulty in controlling the quality of the existing asphalt pavement construction have achieved rapid laying and high -intensity stitching on the pavement, reducing Environmental pollution.
Patent Information
- Application Number
- CN202420966397.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing asphalt pavement construction technology has problems such as long construction cycle, difficult construction quality and environmental pollution, especially the long construction and maintenance time of the base layer and the difficulty in precise control of the construction technology, resulting in poor uniformity of the pavement quality.
The prefabricated stitching layer is used for pavement stitching, including multiple interconnected stitching frames. It forms a high -intensity splicing structure by connecting tendons and enhanced tendons and reinforcement layers, and waterproof concrete is infused in the splicing slot.
The rapid laying or expansion of the pavement, high splicing intensity, can ensure the strength of the pavement, solve the problem of long construction cycle and difficulty controlling quality, while reducing environmental pollution.
Smart Images
Figure CN222412472U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pavement structures, in particular to an asphalt pavement splicing structure. Background Art
[0002] Asphalt pavement is widely used in municipal roads and highways in my country due to its advantages such as high flatness and strong comfort. At present, the main problems of cast-in-place asphalt pavement construction technology are long construction period, difficult to control construction quality, environmental pollution, etc. First, the construction period of asphalt pavement is seriously affected by weather temperature, the construction process is less automated, and the base construction and maintenance time is long, resulting in a long construction period. Secondly, the construction technology of cast-in-place asphalt pavement is difficult to accurately control the construction process due to the long material transportation distance and serious differences in the construction environment, which makes the quality uniformity of the asphalt pavement poor.
[0003] Therefore, a pavement structure that can be prefabricated, easily transported, and quickly assembled on site is a technical product that is urgently needed on the market. Summary of the invention
[0004] In order to solve the above problems, the utility model provides the following solutions:
[0005] An asphalt pavement splicing structure comprises a base layer, a crushed stone layer, a reinforcement layer, a splicing layer and an asphalt layer, wherein a crushed stone layer is laid on the base layer, a reinforcement layer is laid on the crushed stone layer, a splicing layer is arranged on the reinforcement layer, and an asphalt layer is laid on the splicing layer; the splicing layer comprises a plurality of splicing frames connected to each other, the splicing frames comprise a splicing side wall and a splicing bottom surface, the splicing side wall and the splicing bottom surface are enclosed to form a splicing groove, and waterproof concrete is poured into the splicing groove; the rear ends of the splicing side walls on the left and right sides are provided with reinforcement connection holes from top to bottom, and the upper ends of the reinforcement connection holes face the front of the top of the splicing side walls A reinforcement connecting groove is extended from the end; a splicing hole is provided from top to bottom at the front end of the left splicing side wall, and a splicing groove is extended from the upper end of the splicing hole to the rear end of the top surface of the splicing side wall to form a splicing hole; an embedding groove is provided from the middle to the lower end of the outer side surface of the left splicing side wall corresponding to the splicing hole, and a connecting rib is provided on the outer side surface of the right splicing side wall corresponding to the embedding groove; reinforcing ribs are arranged in the reinforcement layer, and the upper ends of the reinforcing ribs corresponding to the reinforcing connecting holes pass through the reinforcing connecting holes and are bent and embedded in the reinforcing connecting grooves; two adjacent splicing frames are connected by bending the connecting ribs upwards, passing through the splicing holes from the embedding grooves, and then bending and embedding in the splicing grooves.
[0006] Furthermore, the reinforcement layer is formed by pouring high-strength concrete.
[0007] Furthermore, the splicing layer and the reinforcement layer are bonded and fixed by an adhesive.
[0008] The beneficial effects of the utility model are:
[0009] The road surface is spliced by prefabricated splicing layers to achieve rapid paving or expansion of the road surface. The splicing frames are connected to each other through connecting ribs and to the reinforcement layer through reinforcing ribs. The splicing strength is high and can ensure the strength of the road surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 It is a top view of the splicing frame;
[0012] Figure 3 Schematic diagram of the spliced side wall structure.
[0013] 1. Base layer; 2. Gravel layer; 3. Reinforcement layer; 4. Splicing layer; 5. Asphalt layer; 6. Waterproof concrete; 7. Splicing frame; 8. Reinforcement ribs; 9. Splicing bottom surface; 10. Splicing side walls; 11. Reinforced connection holes; 12. Reinforced connection grooves; 13. Splicing holes; 14. Splicing grooves; 15. Connection ribs; 16. Embedded grooves. DETAILED DESCRIPTION
[0014] In order to make the purpose, technical scheme and advantages of the present application clearer, the present invention is further described in detail below in conjunction with the embodiments. In order to thoroughly understand the present invention, some specific details will be involved in the following description. In the absence of these specific details, the invention of the present invention can still be realized, that is, the description and statement herein can more effectively introduce the nature of their work to other technicians in the field. In addition, it should be noted that it should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the actual protection scope. All raw materials used in the following examples are commercially available products.
[0015] Example 1: Figure 1-Figure 3As shown, an asphalt pavement splicing structure includes a base layer 1, a crushed stone layer 2, a reinforcement layer 3, a splicing layer 4 and an asphalt layer 5, wherein the crushed stone layer 2 is laid on the base layer 1, the reinforcement layer 3 is laid on the crushed stone layer 2, the splicing layer 4 is arranged on the reinforcement layer 3, and the asphalt layer 5 is laid on the splicing layer 4; the splicing layer 4 includes a plurality of splicing frames 7 connected to each other, the splicing frames 7 include a splicing side wall 10 and a splicing bottom surface 9, the splicing side wall 10 and the splicing bottom surface 9 are enclosed to form a splicing groove, and waterproof concrete 6 is poured into the splicing groove; the rear ends of the splicing side walls 10 on the left and right sides are provided with a reinforcement connection hole 11 from top to bottom, and the upper ends of the reinforcement connection holes 11 extend toward the front end of the top surface of the splicing side wall 10. A reinforcement connection groove 12 is provided; a splicing hole 13 is provided at the front end of the left splicing side wall 10 from top to bottom, and a splicing groove 14 is provided at the upper end of the splicing hole 13 extending toward the rear end of the top surface of the splicing side wall 10; an embedding groove 16 is provided from the middle to the lower end of the outer side surface of the left splicing side wall 10 corresponding to the splicing hole 13, and a connecting rib 15 is provided on the outer side surface of the right splicing side wall 10 corresponding to the embedding groove 16; reinforcing ribs 8 are arranged in the reinforcement layer 3, and the upper ends of the reinforcing ribs 8 corresponding to the reinforcing connection holes 11 pass through the reinforcing connection holes 11 and are bent and embedded in the reinforcing connection groove 12; two adjacent splicing frames are connected by bending the connecting ribs 15 upward, passing through the splicing holes 13 through the embedding groove 16, and then bending and embedding in the splicing groove 14.
[0016] The reinforcement layer 3 is cast by high-strength concrete. The splicing layer 4 and the reinforcement layer 3 are also bonded and fixed by an adhesive.
[0017] Waterproof concrete 6 is poured in advance in the splicing groove to make each splicing frame 7 a splicing unit. During construction, the base layer 1 is first laid, and the gravel layer 2 is laid on the base layer 1. The steel frame is first laid on the gravel layer 2, and a longer vertical reinforcing rib 8 is set corresponding to the reinforcement connection hole 11 in the splicing unit. High-strength concrete is poured into the steel frame. After the high-strength concrete is dried, an adhesive is coated and the longer vertical reinforcing rib 8 corresponding to the splicing unit is laid. After the reinforcing rib 8 is inserted into the reinforcement connection hole 11, it is bent so that the upper end of the reinforcing rib 8 is embedded in the reinforcement connection groove 12. At the same time, the connecting rib 15 on the splicing unit is bent upward and passed through the splicing hole 13 on the adjacent splicing unit. The upper end of the connecting rib 15 is bent and embedded in the splicing groove 14, and the splicing units are spliced to each other and fixed to the reinforcement layer 3 by analogy; finally, an asphalt layer 5 is laid on the splicing layer 4, and the asphalt layer 5 fills the gap at the top of the splicing layer 4.
[0018] The utility model performs road surface splicing through prefabricated splicing layers 4 to achieve rapid paving or expansion of the road surface. The splicing frames 7 are connected to each other through connecting ribs 15 and are connected to the reinforcement layer 3 through reinforcing ribs 8. The splicing strength is high and the road surface strength can be guaranteed.
[0019] Finally, it should be noted that the above examples are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above examples, and there are many variations. All variations that can be directly derived or associated with the content disclosed by a person skilled in the art from the present invention should be considered as the protection scope of the present invention.
Claims
1. An asphalt pavement splicing structure, characterized in that: It includes a base layer, a crushed stone layer, a reinforcement layer, a splicing layer and an asphalt layer, wherein a crushed stone layer is laid on the base layer, a reinforcement layer is laid on the crushed stone layer, a splicing layer is arranged on the reinforcement layer, and an asphalt layer is laid on the splicing layer; the splicing layer includes a plurality of splicing frames connected to each other, the splicing frames include a splicing side wall and a splicing bottom surface, the splicing side wall and the splicing bottom surface are enclosed to form a splicing groove, and waterproof concrete is poured into the splicing groove; the rear ends of the splicing side walls on the left and right sides are provided with a reinforcement connection hole from top to bottom, and the upper end of the reinforcement connection hole extends toward the front end of the top surface of the splicing side wall to provide a reinforcement A fixed connecting groove; a splicing hole is opened from top to bottom at the front end of the left splicing side wall, and a splicing groove is opened by extending the upper end of the splicing hole to the rear end of the top surface of the splicing side wall; an embedding groove is opened corresponding to the splicing hole from the middle to the lower end of the outer side surface of the left splicing side wall, and a connecting rib is set corresponding to the embedding groove on the outer side surface of the right splicing side wall; reinforcing ribs are arranged in the reinforcement layer, and the upper ends of the reinforcing ribs corresponding to the reinforcing connecting holes pass through the reinforcing connecting holes and are bent and embedded in the reinforcing connecting grooves; two adjacent splicing frames are connected by bending the connecting ribs upward, passing through the splicing holes from the embedding grooves, and then bending and embedding in the splicing grooves.
2. An asphalt pavement splicing structure as claimed in claim 1, characterized in that: The reinforcement layer is formed by pouring high-strength concrete.
3. An asphalt pavement splicing structure as claimed in claim 1, characterized in that: The splicing layer and the reinforcement layer are also bonded and fixed by an adhesive.