Water-permeable concrete pavement water accumulation point drainage improvement structure
By installing a drainage structure with metal mesh cages and volcanic rock filter elements at water accumulation points on permeable concrete pavements, the problem of water accumulation caused by blockages in permeable concrete pavements is solved, achieving efficient drainage and ensuring normal pavement use.
Patent Information
- Application Number
- CN202423239341.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-27
AI Technical Summary
After prolonged use, permeable concrete pavement experiences a decrease in permeability due to pore blockage, leading to water accumulation, especially in areas far from drainage wells, which affects citizens' travel and park visits.
Metal mesh cages with embedded filter elements, including volcanic rock filter elements, are installed at water accumulation points on permeable concrete pavements. Combined with permeable concrete covers and grating covers, this forms an efficient drainage structure that ensures rapid water infiltration and discharge.
This improved the drainage efficiency of waterlogged areas, prevented prolonged water accumulation after rain, and ensured the normal travel and park visits of citizens.
Smart Images
Figure CN223660540U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building engineering, concretely is a water-permeable concrete road surface water point drainage improvement structure. BACKGROUND
[0002] Water-permeable concrete has high water permeability, can effectively seepage discharge ground precipitation fast, is the good material that meets the ground construction of sponge city, is widely used in sidewalk, park road, landscape square, special landscape etc. But water-permeable concrete ground surface exists the problem that the pore of surface layer will be blocked due to various reasons after long time use, this will lead to the water permeability of water-permeable concrete ground surface decline, some positions especially the position far from the drainage well even will appear the phenomenon of ponding, after heavy rain, influence the normal travel or tour of citizen. For this, we propose a water-permeable concrete road surface water point drainage improvement structure. UTILITY MODEL CONTENTS
[0003] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a water-permeable concrete road surface water point drainage improvement structure, which can improve the drainage efficiency of the water accumulation point, avoid long-term ponding after rain, facilitate the normal travel or daily activities such as park tour of citizens, and effectively solve the problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a water-permeable concrete road surface water point drainage improvement structure, which comprises, from top to bottom, a water-permeable concrete surface layer, a water-permeable concrete base layer, a graded cushion layer and a plain soil layer, the upper surface of the water-permeable concrete surface layer is provided with a circular hole, the water-permeable concrete base layer is provided with a circular-truncated-cone-shaped groove concentric with and communicating with the circular hole, a metal mesh cage is installed in the circular-truncated-cone-shaped groove, a filling filter element is arranged in the metal mesh cage, and a circular grating cover plate is installed on the top of the metal mesh cage.
[0005] As a preferred technical scheme of the utility model, the upper surface of the metal mesh cage is provided with a water-permeable concrete cover, the water-permeable concrete cover is arranged on the inner side of the circular hole, and the upper surface of the water-permeable concrete cover is flush with the upper surface of the water-permeable concrete surface layer.
[0006] As a preferred technical scheme of the utility model, the outer side of the water-permeable concrete cover is provided with an annular rubber ring, and the rubber ring is also arranged on the inner side of the circular hole.
[0007] As a preferred technical scheme of the utility model, the grating cover plate comprises two arc-shaped cover plates, a fixed plate is installed on the top of the metal mesh cage, and the two cover plates are symmetrically hingedly arranged on the two sides of the fixed plate.
[0008] As a preferred technical scheme of the utility model, a connecting column is fixedly arranged between the center of the bottom surface of the metal mesh cage and the center of the fixed plate.
[0009] As a preferred technical scheme of the utility model, the metal mesh cage is provided with a plurality of annular reinforcing ribs, and the reinforcing ribs are coaxially arranged with the metal mesh cage and uniformly arranged at different heights of the metal mesh cage.
[0010] Compared with the prior art, the utility model has the beneficial effects that a circular hole is excavated on the surface of the water accumulation point of the pervious concrete pavement due to blockage and low terrain, then a circular groove is excavated, a metal mesh cage is installed in the circular groove, and the filling filter element arranged in the metal mesh cage has high water permeability, so that the drainage efficiency of the water accumulation point can be improved, long-term water accumulation after rain can be avoided, and normal travel or daily activities such as park tour of citizens are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a structural schematic view of the utility model;
[0012] Figure 2 It is a structural schematic view of the metal mesh cage of the utility model;
[0013] Figure 3 It is a structural schematic view of the metal mesh cage of the utility model;
[0014] Figure 4 It is a structural schematic view of the pervious concrete cover of the utility model.
[0015] In the drawing: 1, pervious concrete surface layer; 2, pervious concrete base layer; 3, graded cushion layer; 4, plain soil layer; 5, metal mesh cage; 51, filling filter element; 52, fixed plate; 53, grating cover plate; 54, connecting column; 55, reinforcing rib; 6, pervious concrete cover; 61, rubber ring. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0017] Please refer to Figures 1-4This utility model provides a technical solution: taking a permeable concrete surface layer 1 with a thickness of 15cm as an example, a permeable concrete pavement drainage improvement structure includes a permeable concrete surface layer 1, a permeable concrete base layer 2, a graded subbase layer 3, and a plain soil layer 4 arranged sequentially from top to bottom. A circular hole with a diameter of 12cm and a depth of 3cm is opened on the upper surface of the permeable concrete surface layer 1 at the location of the water accumulation point. A metal groove with a corresponding size and a slot is embedded in the circular hole. Then, a frustum-shaped recess concentric with and connected to the circular hole is opened on the permeable concrete base layer 2. The trough is a frustum-shaped groove with a top diameter of 10cm, a bottom diameter of 6cm, and a depth of 12cm. The bottom is connected to the graded padding layer 3. A metal mesh cage 5 of the corresponding size is installed in the frustum-shaped groove. The metal mesh cage 5 is filled with a filter element 51. The filter element 51 is preferably a volcanic rock filter element, which has the characteristics of many pores, light weight, high strength, acid and alkali resistance, and corrosion resistance. It can filter water well without clogging, which can improve the drainage efficiency of the water accumulation point, avoid long-term water accumulation after rain, and facilitate the normal travel of citizens or daily activities such as visiting parks.
[0018] In a preferred embodiment, a circular grid cover plate 53 is installed on the top of the metal mesh cage 5 to enclose the metal mesh cage 5 and isolate the filter element 51 from the permeable concrete on the upper side.
[0019] In a further preferred embodiment, the grid cover 53 includes two arched cover plates, and a fixing plate 52 is installed in the middle of the top of the metal mesh cage 5. The two cover plates are symmetrically hinged on both sides of the fixing plate 52, and the two cover plates can be opened to clean or replace the volcanic rock filter element in order to maintain its drainage filtration performance.
[0020] In a preferred embodiment, a connecting post 54 is fixedly installed between the center of the bottom surface of the metal mesh cage 5 and the center of the fixing plate 52. Several annular reinforcing ribs 55 are provided on the metal mesh cage 5, coaxially arranged and evenly distributed at different heights. Both the connecting post 54 and the reinforcing ribs 55 enhance the overall strength of the metal mesh cage 5. Installing it into the frustum-shaped groove prevents collapse when pedestrians walk on it. Furthermore, because this device occupies a small area, it reduces the impact on road surface strength, ensuring the long-term normal use of the road surface.
[0021] In a preferred embodiment, the upper surface of the metal mesh cage 5 is provided with a permeable concrete cover 6. The permeable concrete cover 6 is located inside the circular hole, and the upper surface of the permeable concrete cover 6 is flush with the upper surface of the permeable concrete surface layer 1, so as not to affect the overall appearance of the road surface. Since the permeable concrete cover 6 is relatively thin, it allows water to permeate quickly, so that the accumulated water can quickly pass through the permeable concrete cover 6 into the filling filter element 51 for filtration and discharge.
[0022] In a further preferred embodiment, an annular rubber ring 61 is provided on the outer side of the permeable concrete cover 6. The rubber ring 61 is also provided inside the circular hole. A locking block corresponding to the locking groove on the metal groove is provided on the lower side of the rubber ring 61. When it is necessary to clean or replace the metal mesh cage 5 and the filling filter element 51, the permeable concrete cover 6 can be quickly opened through the rubber ring 61. The operation is simple and convenient.
[0023] The rubber ring 61 is made in the same shape and color as the permeable concrete cover 6, so that it has the same appearance as the normal permeable ground and avoids abruptness.
[0024] Generally, the permeability standard for permeable concrete is above 1mm / s, so it will not accumulate water. If you want to prevent water accumulation during heavy rain or more, then you need to install this structure in areas where the water accumulation layer exceeds 1mm per hour.
[0025] The parts not disclosed in this utility model are all prior art, and their specific structures, materials, and working principles will not be described in detail. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A permeable concrete pavement drainage improvement structure, comprising, from top to bottom, a permeable concrete surface layer (1), a permeable concrete base layer (2), a graded subbase layer (3), and a soil layer (4), characterized in that: The permeable concrete surface layer (1) has a circular hole on its upper surface. The permeable concrete base layer (2) has a frustum-shaped groove that is concentric with and connected to the circular hole. A metal mesh cage (5) is installed in the frustum-shaped groove. A filter element (51) is installed inside the metal mesh cage (5). A circular grid cover plate (53) is installed on the top of the metal mesh cage (5).
2. The permeable concrete pavement drainage improvement structure according to claim 1, characterized in that: The upper surface of the metal mesh cage (5) is provided with a permeable concrete cover (6), which is located inside the circular hole, and the upper surface of the permeable concrete cover (6) is flush with the upper surface of the permeable concrete surface layer (1).
3. The permeable concrete pavement drainage improvement structure according to claim 2, characterized in that: The permeable concrete cover (6) is provided with an annular rubber ring (61) on the outside, and the rubber ring (61) is also provided inside the circular hole.
4. The permeable concrete pavement drainage improvement structure according to claim 1, characterized in that: The grid cover (53) includes two arched cover plates, and a fixing plate (52) is installed in the middle of the top of the metal mesh cage (5). The two cover plates are symmetrically hinged on both sides of the fixing plate (52).
5. The permeable concrete pavement water accumulation point drainage improvement structure according to claim 4, characterized in that: A connecting column (54) is fixedly installed between the center of the bottom surface of the metal mesh cage (5) and the center of the fixing plate (52).
6. A permeable concrete pavement drainage improvement structure according to any one of claims 1-5, characterized in that: The metal mesh cage (5) is provided with several annular reinforcing ribs (55), which are coaxially arranged with the metal mesh cage (5) and evenly distributed at different heights of the metal mesh cage (5).