CN212053981U

CN212053981U - Outdoor parking lot

Info

Publication number: CN212053981U
Application number: CN201921765945.7U
Authority: CN
Inventors: 刘芳; 安乐; 李新燕; 黄维
Original assignee: Elion Ecological Restoration Co ltd
Current assignee: Elion Ecological Restoration Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-12-01
Anticipated expiration: 2029-10-21

Abstract

The present disclosure relates to an outdoor parking lot comprising a permeable layer, a permeate transfer pipe, and a rainwater storage module pool; the permeable layer is sequentially paved with grass planting bricks, medium coarse sand, porous concrete and graded broken stone cushion layers from top to bottom; the infiltration transfer pipe is embedded in the graded broken stone cushion layer and is communicated with the rainwater storage module pool; the bottom and the periphery of the rainwater storage module water tank are wrapped with waterproof geomembranes, and the top of the rainwater storage module water tank is wrapped with permeable geotextiles. The outdoor parking apron has the functions of rainwater infiltration, transfer and storage, and avoids the problems of waterlogging, rainfall runoff pollution and water resource shortage of the outdoor parking apron.

Description

Outdoor parking lot

Technical Field

The application relates to the field of urban planning and construction, in particular to an outdoor parking apron.

Background

At present, most urban buildings in China are more, green lands are few, the pavement hardening degree is high, most urban drainage systems are in a fast drainage mode, rainwater falls on hardened ground and can be only drained from pipelines in a centralized mode, and the mode is related to the deficiency of urban ecological systems. The sewer is imperfect, the bearing capacity of the river channel is insufficient, and urban waterlogging is still not cured. Meanwhile, most cities have severe seasonal water shortage, and about 70% of rainwater cannot be effectively utilized.

The sponge city is a city development mode which fully exerts the functions of absorption, storage and seepage and slow release of rainwater by building, road, greenbelt, water system and other ecological systems by strengthening city planning construction management, effectively controls rainwater runoff, and realizes natural accumulation, natural seepage and natural purification. The construction of sponge cities is a subject of common research by city planners.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide an outdoor parking apron, this outdoor parking apron has infiltration, defeated, the storage function of rainwater.

To achieve the above objects, the present disclosure provides an outdoor parking apron including a permeable layer, a permeate transfer pipe, and a rainwater storage module pool; the permeable layer is sequentially paved with grass planting bricks, medium coarse sand, porous concrete and graded broken stone cushion layers from top to bottom; the infiltration transfer pipe is embedded in the graded broken stone cushion layer and is communicated with the rainwater storage module pool; the bottom and the periphery of the rainwater storage module water tank are wrapped with waterproof geomembranes, and the top of the rainwater storage module water tank is wrapped with permeable geotextiles.

Preferably, the grass planting brick is at least one selected from a # -shaped lawn brick, a nine-hole lawn brick, a single 8-shaped lawn brick, a double 8-shaped lawn brick or a grid-type lawn brick.

Preferably, the particle size of the medium coarse sand is 0.35mm-1.0mm, and the laying thickness is 20mm-50 mm.

Preferably, the porous concrete layer is a C20 porous concrete layer, and the laying thickness is 150mm-200 mm.

Preferably, the graded broken stone cushion layer is filled with coarse gravel, medium gravel and fine gravel; the packing ratio of the coarse gravel, the medium gravel and the fine gravel is (7-9): (2-4): 1; the particle size of the coarse gravel is 20-40 mm, the particle size of the medium gravel is 10-20 mm, and the particle size of the fine gravel is 2-9 mm; the total paving thickness of the graded broken stone cushion is 500mm-1000 mm.

Preferably, the permeation and transfer pipe is wrapped by a permeable geotextile, and the pipe diameter of the permeation and transfer pipe is 250mm-500 mm; a plurality of water seepage holes are formed in the side wall of the permeation and transportation pipe; the aperture of the water seepage hole is 2mm-5 mm.

Preferably, the rainwater storage module pool is composed of module monomers which are communicated with each other.

Preferably, the volume of the module monomer is (900- & lt 1100- & gt) mm × (450- & lt 550- & gt) mm × (350- & lt 450- & gt) mm, and the effective water storage amount is 0.2m³-2m³。

Preferably, a foundation layer is laid at the bottom of the rainwater storage module pool, and the thickness of the foundation layer is 90-110 mm.

Preferably, the ground base layer is a C15 concrete layer.

Through above-mentioned technical scheme, construct the outdoor parking lot in sponge city with infiltration, defeated, the storage function of transshipment, will original sclerosis ground reform transform into grass planting brick surface course, the rainwater runoff passes through the grass planting brick and oozes down, gets into behind the defeated infiltration pipe of transshipment, permeates on the one hand, and on the other hand is through compiling entering rainwater storage module pond, outdoor parking lot waterlogging, the problem that rainfall runoff pollutes and the water resource lacks when effectively having solved the rainfall. The adopted grass planting bricks have different shapes, the grass planting types are diversified, and the problems of monotonous, dull and pollution of the outdoor parking lot are solved. The system is stable in whole, convenient to install, short in construction period and environment-friendly. In addition, the rainwater storage module pool uses the collected rainwater for greening irrigation, car washing, road washing and other purposes. The method has the advantages of low overall investment cost, convenient maintenance, high generated economic benefit and good popularization and application values.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic cross-sectional view of an outdoor parking apron;

FIG. 2 is a schematic view of the construction of the permeation transport tube;

description of the reference numerals

1 grass planting brick

2 medium coarse sand layer

3 porous concrete layer

4-grade broken stone cushion

5 penetration transfer pipe

51 seepage hole

6 rainwater storage module pond

7 waterproof geomembrane

8 water permeable geotextile

9 ground layer

10 permeation layer

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

According to the present disclosure, as shown in fig. 1 and 2, the present disclosure provides an outdoor parking lot, which includes a permeable layer 10, a permeable transport pipe 5, and a rainwater storage module pool 6 buried under a ground cover soil layer, wherein the permeable layer 10 is sequentially paved with grass-planting bricks 1, a medium-coarse sand layer 2, a porous concrete layer 3, and a graded broken stone cushion layer 4 from top to bottom. The graded broken stone layer 4 is embedded with a permeation transfer pipe 5, one end of the permeation transfer pipe 5 is communicated with a rainwater storage module water tank 6, the bottom and the periphery of the rainwater storage module water tank 6 are wrapped and sealed by waterproof geomembranes 7, the top of the rainwater storage module water tank is wrapped by permeable geotextiles 8, and the permeation transfer pipe 5 is wrapped by the permeable geotextiles 8.

According to the disclosure, the grass planting brick 1 is selected from one or more of a # -shaped lawn brick, a nine-hole lawn brick, a single 8-shaped lawn brick, a double 8-shaped lawn brick and a grid-type lawn brick, the grass planting brick 1 is made of plain concrete, reinforced concrete or HDPE material, and the grass planting brick 1 can be manufactured by adopting modes of factory prefabrication, field pouring and the like; the middle coarse sand layer 2 is a leveling layer, and the grain diameter of the middle coarse sand is 0.35-1.0 mm; the porous concrete 3 is C20 porous concrete; the graded broken stone cushion layer 4 is filled with coarse gravels, medium gravels and fine gravels, the filling ratio of the coarse gravels to the medium gravels to the fine gravels is (7-9): 1 (2-4):1, preferably 8:3:1, the particle size of the coarse gravels is 20mm-40mm, the particle size of the medium gravels is 10mm-20mm, and the particle size of the fine gravels is 2mm-9 mm.

In the specific construction process, the thickness of each layer is strictly controlled, wherein the thickness of the medium coarse sand layer 2 is 20-50 mm; the thickness of the porous concrete layer 3 is 150mm-200 mm; the total thickness of the graded broken stone cushion layer 4 is 500mm-1000 mm.

According to the disclosure, the rainwater storage module pool 6 is composed of a plurality of module monomers which are mutually communicated, the module monomers are made of high-strength polypropylene materials, the volume of the module monomers is (900) mmX (450) 550 mmX (350) 450 mm, and the effective storage water amount is 0.2m³-2m³(ii) a The bottom of rainwater storage module pond 6 has laid basement layer 9, and basement layer 9 thickness is 100mm, and basement layer 9 is C15 concrete.

According to the present disclosure, the permeation and transportation pipe 5 is wrapped with a permeable geotextile 8, and the pipe diameter of the permeation and transportation pipe 5 is 250mm-500 mm; a plurality of water seepage holes 51 are arranged on the side wall of the permeation and transportation pipe; the aperture of the water seepage hole 51 is 2mm-5 mm. The infiltration transfer pipe 5 is a double-wall corrugated perforated pipe or a polyvinyl chloride perforated pipe.

Optionally, the present disclosure further comprises a rainwater utilization facility, which can use the collected rainwater in the rainwater storage module pool for greening irrigation, car washing, road washing or other purposes.

The outdoor parking lot provided by the disclosure changes the conventional mode of rainwater drainage of the existing parking lot, stores rainwater in a designated rainwater storage module water tank in the modes of permeation, transfer and the like, and can use the rainwater stored in the rainwater storage module water tank for greening irrigation, car washing, road washing and other purposes through a rainwater utilization facility; the aspects of rainwater resource utilization, flood reduction and prevention, non-point source pollution reduction and control, ecological environment improvement and the like are realized; the problems of waterlogging, rainfall runoff pollution and water resource shortage of the outdoor parking lot are avoided.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. An outdoor parking lot, characterized in that the parking lot comprises a permeable layer (10), a permeable transfer pipe (5) and a rainwater storage module pool (6); the permeable layer (10) is sequentially paved with grass planting bricks (1), a medium coarse sand layer (2), a porous concrete layer (3) and a graded broken stone cushion layer (4) from top to bottom; the infiltration transfer pipe (5) is embedded in the graded broken stone cushion layer (4) and is communicated with the rainwater storage module pool (6); the bottom and the periphery of the rainwater storage module pool (6) are wrapped with waterproof geomembranes (7), and the top is wrapped with permeable geotextiles (8).

2. Parking apron according to claim 1, characterized in that the grass-planting bricks (1) are selected from at least one of the # -shaped lawn bricks, the nine-hole lawn bricks, the single 8-shaped lawn bricks, the double 8-shaped lawn bricks and the grid-type lawn bricks.

3. Parking apron according to claim 1, characterized in that the medium-coarse sand layer (2) is laid to a thickness of 20-50 mm; the grain diameter of the used medium coarse sand is 0.35mm-1.0 mm.

4. Parking apron according to claim 1, characterized in that the porous concrete layer (3) is a C20 porous concrete layer laid to a thickness of 150-200 mm.

5. Parking apron according to claim 1, characterized in that the graded broken stone pad (4) is filled with coarse, medium and fine gravel; the particle size of the coarse gravel is 20-40 mm, the particle size of the medium gravel is 10-20 mm, and the particle size of the fine gravel is 2-9 mm; the total paving thickness of the graded broken stone cushion is 500mm-1000 mm.

6. Parking apron according to claim 1, characterized in that the infiltration transfer pipe (5) is wrapped with a water-permeable geotextile (8), the pipe diameter of the infiltration transfer pipe (5) being 250-500 mm; the side wall of the permeation and transportation pipe (5) is provided with a water seepage hole; the aperture of the water seepage hole is 2mm-5 mm.

7. Parking apron according to claim 1, characterized in that the rainwater storage module pool (6) consists of interconnected module cells.

8. The parking lot as claimed in claim 7, wherein the module unit has a volume of (900-³-2m³。

9. Parking apron according to claim 1, characterized in that a ground layer (9) is laid on the bottom of the rainwater storage module pool (6), the thickness of the ground layer (9) being 90-110 mm.

10. Parking apron according to claim 9, characterized in that the ground substrate (9) is a layer of C15 concrete.