Road widening structure

By using a multi-layered composite design for the widening structure and drainage components, the coordination problem at the connection between the widening structure and the road body is solved, improving load-bearing capacity, durability and functionality, reducing noise and vibration, ensuring drainage effect, and enhancing driving comfort and structural stability.

CN224047829UActive Publication Date: 2026-03-27NINGBO LIANXING MUNICIPAL LANDSCAPE ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The connection between the existing road widening structure and the original road has not been properly optimized, resulting in the widening structure and the road body not working well together, which may lead to traffic accidents and structural damage.

Method used

The widened structure adopts a multi-layer composite design, including reinforcing ribs, elastic connectors, load-bearing layers, waterproof layers, buffer layers, and pavement layers. Through the synergistic force sharing between the reinforcing ribs and the road body, combined with drainage components to optimize drainage effect, reduce water infiltration and noise vibration, and enhance the overall strength and stability of the structure.

Benefits of technology

Improve the load-bearing capacity and durability of the widened structure, reduce the pressure on the road body, avoid stress concentration and crack formation, enhance driving comfort, ensure drainage effect, reduce the probability of water accumulation, and optimize the stability and functionality of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of urban road construction and maintenance, and discloses a road widening structure which comprises a road body, a widening structure body and a drainage assembly. According to the road widening structure, the widening structure body and the road body can be synergistically stressed, the pressure of the road body is reduced, and the widening structure body adopts a multi-layer composite design, so that the bearing capacity, durability and functionality of the widening structure body can be improved; the arranged reinforcing ribs, the elastic connecting pieces and the connecting blocks can ensure stable load transmission between the road body and the broadening structure body, stress concentration and crack generation are avoided, multi-layer composite design can be achieved through the arranged bearing layer, the arranged water-resisting layer, the arranged buffering layer and the arranged pavement layer, and different effects are achieved; the bearing layer and the buffer layer cooperate with each other to enhance the overall strength of the structure, the water-resisting layer can prevent water from permeating, the road surface layer and the buffer layer cooperate with each other to reduce noise and vibration, and the driving comfort is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of urban road construction and maintenance, in particular to a road widening structure. BACKGROUND

[0002] With the accelerated pace of urban development, the increasing traffic flow prompts many old urban areas to need road widening reconstruction to adapt to the needs of modern cities.

[0003] The existing patent (announcement number: CN221822660U) discloses a road widening structure, which comprises an original road, a top of the original road is provided with a separation strip, left and right sides of the original road are both fixedly connected with widening roads, two groups of the widening roads are both provided with drainage mechanisms, two groups of the widening roads are both fixedly connected with guardrails on sides away from each other, the widening road comprises a gravel layer, the gravel layer is laid on the bottom of the two sides of the original road, a top of the gravel layer is laid with a gravel layer, a top of the gravel layer is provided with a roadbed filling layer, a top of the roadbed filling layer is provided with an asphalt layer, the roadbed filling layer is composed of reinforced concrete, and the road widening structure solves the problem that the road surface is too long to be widened without setting a drainage system, rainwater is easily accumulated in the center of the road, and traffic accidents are caused.

[0004] The structure in the above-mentioned comparative document and the connection with the original road are not reasonably optimized, which may cause the widening structure and the road body to not work well together, in order to further optimize the cooperation effect between the widening structure and the road body, the present application provides a road widening structure. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the present application provides a road widening structure, which optimizes the structure of the connection, realizes the cooperative stress of the widening structure and the road body, reduces the pressure of the road body, and improves the bearing capacity, durability and functionality of the widening structure through the multi-layer composite design of the widening structure.

[0006] To achieve the above object, the technical scheme is as follows: a road widening structure, comprising a road body, a widening structure body and a drainage assembly, the widening structure body comprises a plurality of reinforcing ribs fixedly connected to one side of the road body and a load-bearing layer, one side of the road body is provided with two elastic connectors and a connecting block, the two elastic connectors are respectively embedded on the two sides of the outer surface of the connecting block, one end of each of the plurality of reinforcing ribs penetrates through the two elastic connectors and the connecting block, one side of the load-bearing layer is fixedly connected to the outer surface of the corresponding elastic connector, the upper surface of the load-bearing layer is paved with a waterproof layer, the upper surface of the waterproof layer is fixedly connected with a buffer layer, the upper surface of the buffer layer is fixedly connected with a road surface layer, one end of each of the plurality of reinforcing ribs penetrates through the load-bearing layer and the road surface layer, and each of the reinforcing ribs is provided with a threaded line at one end, and the outer surface of each threaded line is threadedly connected with a nut.

[0007] Through the above scheme, the widening structure body can bear force cooperatively with the road body, reducing the stress of the road body, and the widening structure body adopts a multi-layer composite design, which can improve the load-bearing capacity, durability and functionality of the widening structure body, the reinforcing ribs, elastic connectors and connecting block can ensure smooth load transmission between the road body and the widening structure body, avoiding stress concentration and crack generation, the load-bearing layer, waterproof layer, buffer layer and road surface layer can realize multi-layer composite design and achieve different effects, the load-bearing layer and buffer layer cooperate to enhance the overall strength of the structure, the waterproof layer can prevent water penetration, and the road surface layer and buffer layer cooperate to reduce noise and vibration, improving driving comfort, and the drainage assembly can improve the drainage effect of the widening structure body, reducing the probability of large amount of water accumulation, and being more practical

[0008] Further, the drainage assembly comprises a concrete block poured on one side of the widening structure body, and the reinforcing ribs, threaded lines and nuts are all poured in the concrete block.

[0009] Through the above scheme, the poured concrete block can not only facilitate drainage work, but also fix the reinforcing ribs, threaded lines and nuts, which is more practical.

[0010] Further, the upper surface of the concrete block is provided with a drainage groove, and the top of the drainage groove is fixedly connected with a filter screen.

[0011] Through the above scheme, the drainage groove can reduce the probability of large amount of water accumulation on the surface of the road body and the widening structure body, and the filter screen can filter out particulate foreign matter, thereby reducing the probability of blockage in the drainage groove.

[0012] Further, one side of the drainage groove is communicated with a plurality of drainage pipes, and the plurality of drainage pipes are communicated with the municipal drainage system.

[0013] Through the above scheme, the water in the drainage tank can be discharged into the municipal drainage system through the set drainage pipe, avoiding excessive water accumulation in the drainage tank.

[0014] Further, the bottom of the widening structure body is fixedly connected with a plurality of support piles, and the upper surface of the road body is fixedly connected with a separation belt.

[0015] Through the above scheme, the support piles can make the widening structure body form an independent bearing effect, which can reduce the direct impact on the road body, and the separation belt can facilitate the flow separation of the lane.

[0016] Further, a plurality of first reserved channels are formed in the interior of the pavement layer, a plurality of second reserved channels are formed in the inner wall of the bearing layer, and a plurality of the reinforcing bars respectively penetrate the first reserved channels and the second reserved channels and extend to the outside of the widening structure body.

[0017] Through the above scheme, the first reserved channels and the second reserved channels can facilitate the orderly extension of the reinforcing bars to the outside of the widening structure body, and can stably connect the widening structure body and the road body, prevent relative displacement between the widening structure body and the road body, and ensure the overall stability.

[0018] Further, the upper surfaces of the elastic connecting pieces, the connecting blocks and the pavement layer are paved with waterproof sealing layers, and the waterproof sealing layers are asphalt sealing glue or high polymer waterproof membranes.

[0019] Through the above scheme, the material of the waterproof sealing layer is limited, which can prevent water penetration and avoid failure of the connection due to water damage.

[0020] Further, the connecting blocks are made of high-strength steel reinforced concrete, and the elastic connecting pieces are rubber pads or polyurethane elastomers.

[0021] Through the above scheme, by limiting the material of the elastic connecting piece and the connecting block, the performance of the connection between the road body and the widening structure body can be optimized, the elastic connecting piece can absorb the impact of vehicle load, reduce the vibration and noise of the connection, prevent cracks, and the connecting block can ensure the rigidity of the connection.

[0022] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0023] The road widening structure can bear stress in cooperation with the road body through the widening structure body, reduce the stress of the road body, and improve the bearing capacity, durability and functionality of the widening structure body through the multi-layer composite design. The reinforcing ribs, elastic connecting pieces and connecting blocks can ensure stable load transmission between the road body and the widening structure body, avoid stress concentration and crack generation, and realize different effects through the multi-layer composite design of the bearing layer, water barrier layer, buffer layer and pavement layer. The bearing layer and the buffer layer cooperate to enhance the overall strength of the structure, the water barrier layer can prevent water penetration, the pavement layer and the buffer layer cooperate to reduce noise and vibration, and improve driving comfort. The drainage assembly can improve the drainage effect of the widening structure body and reduce the probability of large amount of water accumulation, and is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the structure of the present application.

[0025] Figure 2 It is a first partial top view schematic diagram of the structure of the present application.

[0026] Figure 3 It is a partial sectional plane schematic diagram of the structure of the present application.

[0027] Figure 4 It is a second partial top view schematic diagram of the structure of the present application.

[0028] Figure 5 It is a partial sectional side view schematic diagram of the structure of the present application.

[0029] In the drawings:

[0030] 1, road body; 2, widening structure body; 201, reinforcing rib; 202, elastic connecting piece; 203, connecting block; 204, bearing layer; 205, water barrier layer; 206, buffer layer; 207, pavement layer; 208, first reserved channel; 209, second reserved channel; 210, thread; 211, nut; 212, waterproof sealing layer; 3, drainage assembly; 301, concrete block; 302, drainage groove; 303, filter screen; 304, drainage pipe; 4, support pile; 5, isolation belt. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , a road widening structure in this embodiment, comprising a road body 1, a widening structure body 2 and a drainage assembly 3, the widening structure body 2 comprising a plurality of reinforcing bars 201 and a bearing layer 204 fixedly connected on one side of the road body 1, one side of the road body 1 is provided with two elastic connectors 202 and a connecting block 203, the connecting block 203 is preferably made of high-strength reinforced concrete, the elastic connector 202 is preferably rubber pad or polyurethane elastomer, by limiting the material of the elastic connector 202 and the connecting block 203, the performance of the connection between the road body 1 and the widening structure body 2 can be optimized, the elastic connector 202 can absorb the impact of vehicle load, reduce vibration and noise at the connection, prevent cracks, and the connecting block 203 can ensure the rigidity of the connection, the two elastic connectors 202 are respectively embedded on both sides of the outer surface of the connecting block 203, and one end of the plurality of reinforcing bars 201 penetrates the two elastic connectors 202 and the connecting block 203.

[0033] Please refer to Figure 2 , Figure 3 and Figure 4 , one side of the bearing layer 204 is fixedly connected with the outer surface of the corresponding elastic connector 202, the bearing layer 204 is made of high-strength concrete, reinforced concrete or composite material, responsible for bearing vehicle load, ensuring the strength and stability of the widening structure body 2, the upper surface of the bearing layer 204 is paved with a waterproof layer 205 made of SBS modified asphalt roll material, which can prevent water from penetrating into the bearing layer 204, the upper surface of the waterproof layer 205 is fixedly connected with a buffer layer 206 made of rubber pad or polyurethane foam, which can absorb the impact of vehicle load, reduce noise and vibration, the upper surface of the buffer layer 206 is fixedly connected with a pavement layer 207, one end of the plurality of reinforcing bars 201 penetrates the bearing layer 204 and the pavement layer 207 respectively, and each reinforcing bar 201 has a threaded line 210 at one end, and each threaded line 210 has a nut 211 threadedly connected to the outer surface, by tightening the nut 211 at one end of the reinforcing bar 201, the connection effect between the widening structure body 2 and the road body 1 can be enhanced, thereby reducing the probability of deviation between the road body 1 and the widening structure body 2.

[0034] Please refer to Figure 2 , Figure 3 and Figure 4The inside of the road surface layer 207 is provided with a plurality of first reserved channels 208, the inner wall of the load-bearing layer 204 is provided with a plurality of second reserved channels 209, and the plurality of reinforcing ribs 201 respectively penetrate the plurality of first reserved channels 208 and the plurality of second reserved channels 209 and extend to the outside of the widened structure body 2. The plurality of reinforcing ribs 201 can be sequentially extended to the outside of the widened structure body 2 through the plurality of first reserved channels 208 and the plurality of second reserved channels 209, the widened structure body 2 can be stably connected with the road body 1, the relative displacement between the widened structure body 2 and the road body 1 is prevented, the overall stability is ensured, the upper surfaces of the elastic connecting pieces 202, the connecting blocks 203 and the road surface layer 207 are all paved with waterproof sealing layers 212, the waterproof sealing layers 212 are asphalt sealing glue or high polymer waterproof membranes, the materials of the waterproof sealing layers 212 are limited, water penetration is prevented, the connection is not damaged by water, the bottom of the widened structure body 2 is fixedly connected with a plurality of support piles 4, and the upper surface of the road body 1 is fixedly connected with a separation belt 5. The widened structure body 2 can form an independent load-bearing effect through the support piles 4, so that the direct impact on the road body 1 is reduced, and the separation belt 5 can facilitate the separation of the lanes.

[0035] Please refer to Figure 1 、 Figure 3 and Figure 5 , the drainage assembly 3 comprises a concrete block 301 poured on one side of the widened structure body 2, the plurality of reinforcing ribs 201, the threaded wires 210 and the nuts 211 are all poured in the inside of the concrete block 301, the drainage work is facilitated, and the reinforcing ribs 201, the threaded wires 210 and the nuts 211 are fixed through the poured concrete block 301, which is more practical. The upper surface of the concrete block 301 is provided with a drainage groove 302, the top of the drainage groove 302 is fixedly connected with a filter screen 303, the probability of a large amount of water on the surfaces of the road body 1 and the widened structure body 2 is reduced through the drainage groove 302, and the probability of blockage in the inside of the drainage groove 302 is reduced through the filter screen 303, one side of the drainage groove 302 is communicated with a plurality of drainage pipes 304, the plurality of drainage pipes 304 are all communicated with a municipal drainage system, the water in the drainage groove 302 can be discharged into the municipal drainage system through the drainage pipes 304, and too much water is prevented from being stored in the drainage groove 302.

[0036] The road widening structure in the embodiment can bear force in cooperation with the road body 1, reduce the pressure of the road body 1, and improve the bearing capacity, durability and functionality of the widening structure body 2 by adopting a multi-layer composite design. The reinforcing ribs 201, elastic connecting pieces 202 and connecting blocks 203 can ensure smooth load transmission between the road body 1 and the widening structure body 2, avoid stress concentration and crack generation, and realize multi-layer composite design and different effects by the load-bearing layer 204, water-blocking layer 205, buffer layer 206 and pavement layer 207. The load-bearing layer 204 and the buffer layer 206 cooperate to enhance the overall strength of the structure, the water-blocking layer 205 can prevent water penetration, and the pavement layer 207 and the buffer layer 206 cooperate to reduce noise and vibration and improve driving comfort. The drainage assembly 3 can improve the drainage effect of the widening structure body 2 and reduce the probability of large amount of water accumulation, and is more practical.

[0037] The working principle of the above embodiment is that positioning the widening structure body 2 on one side of the road body 1 can widen the road, and pouring the drainage assembly 3 on one side of the widening structure body 2 can optimize the drainage effect. In use, the water on the surface of the road body 1 and the widening structure body 2 is filtered by the filter screen 303 and then flows into the drainage groove 302, and then the water in the drainage groove 302 is discharged to the municipal drainage system through the drainage pipe 304, thereby reducing the probability of large amount of water accumulation on the surface of the road body 1 and the widening structure body 2. When vehicles drive through the road body 1 or the widening structure body 2, the reinforcing ribs 201, elastic connecting pieces 202 and connecting blocks 203 can ensure the stability of the connection between the road body 1 and the widening structure body 2, absorb the impact of vehicle load, reduce vibration and noise at the connection, and prevent cracks. The load-bearing layer 204 can ensure the strength and stability of the widening structure body 2 and bear the vehicle load, the water-blocking layer 205 can prevent water from penetrating into the load-bearing layer 204, the buffer layer 206 can absorb the impact of vehicle load and reduce noise and vibration, and the pavement layer 207 can provide a flat, anti-skid and wear-resistant driving surface. The reinforcing ribs 201 penetrate the load-bearing layer 204 and the pavement layer 207 through the first and second reserved channels 208 and 209, respectively, and then the widening structure body 2 is locked and connected with the road body 1 by the nuts 211. The drainage assembly 3 is poured on one side of the widening structure body 2, and the threaded wires 210 and nuts 211 are poured in the concrete blocks 301, which strengthens the connection between the road body 1 and the widening structure body 2, reduces the probability of deviation, and effectively optimizes the actual use effect of the structure.

[0038] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0039] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A road widening structure comprising a road body (1), a widening structure body (2) and a drainage assembly (3), characterized in that: The widening structure body (2) comprises a plurality of reinforcing ribs (201) and a bearing layer (204) fixedly connected on one side of the road body (1), one side of the road body (1) is provided with two elastic connectors (202) and a connecting block (203), the two elastic connectors (202) are respectively embedded on the two sides of the outer surface of the connecting block (203), one end of each of the plurality of reinforcing ribs (201) penetrates the two elastic connectors (202) and the connecting block (203), one side of the bearing layer (204) is fixedly connected with the outer surface of the corresponding elastic connector (202), the upper surface of the bearing layer (204) is paved with a waterproof layer (205), the upper surface of the waterproof layer (205) is fixedly connected with a buffer layer (206), the upper surface of the buffer layer (206) is fixedly connected with a pavement layer (207), one end of each of the plurality of reinforcing ribs (201) penetrates the bearing layer (204) and the pavement layer (207), and one end of each of the reinforcing ribs (201) is provided with a threaded line (210), and the outer surface of each threaded line (210) is threadedly connected with a nut (211).

2. A road widening structure as claimed in claim 1, wherein: The drainage assembly (3) comprises a concrete block (301) poured on one side of the widening structure body (2), and the plurality of reinforcing ribs (201), threaded lines (210) and nuts (211) are located in the concrete block (301).

3. A road widening structure as claimed in claim 2, wherein: The upper surface of the concrete block (301) is provided with a drainage groove (302), and the top of the drainage groove (302) is fixedly connected with a filter screen (303).

4. A road widening structure as claimed in claim 3, wherein: One side of the drainage groove (302) is communicated with a plurality of drainage pipes (304), and the plurality of drainage pipes (304) are communicated with a municipal drainage system.

5. A road widening structure as claimed in claim 1, wherein: The bottom of the widening structure body (2) is fixedly connected with a plurality of support piles (4), and the upper surface of the road body (1) is fixedly connected with a separation belt (5).

6. A road widening structure as claimed in claim 1, wherein: The inside of the pavement layer (207) is provided with a plurality of first reserved channels (208), the inner wall of the bearing layer (204) is provided with a plurality of second reserved channels (209), and the plurality of reinforcing ribs (201) respectively penetrate the plurality of first reserved channels (208) and the second reserved channels (209) and extend to the outside of the widening structure body (2).

7. A road widening structure as claimed in claim 1, wherein: The upper surfaces of the elastic connectors (202), the connecting block (203) and the pavement layer (207) are paved with a waterproof sealing layer (212), and the waterproof sealing layer (212) is asphalt sealing glue or a high polymer waterproof film.

8. A road widening structure as claimed in claim 1, wherein: The connecting block (203) is made of high-strength reinforced concrete, and the elastic connector (202) is a rubber pad or a polyurethane elastomer.

Citation Information

Patent Citations

  • Road widening structure

    CN221822660U