CN216712589U

CN216712589U - Water permeability cement concrete road surface

Info

Publication number: CN216712589U
Application number: CN202122718711.0U
Authority: CN
Inventors: 吴初平; 郭旺
Original assignee: Hunan International Communications Economic Engineering Cooperation Co ltd
Current assignee: Hunan International Communications Economic Engineering Cooperation Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-10
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a water-permeable cement concrete pavement which comprises a roadway, a vertical kerb and a grass planting ditch, wherein the roadway and the grass planting ditch are respectively positioned at two sides of the vertical kerb, the water-permeable cement concrete pavement adopts a layered structure, the surface layer of one side of the roadway is a water-permeable cement concrete layer, the bottom of the water-permeable cement concrete layer is provided with a concrete base layer, the bottom of the concrete base layer is paved with a first gravel layer, the bottom of the first gravel layer is adhered with a roadbed, an asphalt waterproof coiled material is paved between the contact surfaces of the water-permeable cement concrete layer and the concrete base layer, a drainage groove is arranged in the concrete base layer, a second gravel layer is paved in the drainage groove, and three surfaces, which are not contacted with the water-permeable cement concrete layer, of the second gravel layer are paved with the asphalt waterproof coiled material. The utility model can effectively improve the infiltration of rainwater, avoid water accumulation on the road surface and improve the skid resistance of the road surface and the driving safety by paving the permeable cement concrete layer.

Description

Water permeability cement concrete road surface

Technical Field

The utility model belongs to the technical field of road engineering, and particularly relates to a water-permeable cement concrete pavement.

Background

The problems of urban waterlogging, surface water accumulation and the like easily occur due to road aging and imperfect drainage system of the prior sidewalks, municipal light roads, light parking lots, squares, roads attached to the outside of buildings, garden roads and the like, so that inconvenience is brought to people when people go out. To this end, the person skilled in the art now provides a water-permeable cement concrete pavement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water-permeable cement concrete pavement which effectively enhances the water seepage capability of the ground, reduces the drainage of rainwater runoff, avoids water accumulation on the pavement in rainy days and reduces the driving noise of motor vehicles, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a water permeability cement concrete road surface, includes the carriageway, founds the kerbstone and plants the grass ditch, the carriageway is located respectively with the grass ditch and founds the kerbstone both sides, this road surface adopts layered structure, and the road surface top layer of carriageway one side is the cement concrete layer that permeates water, the cement concrete layer bottom of permeating water is provided with the concrete basic unit, first metalling has been laid to concrete basic unit bottom, the laminating of first metalling bottom has the roadbed, laid pitch waterproofing membrane between the contact surface of cement concrete layer and concrete basic unit that permeates water, be provided with water drainage tank in the concrete basic unit, second metalling has been laid to water drainage tank's inside, pitch waterproofing membrane has all been laid with the cement concrete layer trilateral of discontact of permeating water.

Preferably, the concrete base layer, the first gravel layer and the road bed extend to the grass planting ditch along the direction of the vertical kerbs.

Preferably, a cement mortar bedding is laid between the vertical kerbs and the concrete base layer, and the height of the vertical kerbs leaking out of the surface of the roadway is 15 cm.

Preferably, fine stone concrete is laid on the top of one side of the concrete base layer, which is positioned in the grass planting ditch.

Preferably, a PE perforated pipe is laid in the central area inside the second crushed stone layer.

Preferably, a plurality of water collecting nozzles are arranged on the surface of the PE perforated pipe at equal intervals.

Preferably, the water collecting nozzle structure is funnel-shaped, and a plurality of through holes are formed in the top surface of the water collecting nozzle.

Preferably, the aperture size of the through hole is 2-8 mm.

Compared with the prior art, the utility model has the beneficial effects that:

1. by paving the pervious cement concrete layer, as the pervious concrete has the characteristic of large porosity, the infiltration property of rainwater is improved, the water accumulation on the road surface is avoided, and the skid resistance and the driving safety of the road surface are improved;

2. when the precipitation is bigger, ordinary concrete pavement mainly relies on road surface sewer earial drainage, requires than higher to drainage system, often can cause the large tracts of land ponding in road surface because of the rapid precipitation, and drainage system pressure can be shared to a certain extent in the construction on this road surface, reduces ponding, waterlogging phenomenon.

3. The vehicle is at the in-process of going, can impress the air between vehicle tire and the road surface, therefore produces the noise, and rainfall weather is more obvious, aggravates urban noise pollution, and the noise can effectively be collected to the porous characteristic of water permeability concrete road surface, and the noise abatement is to the influence of resident life work.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a structure view of a water permeable cement concrete pavement;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a view of a PE perforated pipe structure of a water permeable cement concrete pavement.

In the figure: 1. a roadway; 11. a pervious cement concrete layer; 12. a concrete base layer; 13. a first crushed stone layer; 14. a road bed; 15. asphalt waterproof coiled materials; 16. a second crushed stone layer; 17. PE perforated pipes; 18. a water collecting nozzle; 19. a through hole; 2. erecting a curb; 21. cement mortar bedding; 3. planting grass in the grass furrows; 31. fine stone concrete.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

With reference to fig. 1 and 2, a water permeable cement concrete pavement comprises a roadway 1, a vertical kerb 2 and a grass planting ditch 3, wherein the roadway 1 and the grass planting ditch 3 are respectively positioned at two sides of the vertical kerb 2;

the pavement adopts a layered structure, the pavement surface layer on one side of the roadway 1 is a permeable cement concrete layer 11, the permeable cement concrete layer 11 has the characteristics of many holes, light weight and the like, and can increase the water seepage capability of the ground, a concrete base layer 12 is arranged at the bottom of the permeable cement concrete layer 11, a water drainage groove is reserved in the concrete base layer 12, a second gravel layer 16 is laid in the water drainage groove, a PE perforated pipe 17 is laid in the central area in the second gravel layer 16 and used for draining accumulated water on the pavement, and meanwhile, asphalt waterproof coiled materials 15 are laid between the contact surfaces of the permeable cement concrete layer 11 and the concrete base layer 12 and on three non-contact surfaces of the permeable cement concrete layer 11 of the second gravel layer 16, so as to prevent upper-layer water from invading the soil, and the bottom of the concrete base layer 12 is sequentially connected with a first gravel layer 13 and a roadbed 14;

wherein the concrete base layer 12, the first gravel layer 13 and the road bed 14 extend to the grass planting ditch 3 along the direction of the vertical kerbstone 2 and are a common base layer for the grass planting ditch 3 and the roadway 1, and fine stone concrete 31 is paved on the concrete base layer 12 at one side of the grass planting ditch 3;

a cement mortar bedding 21 is laid between the vertical kerbs 2 and the concrete base layer 12 and used for fixing the vertical kerbs 2, the height of the vertical kerbs 2 leaking out of the surface of the roadway 1 is 15cm, and accumulated water on the road surface is prevented from spreading outwards.

As shown in figure 3, a PE perforated pipe structure diagram of a water permeability cement concrete pavement, PE perforated pipe 17 surface equidistance is provided with a plurality of water collecting nozzles 18, water collecting nozzles 18's structure is for leaking hopper-shaped, and water collecting nozzles 18's top surface has seted up a plurality of through-holes 19, and through-hole 19's aperture size is 2-8mm, effectively collects upper rainwater, avoids leading to the hole to block up because of the rubble simultaneously.

A water permeable cement concrete pavement can be constructed by adopting the following steps:

s1, constructing a base layer: cleaning sundries on the surface layer of the road bed 14, compacting and flattening, paving aggregate and gravel to form a first gravel layer 13, and rolling and flattening, wherein the thickness of the first gravel layer 13 is 15 cm;

s2, construction of the concrete base layer 12: paving cement concrete on the first gravel layer 13, rolling and leveling, and reserving a drainage channel in the concrete base layer 12;

s3, paving a waterproof layer: lay asphalt waterproofing membrane 15 on the surface of concrete-based layer 12 and water drainage tank, the concrete flow is: base layer inspection, cleaning → detail node sealing treatment → base layer treating agent coating → positioning, line popping, trial paving → isolating paper at the bottom of a coiled material is uncovered → self-adhesive coiled material is paved → rolling, exhausting → lap seam bonding, rolling exhausting → acceptance and protection;

s4, laying the PE perforated pipe 17: pre-burying a PE perforated pipe 17 in the drainage channel, wrapping the outer surface of the PE perforated pipe 17 with needle-punched non-woven geotextile, and paving and leveling broken stones in the drainage channel to enable the surface layer of the second broken stone layer 16 to be flush with the concrete base layer 12;

s5, laying of the vertical kerbstone 2: after the areas of the roadway 1 and the grass planting ditch 3 are reasonably planned, the vertical kerbs 2 are paved at the boundary, and the bottoms of the vertical kerbs 2 are fixed on the concrete base layer 12 through the cement mortar bedding 21;

s6, paving fine stone concrete 31: paving fine stone concrete 31 on the concrete base layer 12 in the area of the grass planting ditch 3, wherein the paving thickness of the fine stone concrete 31 is 15cm, and the compressive strength grade is C15;

s7, construction of the pervious cement concrete layer 11: after the construction steps are checked and accepted, paving the pervious concrete, wherein the concrete flow is as follows: construction measurement → formwork erection → pervious concrete mixing, transportation → paving → curing waiting for strength → road surface joint cutting → joint filling → finishing agent → acceptance and completion.

The working principle of the utility model is as follows: in rainy weather, because the concrete that permeates water has the characteristics that the porosity is big, improve the infiltration nature of rainwater, simultaneously because laying of pitch waterproofing membrane 15, rivers are through the cement concrete layer 11 that permeates water, are converged into the water drainage tank, flow into water collection mouth 18 through-hole 19, discharge through PE perforated pipe 17, effectively reduce the surface gathered water, improve driving safety.

The utility model is limited only by the claims and the full scope and equivalents thereof, and moreover, the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a water permeability cement concrete road surface, includes roadway (1), founds kerbstone (2) and grass planting ditch (3), roadway (1) and grass planting ditch (3) are located founds kerbstone (2) both sides respectively, its characterized in that, water permeability cement concrete road surface adopts layered structure, and the road surface top layer of roadway (1) one side is water-permeable cement concrete layer (11), water-permeable cement concrete layer (11) bottom is provided with concrete-based layer (12), first metalling (13) have been laid to concrete-based layer (12) bottom, laminating bed (14) has been laminated to first metalling (13) bottom, the bituminous waterproof coiled material (15) of pitch has been laid between the contact surface of water-permeable cement concrete layer (11) and concrete-based layer (12), be provided with water drainage tank in concrete-based layer (12), water drainage tank's inside is laid and is equipped with second metalling (16), and asphalt waterproof coiled materials (15) are paved on three surfaces of the second gravel layer (16) which are not in contact with the water-permeable cement concrete layer (11).

2. A water permeable cement concrete pavement according to claim 1, characterized in that the concrete base layer (12), the first gravel layer (13) and the roadbed (14) extend in the direction of the kerbstone (2) to the grass-planting trench (3).

3. The water permeable cement concrete pavement according to claim 1, characterized in that a cement mortar bedding (21) is laid between the vertical kerbstone (2) and the concrete base layer (12), and the height of the vertical kerbstone (2) leaking out of the surface of the roadway (1) is 15 cm.

4. A water permeable cement concrete pavement according to claim 1, characterized in that fine stone concrete (31) is laid on the top of the concrete base layer (12) on one side of the grass planting ditch (3).

5. A water-permeable cement concrete pavement according to claim 1, characterized in that a PE perforated pipe (17) is laid in the central region inside said second gravel layer (16).

6. A water permeable cement concrete pavement according to claim 5, characterized in that said PE perforated pipes (17) are provided with water collection nozzles (18) on their surface at equal intervals.

7. The water permeable cement concrete pavement according to claim 6, wherein the water collecting nozzle (18) is funnel-shaped, and a plurality of through holes (19) are formed on the top surface of the water collecting nozzle (18).

8. A water-permeable cement concrete pavement according to claim 7, characterized in that the aperture size of said through holes (19) is 2-8 mm.