CN215593563U - Pavement permeable structure - Google Patents

Abstract

The utility model belongs to the technical field of the technique of pavement and specifically relates to a pavement structure of permeating water is related to, including the road bed, the road bed is provided with the rainwater inspection shaft along vertical direction, the road bed has set gradually the rubble bed course along the direction of keeping away from the road bed, the concrete layer permeates water, the screed-coat and the brick that permeates water, the last plane of rainwater inspection shaft and the last plane level of the screed-coat that permeates water, be provided with the blind pipe that permeates water between rubble bed course and the road bed, the one end and the rainwater inspection shaft intercommunication of blind pipe permeate water, be provided with the drain pipe with municipal drainage system intercommunication in the rainwater inspection shaft. Through adopting above-mentioned technical scheme, when raining, the rainwater loops through the brick that permeates water, the screed-coat that permeates water, the concrete layer and the metalling of permeating water to flow in to the blind pipe that permeates water through the rubble layer, enter into the rainwater that permeates water in the blind pipe and flow to the rainwater inspection shaft, and install the drain pipe outflow in the rainwater inspection shaft, prevent effectively that the rainwater from piling up the condition that forms ponding on the pavement, improved the pavement effect of permeating water.

Description

Pavement permeable structure

Technical Field

The application relates to the technical field of sidewalks, in particular to a sidewalk paving water permeable structure.

Background

Sidewalks refer to parts of roads that are separated by curbs or guardrails and other similar facilities and are dedicated to the passage of pedestrians, and are very common in cities, and there are sidewalks beside general streets. Grass or trees are arranged between the sidewalk and the motor vehicle lane in some places. The sidewalk is one of important components in urban roads, is endowed with new connotation in urban development, and plays an important role in dredging urban traffic, building urban landscapes, utilizing underground spaces and depending on urban public facilities.

At present, when a constructor lays a sidewalk on a foundation, a plain soil ramming layer, a broken stone cushion layer, a coarse sand cushion layer, a permeable concrete layer, a plain cement mortar layer, a dry and hard cement mortar bonding layer and floor tiles are sequentially laid on the foundation along the direction far away from the foundation.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: when raining, rainwater can be piled up on the sidewalk to form accumulated water, so that pedestrians cannot conveniently use the sidewalk, and the water permeating effect of the sidewalk is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the effect of permeating water of people's bank of china, this application provides a people's bank of china structure of permeating water of mating formation.

The application provides a pavement structure of permeating water adopts following technical scheme:

the utility model provides a pavement structure of permeating water, includes the road bed, the road bed is provided with the rainwater inspection shaft along vertical direction, the road bed has set gradually rubble bed course, the concrete layer that permeates water, the screed-coat that permeates water and the brick that permeates water along the direction of keeping away from the road bed, the last plane of rainwater inspection shaft and the last plane level of the screed-coat that permeates water, be provided with the blind pipe that permeates water between rubble bed course and the road bed, the one end and the rainwater inspection shaft intercommunication of blind pipe that permeate water, be provided with the drain pipe with municipal drainage system intercommunication in the rainwater inspection shaft.

Through adopting above-mentioned technical scheme, when raining, the rainwater loops through the brick that permeates water, the screed-coat that permeates water, the concrete layer and the metalling of permeating water to flow in to the blind pipe that permeates water through the rubble layer, enter into the rainwater that permeates water in the blind pipe and flow to the rainwater inspection shaft, and install the drain pipe outflow in the rainwater inspection shaft, prevent effectively that the rainwater from piling up the condition that forms ponding on the pavement, improved the pavement effect of permeating water.

Optionally, a first waterproof layer is arranged between the water permeable blind pipe and the roadbed.

Through adopting above-mentioned technical scheme, first waterproof layer has effectively improved the water-proof effects between blind pipe and the road bed of permeating water, has effectively hindered rainwater and road bed contact, makes the road bed take place the condition of subsiding, has improved the stability of road bed.

Optionally, a second waterproof layer is arranged between the gravel cushion layer and the roadbed.

Through adopting above-mentioned technical scheme, the second waterproof layer has effectively improved the water-proof effects between rubble bed course and the road bed, effectively avoids partial rainwater to flow to the road bed from the rubble bed course not with the part of the blind pipe contact that permeates water, has improved the stability of road bed.

Optionally, one end of the water-permeable blind pipe close to the rainwater inspection well is inclined downwards along the horizontal direction.

Through adopting above-mentioned technical scheme, the blind pipe that permeates water of slope installation conveniently enters into the rainwater of the blind pipe that permeates water more smooth direction flow to rainwater inspection shaft, improves the effect of permeating water of pavement.

Optionally, the lateral wall of the blind pipe that permeates water is equipped with first group inlet opening and second group inlet opening along the length direction of the blind pipe that permeates water in proper order alternate spaced apart, four inlet openings have been seted up along the circumference interval of the lateral wall of the blind pipe that permeates water to first group inlet opening, five inlet openings have been seted up along the circumference interval of the lateral wall of the blind pipe that permeates water to second group inlet opening.

Through adopting above-mentioned technical scheme, the rainwater can be to passing alternately in proper order on the blind pipe that permeates water and be equipped with first group inlet opening and second group inlet opening and flow to permeating water in the blind pipe, improve the drainage performance of the blind pipe that permeates water to improve the permeable to water effect on pavement.

Optionally, a reinforcing layer is arranged between the rainwater inspection well and the roadbed.

Through adopting above-mentioned technical scheme, the back up coat can prevent effectively that the junction of road bed and rainwater inspection shaft from taking place to subside, improves the stability of rainwater inspection shaft.

Optionally, the lateral wall of the blind pipe that permeates water is provided with geotechnological cloth, the blind pipe that permeates water is interior to be provided with the spiral muscle along the fixed length direction of the blind pipe that permeates water, the spiral muscle and the inside wall butt of the blind pipe that permeates water.

Through adopting above-mentioned technical scheme, geotechnological cloth filters to the rainwater that the blind pipe that permeates water, prevents effectively that large granule debris from blockking up the blind pipe that permeates water, improves the effect of permeating water on pavement.

Optionally, the bottom wall of the rainwater inspection well is provided with a sand accumulation groove.

Through adopting above-mentioned technical scheme, the rainwater that contains silt flows the sediment inslot that deposits of rainwater inspection shaft, prevents effectively that silt from blockking up the drain pipe of rainwater inspection shaft, has effectively improved the effect of permeating water on pavement.

In summary, the present application includes at least one of the following beneficial technical effects:

when raining, rainwater sequentially passes through the water permeable bricks, the water permeable leveling layer, the water permeable concrete layer and the gravel layer, flows into the water permeable blind pipe through the gravel layer, flows into the rainwater inspection well through the rainwater in the water permeable blind pipe, and flows out through the drain pipe arranged in the rainwater inspection well, so that the condition that rainwater is accumulated on a sidewalk to form accumulated water is effectively prevented, and the water permeable effect of the sidewalk is improved;

rainwater flowing to the water-permeable blind pipe by the geotextile is filtered, so that the water-permeable blind pipe is effectively prevented from being blocked by large-particle sundries, and the water-permeable effect of the sidewalk is improved;

the rainwater containing the silt flows into the sand accumulation groove of the rainwater inspection well for precipitation, so that the rainwater inspection well is effectively prevented from being blocked by the silt, and the water permeating effect of a sidewalk is effectively improved.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic sectional view of the water permeable blind pipe in embodiment 1 of the present application.

Fig. 3 is a partial sectional view of a water permeable blind pipe according to example 2 of the present application.

Fig. 4 is a schematic sectional view of a rainwater manhole according to embodiment 3 of the present application.

Description of reference numerals: 1. a roadbed; 2. a rainwater inspection well; 21. a drain pipe; 22. a sand accumulation groove; 3. a gravel cushion layer; 4. a pervious concrete layer; 5. a permeable leveling layer; 6. water permeable bricks; 7. a water-permeable blind pipe; 71. a first set of water inlet holes; 72. a second set of water inlet holes; 73. a water inlet hole; 8. a first waterproof layer; 9. a second waterproof layer; 10. a reinforcement layer; 11. geotextile; 12. and (5) a spiral rib.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses sidewalk paving water permeable structure.

Example 1;

referring to fig. 1, the structure of permeating water of pavement includes road bed 1 and rainwater inspection shaft 2, and broken stone bed course 3, the concrete layer 4 that permeates water, the screed-coat 5 that permeates water and the brick 6 that permeates water have been laid in proper order along the direction of keeping away from road bed 1 to road bed 1, are provided with the blind pipe 7 that permeates water between broken stone bed course 3 and the road bed 1, and the one end and the rainwater inspection shaft 2 intercommunication of blind pipe 7 that permeate water. The rainwater loops through brick 6, the screed-coat 5 that permeates water, the concrete layer 4 and the rubble layer of permeating water to enter into the blind pipe 7 that permeates water, then flow to rainwater inspection shaft 2 in through the blind pipe 7 that permeates water, improved the effect of permeating water of pavement.

The brick 6 that permeates water can adopt porous concrete brick 6 that permeates water, polymer fiber concrete brick 6 that permeates water, concrete brick 6 that permeates water and silica sand brick 6 that permeates water, and in this embodiment, brick 6 that permeates water adopts silica sand brick 6 that permeates water, and silica sand brick 6 that permeates water has excellent anti freeze-thaw characteristic, good water permeability, and good anti light pollution performance still has good sound absorption. The permeable bricks 6 absorb rainwater falling to the sidewalk, and the rainwater flows towards the furnace foundation, so that the condition that the rainwater is accumulated on the sidewalk to form accumulated water is effectively prevented.

The permeable leveling layer 5 adopts dry and hard cement mortar which has lower slump, namely, less water is added during mixing, one meter of high loose hand freely falls on the ground to scatter, and the mortar is prepared according to the state that the high loose hand falls on the ground to form particles, the hand holds the particles to form clusters, and the ground falls to bloom. The dry and hard cement mortar has the characteristics of quick hardening, early strength, high compactness, improved cementing strength and convenient maintenance, can achieve the effects of leveling, slope finding and pavement stability strengthening, and is convenient for workers to install the water permeable bricks 6 on the water permeable leveling layer 5.

In this embodiment, the pervious concrete layer 4 is made of C20 sand-free macroporous concrete, the pervious concrete has a pervious function, rainwater can permeate towards the roadbed 1, the pervious concrete also has high bearing capacity, and the stability of the sidewalk is improved.

In this embodiment, rubble bed course 3 adopts the graduation rubble compaction, and rubble bed course 3 can improve the bearing strength of road bed 1, effectively prevents road bed 1 and subsides, adjusts the uneven settlement of road bed 1, and the drainage rigid coupling of acceleration pavement to the rubble can be filtered the rainwater to infiltration blind pipe infiltration.

The blind pipe 7 that permeates water can adopt the pipe that permeates water of hard formula or the pipe that permeates water of soft formula, and the lower plane of blind pipe 7 that permeates water is level with the lower plane of rubble bed course 3. In this embodiment, the water permeable blind pipe 7 is a hard water permeable pipe 7 mainly made of high density polyethylene resin. The hard permeable pipe with the high-density polyethylene resin as the main material has the characteristics of pressure resistance, wear resistance, high compressive bearing strength, long service life, rapid accumulated water drainage and simple and convenient construction, the permeable blind pipe 7 absorbs water permeating in the gravel cushion layer 3, and rainwater entering the permeable blind pipe 7 flows to the rainwater inspection well 2 along the length direction of the permeable blind pipe 7. In order to make the rainwater that enters into the blind pipe 7 that permeates water flow more smoothly, the blind pipe 7 that permeates water is close to the one end of rainwater inspection shaft 2 and follows the horizontal direction downward sloping, and in this embodiment, the blind slope of laying of pipe that permeates water to rainwater inspection shaft 2 side is 0.5%.

Referring to fig. 1 and 2, a first group of water inlet holes 71 and a second group of water inlet holes 72 are formed in the side wall of the water permeable blind pipe 7 at intervals along the circumferential direction of the outer side wall of the water permeable blind pipe 7. The first group of water inlet holes 71 are provided with four water inlet holes 73 at intervals along the circumferential direction of the outer side wall of the water permeable blind pipe 7, the four water inlet holes 73 of the first group of water inlet holes 71 are respectively positioned at the lowest water inlet holes 73 at the two sides of the water permeable blind pipe 7 and are horizontal along the same horizontal line, the horizontal line penetrates through the circle center of the water permeable blind pipe 7, the other two water inlet holes 73 of the first group of water inlet holes 71 are both positioned above the horizontal line, and the interval between the adjacent water inlet holes 73 is 60 degrees. Five water inlet holes 72 of the second group are arranged along the circumferential direction of the outer side wall of the water permeable blind pipe 7 at intervals, five water inlet holes 73 of the second group of water inlet holes 72 are respectively positioned at the lowest water inlet holes 73 at two sides of the water permeable blind pipe 7 and are horizontal along the same horizontal line, and the rest three water inlet holes 73 of the second group of water inlet holes 72 are all positioned above the horizontal line, and the interval between the adjacent water inlet holes 73 is 60 degrees. The first group of water inlet holes 71 and the second group of water inlet holes 72 are sequentially and alternately arranged on the side wall of the water permeable blind pipe 7 at intervals along the length direction of the water permeable blind pipe 7. The rainwater can flow into the permeable blind pipe 7 by passing through the permeable blind pipe 7 and alternately arranging the first group of water inlet holes 71 and the second group of water inlet holes 72 in sequence at intervals, so that the drainage performance of the permeable blind pipe 7 is improved, and the drainage performance of the sidewalk is improved.

Referring to fig. 1, a first waterproof layer 8 is laid between the water permeable blind pipe 7 and the roadbed 1, and a second waterproof layer 9 is laid between the gravel cushion layer 3 and the roadbed 1. The first waterproof layer 8 and the second waterproof layer 9 can be made of waterproof coiled materials, cement-based waterproof materials, polyurethane waterproof materials and impermeable films, in the embodiment, the first waterproof layer 8 and the second waterproof layer 9 are made of impermeable films, the impermeable films are also called polyethylene geomembranes, and the impermeable films are mainly made of materials with strong chemical properties such as milky thermoplastic resins and are nontoxic and tasteless white particles. The anti-seepage film has good heat resistance and cold resistance, high tensile strength, good chemical stability, long service life and good waterproof and anti-seepage effects. First waterproof layer 8 has effectively improved the water-proof effects between blind pipe 7 and the road bed 1 that permeates water, has effectively hindered rainwater and the contact of road bed 1, makes the condition that road bed 1 takes place to subside, has improved road bed 1's stability. The second waterproof layer 9 has effectively improved the water-proof effects between rubble bed course 3 and the road bed 1, effectively avoids partial rainwater to flow to road bed 1 from the part of rubble bed course 3 not with the blind pipe 7 contact that permeates water, has improved road bed 1's stability.

Referring to fig. 1, the rainwater inspection well 2 is a hollow shell with an open top, the upper plane of the rainwater inspection well 2 is horizontal to the upper plane of the permeable leveling layer 5, and a drain pipe 21 communicated with a municipal drainage system is installed on the side wall of the rainwater inspection well 2 and close to the bottom wall of the rainwater inspection well 2. Rainwater of the permeable blind pipe 7 flows into the rainwater inspection well 2, flows into a municipal drainage system from a drainage pipe 21 of the rainwater inspection well 2, and is collected from rainwater permeating from a sidewalk. In order to improve the stability of the rainwater inspection well 2, a reinforcing layer 10 is laid between the rainwater inspection well 2 and the roadbed 1, the reinforcing layer 10 is integrally formed on the roadbed 1 by pouring C20 concrete, and the reinforcing layer 10 can effectively prevent the junction of the roadbed 1 and the rainwater inspection well 2 from settling, so that the stability of the rainwater inspection well 2 is improved.

The implementation principle of the embodiment 1 of the application is as follows: when raining, the rainwater loops through the permeable brick 6, the permeable leveling layer 5, the concrete layer and the gravel layer, flows into the permeable blind pipe 7 through the gravel layer, the rainwater entering the permeable blind pipe 7 flows into the rainwater inspection well 2, and the drain pipe 21 installed in the rainwater inspection well 2 flows out, so that the condition that the rainwater is accumulated on a sidewalk to form accumulated water is effectively prevented, and the drainage performance of the sidewalk is improved.

Example 2;

referring to fig. 3, the present embodiment 2 is different from the embodiment 1 in that the outer side wall of the water permeable blind pipe 7 is provided with geotextile 11, and the inner side wall of the water permeable blind pipe 7 is provided with spiral ribs 12.

Referring to fig. 3, the staff has geotechnique's cloth 11 at the lateral wall parcel of the blind pipe 7 that permeates water, and geotechnique's cloth 11 will filter the rainwater of coming from rubble bed course 3 infiltration, effectively prevents that the great debris of rainwater from entering into the blind pipe 7 that permeates water in, leads to permeating water blind pipe 7 to block up, effectively ensures the drainage effect of the blind pipe 7 that permeates water.

Referring to fig. 3, a spiral rib 12 is installed in the permeable blind pipe 7 along the length direction of the permeable blind pipe 7, and the spiral rib 12 is welded on the inner side wall of the permeable blind pipe 7. The spiral ribs 12 can improve the bearing strength of the permeable blind pipe 7, and effectively prolong the service life of the permeable blind pipe 7.

Example 3;

referring to fig. 4, the difference between the present embodiment 2 and embodiment 1 is that a sand accumulation groove 22 is formed on the rainwater manhole 2.

Referring to fig. 4, a sand accumulation groove 22 is formed in the bottom wall of the rainwater inspection well 2, and workers can enter the rainwater inspection well 2 from the opening of the rainwater inspection well 2 to regularly clean sludge precipitated in the sand accumulation groove 22. The rainwater containing the silt flows into the sand accumulation groove 22 of the rainwater inspection well 2 for sedimentation, so that the rainwater inspection well 2 is effectively prevented from being blocked by the silt, and the drainage performance of a sidewalk is effectively improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a pavement structure of permeating water which characterized in that: including road bed (1), road bed (1) is provided with rainwater inspection shaft (2) along vertical direction, road bed (1) has set gradually rubble bed course (3), concrete layer (4) permeate water, screed-coat (5) and the brick (6) that permeates water along the direction of keeping away from road bed (1), the last plane of rainwater inspection shaft (2) and the last plane level of screed-coat (5) of permeating water, be provided with between rubble bed course (3) and road bed (1) blind pipe (7) of permeating water, the one end and the rainwater inspection shaft (2) intercommunication of blind pipe (7) of permeating water, be provided with in rainwater inspection shaft (2) drain pipe (21) with municipal drainage system intercommunication.

2. A sidewalk paving water permeable structure according to claim 1, wherein: and a first waterproof layer (8) is arranged between the water permeable blind pipe (7) and the roadbed (1).

3. A sidewalk paving water permeable structure according to claim 1, wherein: and a second waterproof layer (9) is arranged between the gravel cushion layer (3) and the roadbed (1).

4. A sidewalk paving water permeable structure according to claim 1, wherein: one end of the permeable blind pipe (7) close to the rainwater inspection well (2) is inclined downwards along the horizontal direction.

5. A sidewalk paving water permeable structure according to claim 1, wherein: the lateral wall of the blind pipe (7) of permeating water is equipped with first group inlet opening (71) and second group inlet opening (72) along the length direction of the blind pipe (7) of permeating water in turn at intervals, four inlet openings (73) have been seted up along the circumference interval of the lateral wall of the blind pipe (7) of permeating water in first group inlet opening (71), five inlet openings (73) have been seted up along the circumference interval of the lateral wall of the blind pipe (7) of permeating water in second group inlet opening (72).

6. A sidewalk paving water permeable structure according to claim 1, wherein: and a reinforcing layer (10) is arranged between the rainwater inspection well (2) and the roadbed (1).

7. A sidewalk paving water permeable structure according to claim 1, wherein: the lateral wall of the blind pipe (7) that permeates water is provided with geotechnological cloth (11), the blind pipe (7) that permeates water is interior along the fixed spiral muscle (12) that is provided with of length direction of the blind pipe (7) that permeates water, the inside wall butt of spiral muscle (12) and the blind pipe (7) that permeates water.

8. A sidewalk paving water permeable structure according to claim 1, wherein: and a sand accumulation groove (22) is formed in the bottom wall of the rainwater inspection well (2).

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