A water-permeable structural surface layer arched brick
By designing a multi-layered crushed stone layer and a concrete arched brick structure, the load-bearing capacity and durability issues of the permeable pavement are solved, achieving efficient drainage and reducing engineering costs. This makes it suitable for permeable pavements in sponge city construction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENYANG MUNICIPAL ENG DESIGN RES INST
- Filing Date
- 2025-06-13
- Publication Date
- 2026-06-02
AI Technical Summary
Existing permeable surface materials, such as permeable asphalt and grass pavers, are insufficient in terms of load-bearing capacity, durability, and maintenance costs, making it difficult to meet the needs of sponge cities.
The structure employs multiple layers of crushed stone and concrete arched bricks, combined with a waterproof membrane, to form a stable framework and efficient drainage channels. Protrusions and grooves are set on the sidewalls of the arched bricks to accelerate rainwater flow, and a seepage pipe is installed in the center of the bricks to improve rainwater infiltration efficiency.
It improves the load-bearing capacity and durability of permeable pavement, reduces engineering costs, enhances the rainwater storage capacity of sponge cities and the aesthetics of paving, and is suitable for permeable sidewalks and parking spaces.
Smart Images
Figure CN224313985U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of municipal engineering technology, specifically to a permeable structural arched brick. Background Technology
[0002] The application of arched bricks in the permeable surface layer of sponge city structures is an important technological application; however, permeable surfaces currently on the market often face problems such as limited load-bearing capacity. Commonly used permeable surfaces include permeable asphalt and grass pavers, which, while each with its own advantages, also have some limitations.
[0003] Permeable asphalt, with its unique properties, provides excellent drainage for road surfaces, helping to mitigate the urban heat island effect and reduce road noise. However, due to its material composition, permeable asphalt has relatively poor durability and is susceptible to climatic conditions; high temperatures, for example, accelerate its aging. Grass pavers are brick-shaped structures with a certain load-bearing capacity. They are not only permeable but also allow for plant growth. These pavers are commonly used in parking lots, plazas, and other areas, providing aesthetically pleasing greenery while absorbing noise from vehicles. Grass pavers require regular maintenance, such as watering and weed removal; otherwise, their appearance and function will be affected. Due to their limited load-bearing capacity, grass pavers may deteriorate after prolonged use.
[0004] The application of arched bricks in the permeable surface layer of sponge cities requires comprehensive consideration of factors such as cost, load-bearing capacity, and durability. Therefore, we propose an arched brick design for permeable surface layers to improve the drainage and ecological protection effects of sponge cities. Utility Model Content
[0005] The purpose of this invention is to provide a permeable structural arched brick to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a permeable structural arched brick, comprising a compacted soil base layer, an impermeable membrane on the upper surface of the compacted soil base layer, a first crushed stone layer on the upper surface of the impermeable membrane, a second crushed stone layer on the upper surface of the first crushed stone layer, a third crushed stone layer on the upper surface of the second crushed stone layer, and an arched brick structure on the upper surface of the third crushed stone layer.
[0007] Preferably, the arched brick structure includes an arched brick with an arched opening at the bottom. The arched brick is made of concrete. A drainage pipe is fixedly connected to the center of the arched brick. A through-hole block is fixedly connected to the top of the inner wall of the drainage pipe. Grooves are symmetrically arranged on the sidewalls of the arched brick. Protrusions are symmetrically arranged on the sidewalls of the arched brick, and the protrusions and grooves are arranged alternately in a horizontal direction.
[0008] Preferably, the first crushed stone layer has 200mm crushed stone with a particle size of 20-40mm.
[0009] Preferably, the second crushed stone layer has 200mm crushed stone with a particle size of 13-25mm.
[0010] Preferably, the third crushed stone layer consists of 50mm crushed stone with a particle size of 2-10mm.
[0011] Preferably, the compaction degree of the subgrade compaction layer is ≥92°.
[0012] Compared with existing technologies, the beneficial effects of this utility model are as follows: the crushed stone layer can evenly distribute vehicle loads over a larger roadbed area, reducing pressure per unit area and preventing local deformation of the roadbed. The interlocking action between crushed stone particles forms a stable skeleton structure, and the gaps between the crushed stones can form efficient drainage channels, which can quickly drain surface water and prevent water accumulation from softening the roadbed. It can be used for permeable sidewalks and permeable parking spaces in sponge city construction. The arched brick structure is made of concrete, which can reduce costs and has high strength. The sidewalls of the arched bricks are provided with protrusions and grooves, which are staggered and arranged laterally at intervals to form permeable brick joints to accelerate rainwater flow. It can be used for permeable paving in sponge city construction, reducing engineering costs. The brick structure can accelerate rainwater infiltration. Through the setting of the crushed stone layer and the impermeable membrane, the rainwater storage capacity of the sponge city is enhanced. After paving, the surface is highly flat, beautiful and durable. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 for Figure 1 A three-dimensional front view of a centrally arched brick structure;
[0015] Figure 3 for Figure 1 Top view of the laying of the central arched brick structure;
[0016] In the diagram: 1. Compacted soil layer; 2. Impermeable membrane; 3. First crushed stone layer; 4. Second crushed stone layer; 5. Third crushed stone layer; 6. Arched brick structure; 61. Arched brick; 62. Drainage pipe; 63. Through-hole block; 64. Groove; 65. Protrusion. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figure 1-3 This utility model provides a permeable structural arch brick, including a soil foundation compacted layer 1, an impermeable membrane 2 on the upper surface of the soil foundation compacted layer 1, a first crushed stone layer 3 on the upper surface of the impermeable membrane 2, a second crushed stone layer 4 on the upper surface of the first crushed stone layer 3, a third crushed stone layer 5 on the upper surface of the second crushed stone layer 4, and an arch brick structure 6 on the upper surface of the third crushed stone layer 5.
[0019] The arched brick structure 6 includes an arched brick 61 with an arched opening at the bottom. The arched brick 61 is made of concrete. A drainage pipe 62 is fixedly connected to the center of the arched brick 61. A through-hole block 63 is fixedly connected to the top of the inner wall of the drainage pipe 62. Grooves 64 and protrusions 65 are symmetrically arranged on the side walls of the arched brick 61. The protrusions 65 and grooves 64 are arranged horizontally and alternately.
[0020] The first crushed stone layer 3 has 200mm crushed stone with a particle size of 20-40mm.
[0021] The second crushed stone layer 4 has 200mm crushed stone with a particle size of 13-25mm.
[0022] The third crushed stone layer 4 consists of 50mm crushed stone with a particle size of 2-10mm.
[0023] The compaction degree of the subgrade compacted layer 1 is ≥92°.
[0024] Working Principle: When setting up the permeable surface layer, the roadbed is first compacted to form a compacted soil layer 1 with a compaction degree ≥92°. Simultaneously, a geomembrane 2 is laid on the surface. The geomembrane 2 consists of two layers of fabric and one layer of geomembrane, providing better impermeability. Crushed stone layers are then laid sequentially on the surface of the geomembrane 2. The first crushed stone layer 3 consists of 200mm crushed stone with a particle size of 20-40mm; the second crushed stone layer 4 consists of 200mm crushed stone with a particle size of 13-25mm; and the third crushed stone layer 5 consists of 50mm crushed stone with a particle size of 2-10mm. These crushed stone layers evenly distribute vehicle loads over a larger roadbed area, reducing pressure per unit area and preventing localized deformation of the roadbed. The interlocking action between the crushed stone particles forms a stable skeletal structure, while the gaps between the stones create efficient drainage channels, quickly removing surface water and preventing the softening effect of accumulated water on the roadbed. It can be used for permeable sidewalks and permeable parking spaces in sponge city construction. The arched brick structure 6 is made of concrete, which can reduce costs and has high strength. The bottom is arched, and the strength can meet the parking requirements. The side walls of the arched brick 61 are provided with protrusions 65 and grooves 64, which are staggered and arranged horizontally at intervals to form permeable brick joints to accelerate rainwater flow. Moreover, a seepage pipe 62 is also provided in the center of the arched brick 61. The seepage pipe 62 can be inserted during the pouring of the arched brick 61 and solidify together with it. The inside of the seepage pipe 62 is provided with through-hole blocks 63 to accelerate the infiltration efficiency during rain. It is used for permeable ground paving in sponge city construction, which reduces engineering costs. The brick structure can accelerate rainwater infiltration. Through the setting of crushed stone layer and impermeable membrane 2, the rainwater storage capacity of sponge city is enhanced. After the paving is completed, it has high flatness, is beautiful and durable.
[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A permeable structural facing arch brick, characterized by: It includes a compacted soil layer (1), an impermeable membrane (2) is provided on the upper surface of the compacted soil layer (1), a first crushed stone layer (3) is laid on the upper surface of the impermeable membrane (2), a second crushed stone layer (4) is laid on the upper surface of the first crushed stone layer (3), a third crushed stone layer (5) is laid on the upper surface of the second crushed stone layer (4), and an arched brick structure (6) is laid on the upper surface of the third crushed stone layer (5).
2. A permeable structural facing arch brick according to claim 1, characterised in that: The arched brick structure (6) includes an arched brick (61), the bottom of which is an arched opening. The arched brick (61) is made of concrete. A permeable pipe (62) is fixedly connected to the center of the arched brick (61). A through-hole block (63) is fixedly connected to the top of the inner wall of the permeable pipe (62). Grooves (64) are symmetrically arranged on the side wall of the arched brick (61). Protrusions (65) are symmetrically arranged on the side wall of the arched brick (61), and the protrusions (65) and grooves (64) are arranged horizontally at intervals.
3. The permeable structural facing arch brick of claim 1, wherein: The first crushed stone layer (3) has 200mm crushed stone with a particle size of 20-40mm.
4. The permeable structural facing arch brick of claim 1, wherein: The second crushed stone layer (4) has 200mm crushed stone with a particle size of 13-25mm.
5. The permeable structural facing arch brick of claim 1, wherein: The third crushed stone layer (5) has 50mm crushed stone with a particle size of 2-10mm.
6. A permeable structural facing arch brick according to claim 1, wherein: The compaction degree of the soil foundation compaction layer (1) is ≥92°.