CN108867243A - A kind of area of heavy rainfull peripheral path ponding collects exhaust system and construction method - Google Patents
A kind of area of heavy rainfull peripheral path ponding collects exhaust system and construction method Download PDFInfo
- Publication number
- CN108867243A CN108867243A CN201810888332.6A CN201810888332A CN108867243A CN 108867243 A CN108867243 A CN 108867243A CN 201810888332 A CN201810888332 A CN 201810888332A CN 108867243 A CN108867243 A CN 108867243A
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- Prior art keywords
- pavement
- rain
- pervious concrete
- exhaust system
- collection well
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
-
- 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
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
-
- 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
-
- 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
- E03F5/06—Gully gratings
-
- 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
- E01C2201/00—Paving elements
- E01C2201/20—Drainage details
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of area of heavy rainfull peripheral path ponding to collect exhaust system and its construction method, belong to technical field of road engineering, it includes environmental grass planting ditch rain water collecting system and pavement rainwater-collecting exhaust system that the area of heavy rainfull peripheral path ponding, which collects exhaust system, sand gravel filter layer and grass planting ditch perforated pipe are set by rainwater-collecting into rain collection well by environmental grass planting ditch rain water collecting system, then enters inlet for stom water from the rain water channel of interlayer and emits.Pavement road surface drainage rates can not only be effectively improved using the present invention, and material technology it is simple, it is easy for construction, save the artificial and duration, be economic and environment-friendly, meet sponge the idea of the city, be worthy of popularization.
Description
Technical field
The invention belongs to technical field of road engineering, be related to a kind of area of heavy rainfull peripheral path ponding collect exhaust system and
Construction method.
Background technique
In the rainy provinces and regions of south China, such as Jiangxi, Hunan, during highway engineering construction, because the long-term Pluvial influences,
Highway engineering construction quality is particularly important, and after road molding, road surface drainage problem influences the use function of road, if road surface water is not
Road surface, road structure are penetrated into discharge in time, will directly reduce road quality and service life, and conventional pavement road surface is arranged
Water drains into main stem gutter inlet by longitudinal and transverse slope, will be unable to meet functional requirements when amount of rainfall is excessive, often occur
Phenomena such as road inland river, waterlogging, large area ponding, and then damage roadbed and pavement quality.Therefore, needing one kind can effectively meet
Area of heavy rainfull road ponding collects exhaust system to solve the problems, such as.
Summary of the invention
There are problems that area of heavy rainfull road ponding effectively cannot collect and discharge in above-mentioned background technique, the present invention
A kind of area of heavy rainfull peripheral path ponding is provided and collects exhaust system and construction method, pavement road surface row can not only be effectively improved
Water speed rate, and material technology it is simple, it is easy for construction, save the artificial and duration, be economic and environment-friendly, meet sponge the idea of the city, be worth
It must promote and apply.
The technical solution that the present invention solves technical problem is as follows：
A kind of area of heavy rainfull peripheral path ponding of the present invention collects exhaust system, and the road side is road structure layer,
The other side is pavement, and centre is separated by kerbstone, and the pavement includes pavement roadbed, and its feature is that it includes
Environmental grass planting ditch rain water collecting system and pavement rainwater-collecting exhaust system；The ecotype grass planting ditch rainwater-collecting system
System is arranged in pavement side comprising by the several of a lateral edge link length direction of kerbstone setting in the roadbed of pavement
Rain collection well；Prefabricated pervious concrete cover board is provided at the top of the rain collection well, two sides are provided with sand gravel filtering
Layer；Grass planting ditch perforated pipe is provided in the sand gravel filter layer, which is connected with rain collection well；It is described
Pervious concrete base is provided with above the roadbed of pavement；It is provided with above the sand gravel filter layer and pervious concrete base
Water-permeable brick；The pavement rainwater-collecting exhaust system comprising respectively in the road structure layer of kerbstone two sides and pavement
Along several inlets for stom water and rain collection well of the corresponding setting in link length direction in roadbed, per corresponding inlet for stom water and rainwater
It collects well to separate by setting interlayer below kerbstone, is provided with rain water channel on the interlayer；The top of the inlet for stom water is arranged
Rainy leaf grating for down pipe；Prefabricated pervious concrete cover board is provided at the top of the rainwater sump, the prefabricated pervious concrete cover board
On be provided with dank material；Pervious concrete base is provided with above the pavement roadbed；The pervious concrete base
Top is provided with water-permeable brick；Wherein, the rain collection well and pavement rainwater collection of the environmental grass planting ditch rain water collecting system
The rain collection well for collecting exhaust system shares.
Prefabricated pervious concrete as the further improvement of technical solution, in the pavement rainwater-collecting exhaust system
Cover board is identical with the elevation of top of pervious concrete base.
As the further improvement of technical solution, sand gravel filter layer in the ecotype grass planting ditch rain water collecting system,
Pervious concrete base is identical with the elevation of top of prefabricated pervious concrete cover board.
The present invention solve technical problem another technical solution be：
Area of heavy rainfull peripheral path ponding described in a kind of above-mentioned technical proposal collects the construction method of exhaust system, includes
Following steps：
Step 1: treating construction section according to design drawing measures setting-out, determine the rain collection well on pavement with
And in road structure layer inlet for stom water position；
Step 2: the position determined in step 1 lays rain collection well and carries out applying for inlet for stom water simultaneously
Work；
It constructs Step 3: carrying out pavement roadbed, after the completion, lays grass planting ditch perforated pipe along kerbstone side and wrap
It wraps up in sand gravel and forms sand gravel filter layer；
Step 4: the prefabricated pervious concrete cover board in the top cover of each rain collection well, on the top of each inlet for stom water
Portion covers rain perforaled strainer；
Step 5: carrying out the construction of pervious concrete base on the roadbed of pavement；
Step 6: carrying out the construction of water-permeable brick.
As the further improvement of technical solution, setting-out is measured using total station or GPS in the step 1.
Compared with prior art, the present invention has the following advantages that：1. using environmental grass planting ditch (sand gravel filter layer and plant
Careless ditch perforated pipe) it is used for pavement rainwater-collecting exhaust system, it can effectively solve the more or big regional road drainage of rainwater；2. edge
Kerbstone side lay environmental grass planting ditch and seeped water with sand gravel, save pervious concrete material, while saving artificial
And cost；3. not only implementing the sponge the idea of the city of country's implementation using environmental grass planting ditch, and it is conducive to environmental protection, is convenient for road matter
Amount control, safety construction management.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and specific embodiments：
Fig. 1 is rainwater-collecting exhaust system schematic cross-sectional view in pavement of the present invention；
Fig. 2 is environmental grass planting ditch rain water collecting system schematic cross-sectional view of the present invention；
Fig. 3 is environmental grass planting ditch rain water collecting system schematic longitudinal section of the present invention；
In figure：1, road structure layer；2, inlet for stom water；3, rain perforaled strainer；4, kerbstone；5, prefabricated pervious concrete cover board；
6, water-permeable brick；7, pervious concrete base；8, permeable material；9, sand gravel filter layer；10, grass planting ditch perforated pipe；11, rainwater
Collect well；12, rainwater through-hole；13, pavement；14, pavement roadbed；15, interlayer.
Specific embodiment
Embodiment 1：
As shown in Figure 1 to Figure 3, a kind of area of heavy rainfull peripheral path ponding of the present invention collects exhaust system, the road one
Side is road structure layer 1, and the other side is pavement 13, and centre is separated by kerbstone 4, and the pavement 13 includes Route for pedestrians
Base 14, the present invention include environmental grass planting ditch rain water collecting system and pavement rainwater-collecting exhaust system；The environmental plant
Careless ditch rain water collecting system is arranged in 13 side of pavement comprising a lateral edge road of kerbstone 4 is leaned in pavement roadbed 14
Several rain collection wells 11 of length direction setting；Prefabricated pervious concrete cover board 5 is provided at the top of the rain collection well 11,
Its two sides is provided with sand gravel filter layer 9；Grass planting ditch perforated pipe 10 is provided in the sand gravel filter layer 9, which wears
Hole pipe 10 is connected with rain collection well 11；Pervious concrete base 7 is provided with above the pavement roadbed 14；The gravel
It is provided with water-permeable brick 6 above stone filter layer 9 and pervious concrete base 7, the water-permeable brick 6 close to 4 side of kerbstone is long along road
Green plant can be set in degree direction, i.e. green plant can be set in 9 region of sand gravel filter layer, is conducive to environmental protection；The pavement rainwater collection
Collection exhaust system includes respectively in the road structure layer of 4 two sides of kerbstone and in pavement roadbed 14 along link length direction phase
Several inlets for stom water 2 and rain collection well 11 being correspondingly arranged, per corresponding inlet for stom water 2 and rain collection well 11 passes through kerbstone
4 lower section setting interlayers 15 separate, and are provided with rain water channel 12 on the interlayer 15；The top of the inlet for stom water 2 is provided with rainwater grid
Son 3, the inlet for stom water 2 are used to for ponding being discharged by pipeline；The top of the rainwater sump 11 is provided with prefabricated permeable coagulation
Earth mulch plate 5 is provided with dank material 8 on the prefabricated pervious concrete cover board 5；It is provided with above the pavement roadbed 14
Water coagulation soil matrix layer 7；Water-permeable brick 6 is provided with above the pervious concrete base 7；Wherein, the environmental grass planting ditch rainwater
The rain collection well 11 of collection system and the rain collection well 11 of pavement rainwater-collecting exhaust system share.
In application, rainwater enters sand gravel filter layer 9 through water-permeable brick 6, pervious concrete base 7, sand is then entered back into
Grass planting ditch perforated pipe 10 in gravel packing 9, then rain collection well 11 is entered by the outlet of grass planting ditch perforated pipe 10, work as rain
When ponding height in water collection well 11 reaches the height of rain water channel 12 on interlayer 15, into the inlet for stom water 2 in main line road road,
Finally discharged from inlet for stom water 2.
In the present embodiment, prefabricated pervious concrete cover board 5 in the pavement rainwater-collecting exhaust system and permeable mixed
The elevation of top of solidifying soil matrix layer 7 is identical.
In the present embodiment, sand gravel filter layer 9, pervious concrete base in the ecotype grass planting ditch rain water collecting system
7 is identical with the elevation of top of prefabricated pervious concrete cover board 5.
Embodiment 2：
Area of heavy rainfull peripheral path ponding described in a kind of embodiment 1 collects the construction method of exhaust system, comprising such as
Lower step：
Step 1: treating construction section according to design drawing measures setting-out by total station or GPS, pavement is determined
The position of inlet for stom water 2 in 13 rain collection well 11 and road structure layer 1；
Step 2: the position determined in step 1 lays rain collection well 11 and carries out inlet for stom water 2 simultaneously
Construction；
It constructs Step 3: carrying out pavement roadbed 14, after the completion, lays grass planting ditch perforated pipe along 4 side of kerbstone
10 and wrap up sand gravel formed sand gravel filter layer 9；
Step 4: the prefabricated pervious concrete cover board 5 in the top cover of each rain collection well 11, in each inlet for stom water 2
Top cover on rain perforaled strainer 3；
Step 5: carrying out the construction of pervious concrete base 7 on pavement roadbed 14；
Step 6: carrying out the construction of water-permeable brick 6.
The present invention, close to the side of main line, lays environmental grass planting ditch along kerbstone, not only just according to conventional pavement
In construction, and cost is relatively low, is conducive to ecological, environmental protective, can preferably collect rainwater, can be widely applied to road engineering, especially more
Rain area reduces construction cost on the basis of improving rainwater on road surface emission performance, ensures that construction quality, achievement carry out extensive
Promotion and application.
The foregoing is merely a prefered embodiment of the invention, but scope of protection of the present invention is not limited thereto, any to be familiar with sheet
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, the scope of protection of the present invention shall be subject to the scope of protection defined by the claims.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.
Claims (5)
1. a kind of area of heavy rainfull peripheral path ponding collects exhaust system, the road side is road structure layer (1), the other side
For pavement (13), centre is separated by kerbstone (4), and the pavement (13) includes pavement roadbed (14), characterized in that
It includes：
Environmental grass planting ditch rain water collecting system is arranged in pavement (13) side comprising pavement roadbed (14) road Nei Kao
Several rain collection wells (11) of the lateral edge link length direction setting of kerb (4)；It is set at the top of the rain collection well (11)
It is equipped with prefabricated pervious concrete cover board (5), two sides are provided with sand gravel filter layer (9)；It is set in the sand gravel filter layer (9)
It is equipped with grass planting ditch perforated pipe (10), which is connected with rain collection well (11)；The pavement roadbed
(14) top is provided with pervious concrete base (7)；It is set above the sand gravel filter layer (9) and pervious concrete base (7)
It is equipped with water-permeable brick (6)；And
Pavement rainwater-collecting exhaust system comprising respectively kerbstone (4) two sides road structure layer in and Route for pedestrians
Along several inlets for stom water (2) and rain collection well (11) of the corresponding setting in link length direction in base (14), per corresponding rain
The mouth of a river (2) and rain collection well (11) are separated by setting interlayer (15) below kerbstone (4), are arranged on the interlayer (15) rainy
Aquaporin (12)；Rain perforaled strainer (3) are provided at the top of the inlet for stom water (2)；The top of the rainwater sump (11) is arranged
There is prefabricated pervious concrete cover board (5), is provided with dank material (8) on the prefabricated pervious concrete cover board (5)；People's row
Pervious concrete base (7) are provided with above Road Base (14)；Water-permeable brick is provided with above the pervious concrete base (7)
(6)；
Wherein, the rain collection well (11) and pavement rainwater-collecting exhaust system of the environmental grass planting ditch rain water collecting system
Rain collection well (11) share.
2. a kind of area of heavy rainfull peripheral path ponding according to claim 1 collects exhaust system, the pavement rainwater
The prefabricated pervious concrete cover board (5) collected in exhaust system is identical with the elevation of top of pervious concrete base (7).
3. a kind of area of heavy rainfull peripheral path ponding according to claim 1 collects exhaust system, characterized in that the life
Sand gravel filter layer (9), pervious concrete base (7) and prefabricated pervious concrete cover board in state type grass planting ditch rain water collecting system
(5) elevation of top is identical.
4. a kind of peripheral path ponding in area of heavy rainfull described in any of the above embodiments collects the construction method of exhaust system, feature
It is to comprise the following steps：
Step 1: treating construction section according to design drawing measures setting-out, the rain collection well of pavement (13) is determined
(11) position of inlet for stom water (2) and in road structure layer (1)；
Step 2: the position determined in step 1 lays rain collection well (11) and while carrying out inlet for stom water (2)
Construction；
It constructs Step 3: carrying out pavement roadbed (14), after the completion, lays grass planting ditch perforated pipe along kerbstone (4) side
(10) and sand gravel formation sand gravel filter layer (9) is wrapped up；
Step 4: the prefabricated pervious concrete cover board (5) in the top cover of each rain collection well (11), in each inlet for stom water
(2) rain perforaled strainer (3) in top cover；
Step 5: carrying out the construction of pervious concrete base (7) on pavement roadbed (14)；
Step 6: carrying out the construction of water-permeable brick (6).
5. a kind of area of heavy rainfull peripheral path ponding according to claim 4 collects the construction method of exhaust system, special
Sign is to measure setting-out using total station or GPS in the step 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810888332.6A CN108867243A (en) | 2018-08-07 | 2018-08-07 | A kind of area of heavy rainfull peripheral path ponding collects exhaust system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810888332.6A CN108867243A (en) | 2018-08-07 | 2018-08-07 | A kind of area of heavy rainfull peripheral path ponding collects exhaust system and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867243A true CN108867243A (en) | 2018-11-23 |
Family
ID=64307780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810888332.6A Pending CN108867243A (en) | 2018-08-07 | 2018-08-07 | A kind of area of heavy rainfull peripheral path ponding collects exhaust system and construction method |
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| Country | Link |
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| CN (1) | CN108867243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851200A (en) * | 2019-04-24 | 2020-10-30 | 李智聪 | Method for solving gradual drainage of accumulated water in low-lying land at two sides of road after rain |
| CN115418908A (en) * | 2022-08-29 | 2022-12-02 | 中国一冶集团有限公司 | Sponge seepage and drainage system for sidewalk and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103905A (en) * | 2011-11-11 | 2013-05-15 | 上海市政工程设计研究总院（集团）有限公司 | Road pavement draining method and drainage structure system |
| CN105544417A (en) * | 2016-02-23 | 2016-05-04 | 南开大学 | Method for enabling pavements to have strong rainwater storage capacity and reducing rainwater loss |
| CN107366209A (en) * | 2017-07-27 | 2017-11-21 | 中冶建工集团有限公司 | A kind of walkway system |
| CN107386053A (en) * | 2017-07-27 | 2017-11-24 | 中冶建工集团有限公司 | A kind of construction method on pavement |
| CN207143645U (en) * | 2017-09-04 | 2018-03-27 | 福建农林大学 | A kind of urban road structure based on sponge the idea of the city |
| CN207484213U (en) * | 2017-11-08 | 2018-06-12 | 俞小祥 | Urban road sewerage |
-
2018
- 2018-08-07 CN CN201810888332.6A patent/CN108867243A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103905A (en) * | 2011-11-11 | 2013-05-15 | 上海市政工程设计研究总院（集团）有限公司 | Road pavement draining method and drainage structure system |
| CN105544417A (en) * | 2016-02-23 | 2016-05-04 | 南开大学 | Method for enabling pavements to have strong rainwater storage capacity and reducing rainwater loss |
| CN107366209A (en) * | 2017-07-27 | 2017-11-21 | 中冶建工集团有限公司 | A kind of walkway system |
| CN107386053A (en) * | 2017-07-27 | 2017-11-24 | 中冶建工集团有限公司 | A kind of construction method on pavement |
| CN207143645U (en) * | 2017-09-04 | 2018-03-27 | 福建农林大学 | A kind of urban road structure based on sponge the idea of the city |
| CN207484213U (en) * | 2017-11-08 | 2018-06-12 | 俞小祥 | Urban road sewerage |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851200A (en) * | 2019-04-24 | 2020-10-30 | 李智聪 | Method for solving gradual drainage of accumulated water in low-lying land at two sides of road after rain |
| CN115418908A (en) * | 2022-08-29 | 2022-12-02 | 中国一冶集团有限公司 | Sponge seepage and drainage system for sidewalk and construction method |
| CN115418908B (en) * | 2022-08-29 | 2023-08-25 | 中国一冶集团有限公司 | Pavement sponge seepage and drainage system and construction method |
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Application publication date: 20181123 |