CN112144346A - Water retention and drainage construction method and system for urban permeable road - Google Patents

Water retention and drainage construction method and system for urban permeable road Download PDF

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Publication number
CN112144346A
CN112144346A CN202011150138.1A CN202011150138A CN112144346A CN 112144346 A CN112144346 A CN 112144346A CN 202011150138 A CN202011150138 A CN 202011150138A CN 112144346 A CN112144346 A CN 112144346A
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China
Prior art keywords
water
permeable
road
layer
water retention
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CN202011150138.1A
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Chinese (zh)
Inventor
柳俊杰
李茜玲
李静
戚立文
朱明锋
马心怡
赵明之
田锐
郑亭
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Suzhou Gold Mantis Green Landscape Ltd Co
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Suzhou Gold Mantis Green Landscape Ltd Co
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Priority to CN202011150138.1A priority Critical patent/CN112144346A/en
Publication of CN112144346A publication Critical patent/CN112144346A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • E01C11/226—Coherent pavings
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401—Gullies for use in roads or pavements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention provides a construction method for water retention and drainage of an urban permeable road, which comprises the following steps: s1 measurement of payoff: s2, paving a waterproof base layer on the roadbed, arranging slopes towards two sides of the center of the waterproof base layer respectively, excavating blind ditches at two sides of the waterproof base layer, and installing a permeable concrete plate between the waterproof base layer and the blind ditches; s3, paving a water-retaining sponge module prefabricated by fly ash, diatomite and wood fiber pervious concrete on an impervious base layer to form a water-absorbing surface layer, and finally paving a pervious surface layer on the water-absorbing surface layer; s4, excavating a plurality of water collecting wells on the blind ditches, and installing permeable pipes on the blind ditches to connect the water collecting wells; S5A gravel layer, a gravel layer and a mud layer are sequentially paved on the water permeable pipe from bottom to top, and vegetation is planted on the mud layer. The invention also provides a water retention and drainage system for the urban permeable road. Compared with the prior art, the invention can realize water drainage and water retention of the road, improve the water drainage capability and avoid water accumulation of the road.

Description

Water retention and drainage construction method and system for urban permeable road
Technical Field
The invention relates to the technical field of permeable roads, in particular to a water retention and drainage construction method and system for an urban permeable road.
Background
The traditional urban road surface is generally made of impervious materials such as asphalt mixture or cement concrete, and the road surface drainage is realized through a road arch cross slope. However, rainwater in the road surface range in rainy days cannot be timely and transversely discharged out of the road surface range, so that water is accumulated on the road surface; the anti-skid property of the road surface is seriously reduced, the vehicle is easy to drift during running, the running safety is influenced, and traffic accidents are easy to happen. In addition, the original hydrological ecological environment of a city is changed by paving the impervious pavement, the pressure of a city drainage system is increased, and urban waterlogging is easily caused under the condition of rainstorm.
At present, in the current society advocating vigorously the 'sponge city', it is very important to give full play to the role of municipal roads in the sponge city, so that various permeable pavements emerge endlessly. However, the permeable pavement can not store enough water for long-time evaporation and cooling, and the heat island effect of the city is not relieved; when heavy rainstorm occurs, the water drainage capability of the permeable pavement is insufficient, and the pavement still forms accumulated water to influence the driving safety.
Disclosure of Invention
In view of the above, the invention provides a water-retaining and draining construction method and system for a permeable road in a city, which can improve the water-retaining capacity of the permeable road, avoid water accumulation on the road, promote the circulation of a natural hydrological system in the city and achieve the effect of relieving the heat island effect of the city while achieving water-retaining and draining of the road compared with the prior art.
Therefore, on one hand, the invention provides a construction method for water retention and drainage of an urban permeable road, which comprises the following steps:
s1 measurement of payoff: marking the position on a construction site according to a design drawing, and adopting an excavator and manually excavating a roadbed;
s2, paving a waterproof base layer on the roadbed, arranging slopes towards two sides of the center of the waterproof base layer respectively, excavating blind ditches at two sides of the waterproof base layer, and installing a permeable concrete plate between the waterproof base layer and the blind ditches;
s3, paving a water-retaining sponge module prefabricated by fly ash, diatomite and wood fiber pervious concrete on an impervious base layer to form a water-absorbing surface layer, and finally paving a pervious surface layer on the water-absorbing surface layer;
s4, excavating a plurality of water collecting wells on the blind ditches, and installing permeable pipes on the blind ditches to connect the water collecting wells;
S5A gravel layer, a gravel layer and a mud layer are sequentially paved on the water permeable pipe from bottom to top, and vegetation is planted on the mud layer.
On the other hand, the invention provides a water-retaining and draining system for urban permeable roads, which comprises a road main body and blind ditches, wherein the blind ditches are respectively arranged on two sides of the road main body, the road main body comprises a permeable surface layer, a water-absorbing surface layer and a waterproof base layer which are sequentially arranged from top to bottom, the waterproof base layer is paved on the ground, the water-absorbing surface layer is composed of a plurality of water-retaining sponge modules, the upper surface and the lower surface of each water-retaining sponge module are respectively provided with a serrated surface, one side of each water-retaining sponge module is provided with a clamping part, the other side of each water-retaining sponge module is provided with a clamping groove matched with the clamping part, the center of the waterproof base layer is respectively provided with slopes towards.
Further, the water-retaining sponge body module is formed by mixing permeable concrete mud, coal ash, diatomite and wood fiber.
Further, be provided with between above-mentioned road main part and the french drain and permeate water and mix earth board, permeate water and mix earth board and set up along the length direction of road main part.
Further, a plurality of transverse steel bars and a plurality of vertical steel bars are arranged in the permeable concrete slab, and the plurality of transverse steel bars and the plurality of vertical steel bars are welded to form a permeable concrete slab frame.
Furthermore, a permeable pipe is arranged in the blind ditch.
Furthermore, a gravel layer and a soil layer are sequentially paved on the permeable pipe from bottom to top.
Furthermore, the clamping portion comprises a first clamping plate, second clamping plates are arranged on two sides of the first clamping plate respectively, and the second clamping plates are perpendicularly connected to the first clamping plate.
Furthermore, the first clamping plate and the two second clamping plates form a cross-shaped structure.
Furthermore, a plurality of water collecting wells are arranged on the blind ditches.
The invention provides a water retention and drainage system for an urban permeable road, which comprises the steps of paving a waterproof base layer on the ground, wherein the waterproof base layer is provided with a cross slope, sequentially assembling and paving prefabricated water retention sponge modules on the waterproof base layer, and finally paving a permeable base layer; the water-retaining capability of the road is improved by arranging the prefabricated water-retaining sponge body module in the road main body, wherein water is slowly evaporated along with temperature, so that the 'heat island effect' of a city can be relieved, and the internally filled peat ash has a porous structure and can be used as an absorbent to absorb heavy metals dissolved in rainwater; the wood fiber is obtained by crushing, preventing corrosion and recycling garden waste, and belongs to changing waste into valuable; the diatomite has good water absorption and evaporation performance and is economical and durable; after the water-retaining sponge body module absorbs water and is saturated, rainwater is quickly gathered into the blind ditch through the cross slope on the waterproof base layer, so that the urban road can quickly drain water when encountering heavy rain, and the friction force can be improved through the sawtooth surface, so that the stability of the road can be improved; one side of protecting water cavernosum module is provided with joint portion, and the opposite side of protecting water cavernosum module is provided with the draw-in groove that matches joint portion, can be convenient for install, improves the efficiency of construction.
Therefore, compared with the prior art, the water retention and drainage construction method and the water retention and drainage construction system for the urban permeable roads can realize that the urban roads have good elasticity in the aspects of adapting to environmental change, coping with natural disasters and the like sponges, absorb, store, seep and purify water during rain, release and utilize the stored water when needed, and can greatly relieve the heat island effect. Meanwhile, the drainage performance is high, and the rapid drainage of the road base is realized.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a water retention and drainage system for an urban permeable road according to an embodiment of the present invention;
FIG. 2 is a perspective view of a water retention and drainage system for a permeable road in an urban area according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a water retention sponge module in the water retention and drainage system of the urban permeable road according to the embodiment of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1.
Wherein, 1-road body; 11-a water permeable surface layer; 12-a water-absorbing surface layer; 121-water-retaining sponge module; 1211-a card connecting part; 12111-first snap plate; 12112-second snap plate; 1212-card slot; 13-a water impermeable base layer; 2-blind drain; 21-a water permeable pipe; 22-a gravel layer; 23-a crushed stone layer; 24-a mud layer; 3-the ground; 4-permeable concrete slab; 41-transverse steel bars; 42-vertical steel bars; and 5, a water collecting well.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 4, a water retention and drainage construction method for an urban permeable road according to an embodiment of the present invention is shown in the drawings, and includes the following steps:
s1: and (3) measurement and paying-off: marking the position on a construction site according to a design drawing, and adopting an excavator and manually excavating a roadbed;
s2: paving a waterproof base layer 13 on a roadbed, respectively arranging slopes towards two sides in the center of the waterproof base layer 13, excavating blind ditches 2 on two sides of the waterproof base layer 13, and installing a permeable concrete plate 4 between the waterproof base layer 13 and the blind ditches 2;
s3: paving a water-retaining sponge body module prefabricated by fly ash, diatomite and wood fiber pervious concrete on the impervious base layer 13 to form a water-absorbing surface layer, and finally paving a pervious surface layer 11 on the water-absorbing surface layer;
s4: a plurality of water collecting wells 5 are excavated on the blind ditches 2, and water permeable pipes are arranged on the blind ditches 2 to connect the water collecting wells 5;
s5: a gravel layer 22, a gravel layer 23 and a muddy soil layer 24 are laid on the permeable pipe 21 in sequence from bottom to top, and vegetation is planted on the muddy soil layer.
On the other hand, the water retention and drainage system for the urban permeable road mainly comprises a road main body 1 and blind ditches 2, the blind ditches 2 are arranged on two sides of the road main body 1 respectively, the road main body 1 comprises a permeable surface layer 11, a water absorbing surface layer 12 and a waterproof base layer 13 which are sequentially arranged from top to bottom, the waterproof base layer 13 is paved on the ground 3, the water absorbing surface layer 12 is composed of a plurality of water retention sponge body modules 121, the upper surface and the lower surface of each water retention sponge body module 121 are respectively provided with a sawtooth surface, one side of each water retention sponge body module 121 is provided with a clamping part 1211, the other side of each water retention sponge body module 121 is provided with a clamping groove 1212 matched with the clamping part 1211, the center of each waterproof base layer 13 is respectively provided with slopes towards two sides, and the top of each blind ditch 2 is lower.
Specifically, referring to fig. 1 to 4, a water permeable pipe 21 is arranged in the blind ditch 2. The drainage effect can be improved.
Specifically, referring to fig. 1 to 4, a gravel layer 22, a gravel layer 23 and a soil layer 24 are sequentially laid on the water permeable pipe 21 from bottom to top. Can purify rainwater and prevent sundries from blocking blind ditches.
Specifically, referring to fig. 1 to 4, a plurality of water collecting wells 5 are arranged on the blind ditch 2. Can store rainwater and pump out and supplement underground water in drought.
The embodiment provides a water retention and drainage system for an urban permeable road, which comprises the following steps of paving a waterproof base layer on the ground, arranging a cross slope on the waterproof base layer, sequentially assembling and paving prefabricated water retention sponge modules on the waterproof base layer, and finally paving a permeable base layer; the water-retaining capability of the road is improved by arranging the prefabricated water-retaining sponge body module in the road main body, wherein water is slowly evaporated along with temperature, so that the 'heat island effect' of a city can be relieved, and the internally filled peat ash has a porous structure and can be used as an absorbent to absorb heavy metals dissolved in rainwater; the wood fiber is obtained by crushing, preventing corrosion and recycling garden waste, and belongs to changing waste into valuable; the diatomite has good water absorption and evaporation performance and is economical and durable; after the water-retaining sponge body module absorbs water and is saturated, rainwater is quickly gathered into the blind ditch through the cross slope on the waterproof base layer, so that the urban road can quickly drain water when encountering heavy rain, and the friction force can be improved through the sawtooth surface, so that the stability of the road can be improved; one side of protecting water cavernosum module is provided with joint portion, and the opposite side of protecting water cavernosum module is provided with the draw-in groove that matches joint portion, can be convenient for install, improves the efficiency of construction.
Therefore, the embodiment provides a water retention and drainage construction method and system for an urban permeable road, compared with the prior art, the construction method and system can realize that the urban road has good elasticity in the aspects of adapting to environmental change, coping with natural disasters and the like a sponge, absorb, store, seep and purify water during rain, release and utilize the stored water when needed, and can greatly relieve the heat island effect. Meanwhile, the drainage performance is high, and the rapid drainage of the road base is realized.
Example two:
referring to fig. 1 to 4, a water retention and drainage system for an urban permeable road according to a second embodiment of the present invention is shown in the drawings, and on the basis of the above embodiment, the present embodiment further adopts the following technical solutions as improvements: the water-retaining sponge body module 121 is formed by mixing permeable concrete mud, coal ash, diatomite and wood fiber. Through the setting of above-mentioned structure, the cavernosum module 121 that keeps water mixes by concrete mud, coal ash, diatomaceous earth and wood fibre four and prefabricates into the modular block by permeating water, can improve the efficiency of construction, and coal ash, diatomaceous earth and wood fibre are porous water absorption and water retention material simultaneously, absorb water, retaining, infiltration, water purification when raining, with the water "release" of saving and utilize when needing, can alleviate "heat island effect" greatly.
Example three:
referring to fig. 1 to 4, a water retention and drainage system for a permeable road in a city according to a third embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the clamping portion 1211 includes a first clamping plate 12111, second clamping plates 12112 are respectively disposed on two sides of the first clamping plate 12111, the second clamping plates 12112 are vertically connected to the first clamping plate 12111, and the first clamping plate 12111 and the two second clamping plates 12112 form a cross structure. Through the setting of above-mentioned structure, can realize the quick installation between the sponge module of moisturizing, improve the installation effectiveness, first joint board 12111 and two second joint boards 12112 constitute cruciform structure, can prevent to keep slipping between the sponge module of moisturizing, improve the stability of connecting between the sponge module of moisturizing.
Example four:
referring to fig. 1 to 4, a water retention and drainage system for an urban permeable road according to a fourth embodiment of the present invention is shown in the drawings, and on the basis of the foregoing embodiment, the following technical solutions are further made as improvements in this embodiment: be provided with between road main part 1 and the french drain 2 and permeate water and mix earth board 4, permeate water and mix earth board 4 and set up along road main part 1's length direction, permeate water and be provided with a plurality of horizontal reinforcement 41 and a plurality of perpendicular reinforcing bar 42 in the earth board 4 that mixes, a plurality of horizontal reinforcement 41 and a plurality of perpendicular reinforcing bar 42 welding constitution are permeated water and are mixed earth plate frame. Through the arrangement of the structure, when the rain storm occurs, the water-retaining sponge body module absorbs water and is saturated, and rainwater can be converged into blind ditches on two sides of a road and is rapidly drained away.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The water retention and drainage construction method for the urban permeable road is characterized by comprising the following steps of:
s1: and (3) measurement and paying-off: marking the position on a construction site according to a design drawing, and adopting an excavator and manually excavating a roadbed;
s2: paving a waterproof base layer (13) on a roadbed, respectively arranging slopes towards two sides in the center of the waterproof base layer (13), excavating blind ditches (2) at two sides of the waterproof base layer (13), and installing a permeable concrete plate (4) between the waterproof base layer (13) and the blind ditches (2);
s3: paving a water-retaining sponge body module prefabricated by fly ash, diatomite and wood fiber pervious concrete on the impervious base layer (13) to form a water-absorbing surface layer, and finally paving a pervious surface layer (11) on the water-absorbing surface layer;
s4: a plurality of water collecting wells (5) are excavated on the blind ditches (2), and water permeable pipes are arranged on the blind ditches (2) to connect the water collecting wells (5);
s5: a gravel layer (22), a gravel layer (23) and a mud layer (24) are sequentially paved on the permeable pipe (21) from bottom to top, and vegetation is planted on the mud layer.
2. The urban permeable road water retention and drainage system is characterized by comprising a road main body (1) and a blind ditch (2), wherein the blind ditch (2) is respectively arranged on two sides of the road main body (1), the road main body (1) comprises a permeable surface layer (11), a water-absorbing surface layer (12) and a waterproof base layer (13) which are sequentially arranged from top to bottom, the waterproof base layer (13) is paved on the ground (3), the water-absorbing surface layer (12) is composed of a plurality of water retention sponge body modules (121), the upper surface and the lower surface of each water retention sponge body module (121) are respectively provided with a sawtooth surface, one side of each water retention sponge body module (121) is provided with a clamping part (1211), the other side of each water retention sponge body module (121) is provided with a clamping groove (1212) matched with the clamping part (1211), the center of the waterproof base layer (13) is respectively provided with slopes towards two sides, the top of the blind ditch (2) is lower than the impermeable base layer (13).
3. The urban permeable road water retention and drainage system according to claim 2, characterized in that the water retention sponge module (121) is formed by mixing permeable concrete mud, coal ash, diatomite and wood fiber.
4. The city permeable road water retention and drainage system according to claim 2, characterized in that a permeable concrete slab (4) is arranged between the road body (1) and the blind ditch (2), and the permeable concrete slab (4) is arranged along the length direction of the road body (1).
5. The urban permeable road water retention and drainage system according to claim 4, characterized in that a plurality of transverse steel bars (41) and a plurality of vertical steel bars (42) are arranged in the permeable concrete slab (4), and the plurality of transverse steel bars (41) and the plurality of vertical steel bars (42) are welded to form a permeable concrete slab frame.
6. The urban permeable road water retention and drainage system according to claim 2, characterized in that a permeable pipe (21) is arranged in the blind ditch (2).
7. The urban permeable road water retention and drainage system according to claim 6, characterized in that the permeable pipe (21) is sequentially paved with a gravel layer (22), a gravel layer (23) and a soil layer (24) from bottom to top.
8. The urban permeable road water retention and drainage system according to claim 2, wherein the clamping portion (1211) comprises a first clamping plate (12111), and second clamping plates (12112) are respectively arranged on two sides of the first clamping plate (12111), and the second clamping plates (12112) are vertically connected to the first clamping plate (12111).
9. The urban permeable road water retention and drainage system according to claim 8, characterized in that said first snap plate (12111) and said second snap plates (12112) form a cruciform structure.
10. The urban permeable road water retention and drainage system according to claim 2, characterized in that a plurality of water collection wells (5) are arranged on the blind ditch (2).
CN202011150138.1A 2020-10-23 2020-10-23 Water retention and drainage construction method and system for urban permeable road Pending CN112144346A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011150138.1A CN112144346A (en) 2020-10-23 2020-10-23 Water retention and drainage construction method and system for urban permeable road

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011150138.1A CN112144346A (en) 2020-10-23 2020-10-23 Water retention and drainage construction method and system for urban permeable road

Publications (1)

Publication Number Publication Date
CN112144346A true CN112144346A (en) 2020-12-29

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Application Number Title Priority Date Filing Date
CN202011150138.1A Pending CN112144346A (en) 2020-10-23 2020-10-23 Water retention and drainage construction method and system for urban permeable road

Country Status (1)

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CN (1) CN112144346A (en)

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