Road structure utilizing construction waste
Through the multi-layer structure design, the characteristics of building waste are utilized, and the problems of roadbed structure stability and drainage performance are solved, and the comprehensive improvement of stability, drainage and environmental protection are achieved, reducing the cost of engineering construction.
Patent Information
- Application Number
- CN202420247494.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The existing roadbed structures that utilize construction waste are poor and have poor drainage performance have led to increased land pollution and engineering construction costs.
Adopt a multi-layer structural design, including base layer, seepage barrier layer, waste construction waste layer, support component layer, anti-segment layer and asphalt mixture layer, and use the characteristics of construction waste to improve the road through different levels of construction waste filling and combination. Structural stability and drainage performance.
It has achieved improvement in the stability and drainage of the road structure, reduced land occupation and environmental pollution, reduced engineering construction costs, and taken into account the beauty and environmental protection requirements of the road.
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Figure CN222205898U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road layer structures, and more specifically to a road structure utilizing construction waste. Background Art
[0002] In the process of urbanization in my country, the disposal of construction waste has always been a difficult problem in urban governance. Most of the construction waste is directly transported to the edge of the city for open-air accumulation or landfill, causing environmental and land pollution.
[0003] Construction waste has the advantages of good strength, hardness, wear resistance, impact toughness, frost resistance, water resistance, etc. If it is turned into a resource and used reasonably and efficiently, it can solve the problem of construction waste stacking and occupying land and reduce the pollution of construction waste to the environment; at the same time, the price of sand and gravel raw materials has risen in recent years, and the supply is short, which has also increased the cost and construction period of various projects.
[0004] The existing roadbed structure using waste landfill is prone to problems such as poor stability and poor road drainage performance due to unscientific utilization of construction waste. Utility Model Content
[0005] In order to overcome the deficiencies in the above-mentioned prior art, the utility model provides a road structure using construction waste. The road structure makes full use of construction waste, uses construction waste to fill different layers of the road structure, and plays its role according to the characteristics of the waste, improves the stability of the road structure, and achieves smooth drainage and drainage utilization.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] A road structure using construction waste comprises a subbase layer, an insulation layer, a waste construction waste layer, a support component layer, an anti-settlement layer and an asphalt mixture layer, wherein the subbase layer, the insulation layer, the waste construction waste layer, the support component layer, the anti-settlement layer and the asphalt mixture layer are paved in sequence from bottom to top.
[0008] The waste construction waste layer includes block construction waste and large-size granular waste. After the block construction waste is piled up, the large-size granular waste is filled into the gaps between the block construction waste.
[0009] The support component layer includes a support frame and small-size granular waste. The support frame includes a vertically arranged support rod, and a reinforcing rib is connected to the middle of the support rod. The small-size granular waste is filled and arranged within the supporting range of the support frame.
[0010] An anti-deformation layer is arranged between the support component layer and the waste construction waste layer, and the support frame is arranged between the seepage-proof layer and the anti-deformation layer.
[0011] The support component layer has opening structures on both sides, and support grids are arranged at the openings.
[0012] A geotextile layer is laid in the support component layer, and the geotextile layer is coated on the bottom layer and both sides of the support component layer, and the geotextile layer covers the small-size granular waste.
[0013] Slope protection structures are arranged on both sides of the base layer. The slope protection structures are open-top structures. Green plants are planted in the slope protection structures. The slope protection structures are connected to the support component layer. The upper edge height of the slope protection structure is flush with the top of the support component layer.
[0014] The asphalt mixture layer is filled with aggregates, and the aggregates are rounded aggregates.
[0015] The anti-settling layer is paved with glass fiber mesh.
[0016] The anti-deformation layer is paved with sand and gravel aggregate.
[0017] Compared with the prior art, the utility model has the following beneficial effects:
[0018] The setting of the seepage-proof layer prevents groundwater from seeping back into the subbase, thus avoiding affecting the stability of the roadbed structure; the large-sized granular waste in the abandoned construction waste layer fills the gaps between the blocky construction waste, thus ensuring the stability of the layer; the small-sized granular waste filled around the support frame and the support frame can further infiltrate and filter the infiltrating rainwater, while ensuring the stability of the support; the anti-sedimentation layer has good flexibility and high tensile strength in the warp and weft directions, which can protect the road surface from cracking; the rounded aggregate in the asphalt mixture layer avoids the damage to the tire caused by the aggregate exposed on the road surface; the setting of the support grid and geotextile layer avoids soil loss and ensures the drainage of the road surface structure; the slope protection structure not only improves the stability of the road structure, but also utilizes the drainage, while taking into account the aesthetic needs. This road structure makes full use of construction waste at all levels, providing a road structure that takes into account stability, drainage, and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 for Figure 1 A magnified schematic diagram of the middle part;
[0021] Figure 3 for Figure 1 This is an enlarged schematic diagram of part B;
[0022] Figure 4 for Figure 1 Enlarged schematic diagram of middle C part;
[0023] In the figure: 1 is the base layer, 2 is the barrier layer, 3 is the abandoned construction waste layer, 31 is the block construction waste, 32 is the large-size granular waste, 4 is the support component layer, 41 is the support frame, 42 is the small-size granular waste, 5 is the anti-settling layer, 6 is the asphalt mixture layer, 7 is the slope protection structure, 8 is the support grid, 9 is the geotextile layer, and 10 is the anti-deformation layer. DETAILED DESCRIPTION
[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.
[0026] like Figures 1 to 4 As shown, a road structure using construction waste includes a subbase 1, an isolation layer 2, a waste construction waste layer 3, a support component layer 4, an anti-settling layer 5 and an asphalt mixture layer 6. The subbase 1, the isolation layer 2, the waste construction waste layer 3, the support component layer 4, the anti-settling layer 5 and the asphalt mixture layer 6 are paved in sequence from bottom to top. The isolation layer 2 uses premixed fluidized soil with high impermeability and is constructed in blocks by self-leveling to prevent groundwater from seeping back into the roadbed structure to avoid affecting the stability of the roadbed structure.
[0027] Preferably, the waste construction waste layer 3 includes block construction waste 31 and large-size granular waste 32. After the block construction waste 31 is piled up, the large-size granular waste is filled into the gaps between the block construction waste 31. The mud on the block construction waste 31 can play a role in adhering the block construction waste 31 and the large-size granular waste 32 when water seeps under the road surface, which is beneficial to the stability of the waste construction waste layer 3.
[0028] Preferably, the support component layer 4 includes a support frame 41 and small-size waste particles 42, the support frame 41 includes a vertically arranged support rod, a reinforcing rib is connected to the middle of the support rod, and the small-size waste particles 42 are filled and arranged within the support range of the support frame 41. The small-size waste particles 42 further improve the support performance of the support frame 41 and ensure the overall stability of the support component layer.
[0029] Preferably, an anti-deformation layer 10 is provided between the support component layer 4 and the waste construction waste layer 3 , and a support frame 41 is erected between the seepage-insulating layer 2 and the anti-deformation layer 10 .
[0030] Preferably, the support component layer 4 has an open structure on both sides, and support grids 8 are provided at the openings.
[0031] Preferably, a geotextile layer 9 is laid inside the support component layer 4 , and the geotextile layer 9 is coated on the bottom layer and both sides of the support component layer 4 , and the geotextile layer 9 coats the small-size granular waste 42 therein.
[0032] Preferably, slope protection structures 7 are provided on both sides of the base layer 1. The slope protection structures 7 are open-top structures, green plants are planted in the slope protection structures 7, the slope protection structures 7 are connected to the support component layer 4, and the upper edge height of the slope protection structures 7 is flush with the top of the support component layer 4. The slope protection structures 7 are made of crushed stone concrete.
[0033] Preferably, the asphalt mixture layer 6 is filled with aggregate, and the aggregate is rounded aggregate. The rounded aggregate is made of rock crushed blocks after rounding.
[0034] Preferably, the anti-settling layer 5 is made of glass fiber mesh. The glass fiber mesh has good flexibility and high tensile strength in the warp and weft directions, and can provide anti-crack protection for the road surface.
[0035] Preferably, the anti-deformation layer 10 is paved with sand and gravel aggregate, which can provide good stability for the road and better durability than cement stone, and can reduce shrinkage, inhibit crack expansion, transmit force, reduce hydration heat and provide wear resistance, so that the road is not easily deformed or even cracked due to vehicle rolling, further improving the service life of the road.
[0036] Only the preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention, and various changes should be included in the protection scope of the present invention.
Claims
1. A road structure using construction waste, Features: The invention comprises a base layer (1), an insulation layer (2), a waste construction waste layer (3), a support component layer (4), an anti-settlement layer (5) and an asphalt mixture layer (6), wherein the base layer (1), the insulation layer (2), the waste construction waste layer (3), the support component layer (4), the anti-settlement layer (5) and the asphalt mixture layer (6) are paved in sequence from bottom to top.
2. A road structure using construction waste according to claim 1, Features: The support component layer (4) comprises a support frame (41) and small-size waste particles (42), wherein the support frame (41) comprises a vertically arranged support rod, a reinforcing rib is connected to the middle of the support rod, and the small-size waste particles (42) are filled and arranged within the support range of the support frame (41).
3. A road structure using construction waste according to claim 2, Features: An anti-deformation layer (10) is provided between the support component layer (4) and the waste construction waste layer (3), and the support frame (41) is provided between the seepage-isolating layer (2) and the anti-deformation layer (10).
4. A road structure using construction waste according to claim 2, Features: The support component layer (4) has an open structure on both sides, and support grids (8) are provided at the openings.
5. A road structure using construction waste according to claim 4, Features: A geotextile layer (9) is laid inside the support component layer (4), and the geotextile layer (9) is coated on the bottom layer and both sides of the support component layer (4), and the geotextile layer (9) covers the small-size granular waste (42).
6. A road structure using construction waste according to claim 4, Features: Slope protection structures (7) are arranged on both sides of the base layer (1); the slope protection structure (7) is a top-open structure; green plants are planted in the slope protection structure (7); the slope protection structure (7) is connected to the support component layer (4); and the upper edge of the slope protection structure (7) is flush with the top of the support component layer (4).
7. A road structure using construction waste according to claim 1, Features: The asphalt mixture layer (6) is filled with aggregate, and the aggregate is a rounded aggregate.
8. A road structure using construction waste according to claim 1, Features: The anti-settling layer (5) is formed by paving a glass fiber mesh.
9. A road structure using construction waste according to claim 3, Features: The anti-deformation layer (10) is paved with sand and gravel aggregate.
