CN105970764B - A kind of laying method of drainage pavement - Google Patents

A kind of laying method of drainage pavement Download PDF

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Publication number
CN105970764B
CN105970764B CN201610374705.9A CN201610374705A CN105970764B CN 105970764 B CN105970764 B CN 105970764B CN 201610374705 A CN201610374705 A CN 201610374705A CN 105970764 B CN105970764 B CN 105970764B
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CN
China
Prior art keywords
road
greenbelt
laid
press strip
roadbed
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CN201610374705.9A
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Chinese (zh)
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CN105970764A (en
Inventor
曹建新
宁平华
伊颖锋
熊勇
黎军
彭功勋
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广州市市政工程设计研究总院
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Priority to CN201610374705.9A priority Critical patent/CN105970764B/en
Publication of CN105970764A publication Critical patent/CN105970764A/en
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Publication of CN105970764B publication Critical patent/CN105970764B/en

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G2/00Vegetative propagation
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention discloses a kind of laying method of drainage pavement, comprise the following steps:The car lane side soil body is excavated to roadbed bottom elevation line, is laid with drainage pipeline;Waterproof geotextiles are laid with by greenbelt side, the bottom fold of waterproof geotextiles is pressed under roadbed;It is laid with roadbed and basic unit to designed elevation and forms roadbed, lays the receipts water pipe of access drainage pipeline;By waterproof geotextiles top fold to roadbed top surface, the first press strip is laid with along shoulder, the bottom of the first press strip is concordant with the top of basic unit;It is laid with road surface structare layer and forms road surface, road surface has to the inclined horizontal slope in greenbelt side, the top of the first press strip and the either flush on road surface, builds and receives the mouth of a river;Greenbelt bankets, and plants trees, grass planting, and greenbelt section is " U "-shaped, and the greenbelt center line absolute altitude is less than grade elevation, and road surface connects with the border of greenbelt according to the smooth-going of natural cambered surface.

Description

A kind of laying method of drainage pavement
Technical field
The present invention is used for municipal road construction technical field, more particularly to a kind of laying method of drainage pavement.
Background technology
The rainwater on town road surface is mainly drained by receiving the mouth of a river into municipal storm sewer at present.Receive the mouth of a river and be located at road By the kerbstone of road both sides, it is divided into and puts down into two kinds of formula and side entering type, road horizontal slope(Horizontal slope including driveway and pavement)Side The mouth of a river is received to direction in order to receive water.The heavy rain period in city, because of road drainage port water collection efficiency or drainage pipeline water flowing section It is limited, " water logging street " phenomenon often occurs, thus triggers traffic accident or causes the facilities such as basement, house to be made by water submerged Into casualties and property loss, let us has to introspect, and whether current town road drainage pattern is relatively single.With this Meanwhile because of the continuous lifting of City surface hardening ratio, underground water cannot be supplemented effectively in city, many Urban Underground water levels by Year declines, and on the one hand influences the urban ecological environments such as wetland holding, plant growth, on the other hand also results in soil layer effective stress Increase, causes surface subsidence.Therefore, how to improve milliosmolarity under surface water, the underground water for supplementing city be worth people concern and Thinking.
To accelerate the excretion of urban road road table water, current common technical measures are mainly that road pavement structure is changed Make, that is, the pavement structure of porous is set, allows Shui You roads table to penetrate among pavement structure rapidly, or penetrate down into road Base, or municipal storm sewer is entered by the receipts water system of both sides;The former whole road structures are all permeable structures, and the latter is only Part-structure layer is permeable structure.The main problem of the technical measures is:No matter asphalt concrete pavement or cement concrete Roadbed below road surface, and pavement structure, sensitiveness is respectively provided with to water.In fact, the earlier period damage of pavement structure, substantially all Related with the entrance of water, migration of the water in structure sheaf, can influence the globality of asphalt concrete structure, so as to damage road surface knot The intensity and durability of structure layer;Meanwhile the intrusion of water will be caused to corrode and washed away to roadbed, so as to reduce subgrade strength.In short, Above-mentioned Pavement surface drainage mode necessarily faces the problem of pavement structure is impaired, meanwhile, the permeable scheme of entire infrastructure layer table water of giving way leads to Cross under roadbed and ooze, subgrade strength is but reduced while supplemented with underground water;Then table water in road is equal for the permeable scheme of part-structure floor Municipal storm sewer is entered, fails to play the role of recharge of groundwater.
In view of this, it is necessary to suit the remedy to the case, the correct direction solved the problems, such as should be the approach for increasing draining, and water is drawn It is directed in underground water.
The content of the invention
To solve the above problems, the present invention provides a kind of can be with the laying method of the drainage pavement of recharge of groundwater position Embodiment of " sponge city " theory in designing of city road construction.This programme is simple, easy, practical, cost is low, can be a wide range of Promote and apply.
The technical solution adopted by the present invention to solve the technical problems is:A kind of laying method of drainage pavement, including with Lower step:
S10. the car lane side soil body is excavated to roadbed bottom elevation line, is laid with drainage pipeline;
S20. waterproof geotextiles are laid with by greenbelt side, the bottom fold of waterproof geotextiles is pressed under roadbed;
S30. roadbed and basic unit to designed elevation are laid with and forms roadbed, lays the receipts water pipe of access drainage pipeline;
S40. by waterproof geotextiles top fold to roadbed top surface, the first press strip is laid with along shoulder, the first press strip Bottom is concordant with the top of basic unit;
S50. it is laid with road surface structare layer and forms road surface, road surface has to the inclined horizontal slope in greenbelt side, the top of the first press strip Portion and the either flush on road surface, build and receive the mouth of a river;
S60. greenbelt bankets, and plants trees, grass planting, greenbelt section is " U "-shaped, and the greenbelt center line absolute altitude is less than road surface Absolute altitude, road surface connect with the border of greenbelt according to the smooth-going of natural cambered surface.
The improvement of technical solution of the present invention is further used as, buries access drainage pipeline in step S60 in greenbelt side Excess water receives water pipe, and excess water income mouth is set in greenbelt, and excess water takes in mouth and accesses rainwater by excess water receipts water pipe Pipeline, the elevation of excess water income mouth is between grade elevation and greenbelt center line absolute altitude.
The improvement of technical solution of the present invention is further used as, excess water receives inlet and sets filtering screen.
The improvement of technical solution of the present invention is further used as, step S70. is further included and excavates the pavement side soil body to roadbed bottom Elevation line, is laid with waterproof geotextiles, the bottom fold of waterproof geotextiles is pressed under roadbed, is laid with roadbed and basic unit by greenbelt side Roadbed is formed to designed elevation, by waterproof geotextiles top fold to roadbed top surface, along the second press strip of shoulder laying, second The bottom of press strip is concordant with the top of basic unit, is laid with the road surface that road surface structare layer forms pavement, and the road surface on pavement has to green Change the either flush of the inclined horizontal slope in band side, the top of the second press strip and the road surface on pavement, the road surface on pavement and greenbelt Border according to natural cambered surface smooth-going connect.
The improvement of technical solution of the present invention is further used as, in step S70, before the second press strip is laid with, first in the second press strip Bottom set the second back seat, the second back seat compress lower section waterproof geotextiles.
The improvement of technical solution of the present invention is further used as, in step S40, before the first press strip is laid with, first described first The bottom of press strip sets the first back seat, and the first back seat compresses lower section waterproof geotextiles.
The improvement of technical solution of the present invention is further used as, in step S40, after the first press strip is laid with, in the first press strip Outside is equipped with flat stone back seat, and the top of flat stone back seat is laid with flat stone, top and car lane dypass face and the first press strip of flat stone Top is concordant.
Beneficial effects of the present invention:Greenbelt forms aguada in the side on road surface in the present invention, is set at pavement boundaries The first press strip is put, the rainwater that can be allowed on road surface rapidly enters greenbelt along horizontal slope, then by being seeped into the soil body and ground under greenbelt In lower water body, while prevent the water in greenbelt from entering laterally road surface, realize supplement of the rainwater for level of ground water, the present invention is Embodiment of " sponge city " theory in designing of city road construction, this programme is simple, easy, practical, cost is low, can be a wide range of Promote and apply.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Embodiment
With reference to Fig. 1, that show the concrete structure of the preferred embodiments of the invention.It will be detailed below of the invention each The design feature of element, and during if being described to direction (upper and lower, left and right, before and after), be using the structure shown in Fig. 1 as It is not limited thereto with reference to the actual use direction of description, but the present invention.
The present invention provides a kind of laying method of drainage pavement, comprise the following steps:
S10. the car lane side soil body is excavated to roadbed bottom elevation line, is laid with drainage pipeline 62;
S20. waterproof geotextiles 5 are laid with by greenbelt side, the bottom fold of waterproof geotextiles 5 is pressed under roadbed 21, sets Waterproof geotextiles 5 can prevent the water in greenbelt 1 from entering laterally pavement structure basic unit 22 and roadbed scope, reduce its intensity;
S30. roadbed 21 and basic unit 22 to designed elevation are laid with and forms roadbed, lays the receipts water pipe of access drainage pipeline 62;
S40. by 5 top fold of waterproof geotextiles to roadbed top surface, the first press strip 3, the first press strip 3 are laid with along shoulder Before laying, the first back seat 31 is first set in the bottom of first press strip 3, the first back seat 31 compresses lower section waterproof geotextiles 5, the The bottom of one press strip 3 is concordant with the top of basic unit, and after the first press strip 3 is laid with, flat stone back seat 33 is equipped with the outside of the first press strip 3, The top of flat stone back seat 33 is laid with flat stone 32, and the top of flat stone 32 is concordant with car lane dypass face and the top of the first press strip 3;
S50. it is laid with road surface structare layer 23 and forms road surface, road surface has to the inclined horizontal slope in greenbelt side, the first press strip 3 Top and the either flush on road surface, build and receive the mouth of a river, receive the mouth of a river and are designed as putting down into formula;
S60. greenbelt 1 bankets, and plants trees, grass planting, 1 section of greenbelt is " U "-shaped, and the 1 center line absolute altitude of greenbelt is as low as 10cm below grade elevation, road surface connect with the border of greenbelt 1 according to the smooth-going of natural cambered surface, and access draining is buried in greenbelt side The excess water of pipeline 62 receives water pipe 61, and excess water income mouth 6 is set in greenbelt 1, and excess water income mouth 6 is received by excess water Water pipe 61 accesses storm sewer 62, and the elevation of excess water income mouth 6 is less than 3 top surface absolute altitude 5cm of the first press strip.Excess water takes in mouth Filtering screen is set at 6, prevents from falling into the leaf in greenbelt, the scraps of paper, polybag etc. and enters the excess water receipts mouth of a river and block up Plug;Filtering screen may also be arranged to beauty moulding and as a part for landscape.When the water being discharged into greenbelt 1 is excessive, Cannot and it ooze at present, when causing water level in greenbelt to exceed excess water to receive the height at the mouth of a river 6, the water of excess is discharged into storm sewer 62, prevent the reverse cross flow of the water in greenbelt to both sides road surface;And under normal circumstances, be discharged into greenbelt 1 water will it is vertical under ooze Recharge of groundwater.
S70. the pavement side soil body is excavated to roadbed bottom elevation line, and waterproof geotextiles 5, waterproof geotechnique are laid with by greenbelt side Under the bottom fold press-in roadbed 21 of cloth 5, it is laid with roadbed 21 and basic unit 22 to designed elevation and forms roadbed, by waterproof geotextiles 5 Top fold is laid with the second press strip 4 to roadbed top surface, along shoulder, and the bottom of the second press strip 4 is concordant with the top of basic unit 22, the Before two press strips 4 are laid with, the second back seat 41 is first set in the bottom of the second press strip 2, the second back seat 41 compresses lower section waterproof geotextiles 5, it is laid with the road surface that road surface structare layer 23 forms pavement, the road surface on pavement has to the inclined horizontal slope in 1 side of greenbelt, and second The top of press strip 2 and the either flush on the road surface on pavement, the road surface on pavement are smoothed out with the border of greenbelt 1 according to natural cambered surface Connecting, the rainwater allowed on road surface rapidly enters greenbelt along horizontal slope, then by being seeped under greenbelt in the soil body and body of groundwater, Prevent the water in greenbelt from entering laterally road surface at the same time, realize supplement of the rainwater for level of ground water.
In the press strip of greenbelt 1(First press strip and the second press strip)Edge mark traffic line, forbids driving vehicle to enter Greenbelt;Meanwhile row's greening-tree is planted in the middle part of greenbelt, for reducing dazzle and preventing vehicle from pouring to track.
The applicable elements and advantage of this programme are as follows:
1st, it is excessive not to be suitable for embankment for the above-mentioned greenbelt that catchments(Height of embankment is more than pavement structure thickness and roadbed height With)And the situation that embankment is great soil group.Because embankment is excessive, the rainwater oozed under the greenbelt that catchments will inevitably enter embankment, So as to have a negative impact to banketing, and then influence the stability of whole roadbed.
2nd, because the kerbstone that will be above road surface is changed to the press strip flushed with grade elevation, the water of road surfaces does not stop, can Rapidly to flow into greenbelt, equivalent to improving runoff coefficient.
3rd, this programme need not customize special new type of component, and material, flat stone, the press strip of each layer of pavement structure can keep normal The type and size of rule.
4th, the road designed using this method, when being transformed in the future, car lane, non-motorized lane, pavement etc. Part will not interact, particularly absolute altitude, it is not necessary to yield to mutually.The relation of road elevation and both sides platform absolute altitude is stablized, no Both sides can be had an impact because of road reformation.
5th, normal vehicle operation will not enter greenbelt;And even if being strayed into greenbelt, because of greenbelt plant, especially afforest The buffering of tree, does not easily cause traffic accident.Meanwhile greenbelt center line height is only below road surface 10cm, the vehicle being strayed into be easy to from In roll away from.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally Equivalent variations or replacement can be also made on the premise of spirit, these equivalent modifications or replacement are all contained in the application right It is required that in limited range.

Claims (6)

1. a kind of laying method of drainage pavement, it is characterised in that comprise the following steps:
S10. the car lane side soil body is excavated to roadbed bottom elevation line, is laid with drainage pipeline;
S20. waterproof geotextiles are laid with by greenbelt side, the bottom fold of waterproof geotextiles is pressed under roadbed;
S30. roadbed and basic unit to designed elevation are laid with and forms roadbed, lays the receipts water pipe of access drainage pipeline;
S40. by waterproof geotextiles top fold to roadbed top surface, the first press strip, the bottom of the first press strip are laid with along shoulder It is concordant with the top of basic unit;
S50. be laid with road surface structare layer and form road surface, road surface has to the inclined horizontal slope in greenbelt side, the top of the first press strip with The either flush on road surface, builds and receives the mouth of a river;
S60. greenbelt bankets, and plants trees, grass planting, greenbelt section is " U "-shaped, and the greenbelt center line absolute altitude is less than road marking Height, road surface connect with the border of greenbelt according to the smooth-going of natural cambered surface;
S70. the pavement side soil body is excavated to roadbed bottom elevation line, and waterproof geotextiles are laid with by greenbelt side, waterproof geotextiles Under bottom fold press-in roadbed, it is laid with roadbed and basic unit to designed elevation and forms roadbed, by waterproof geotextiles top fold to road Base top surface, is laid with the second press strip, the bottom of the second press strip is concordant with the top of basic unit, is laid with road surface structare layer and is formed along shoulder The road surface on pavement, the road surface on pavement have to the inclined horizontal slope in greenbelt side, the top of the second press strip and the road on pavement The either flush in face, the road surface on pavement connect with the border of greenbelt according to the smooth-going of natural cambered surface.
2. the laying method of drainage pavement according to claim 1, it is characterised in that:Buried in step S60 in greenbelt side If the excess water for accessing drainage pipeline receives water pipe, excess water income mouth is set in greenbelt, excess water income mouth passes through excess Water receives water pipe access storm sewer, and the elevation of excess water income mouth is between grade elevation and greenbelt center line absolute altitude.
3. the laying method of drainage pavement according to claim 2, it is characterised in that:Excess water receives inlet and sets filtering Guard.
4. the laying method of drainage pavement according to claim 1, it is characterised in that:In step S70, the second press strip is laid with Before, the second back seat is first set in the bottom of the second press strip, and the second back seat compresses lower section waterproof geotextiles.
5. the laying method of drainage pavement according to claim 1, it is characterised in that:In step S40, the first press strip is laid with Before, the first back seat is first set in the bottom of first press strip, and the first back seat compresses lower section waterproof geotextiles.
6. the laying method of drainage pavement according to claim 1, it is characterised in that:In step S40, the first press strip is laid with Afterwards, flat stone back seat is equipped with the outside of the first press strip, the top of flat stone back seat is laid with flat stone, top and the car lane side of flat stone It is concordant at the top of road surface and the first press strip.
CN201610374705.9A 2016-05-30 2016-05-30 A kind of laying method of drainage pavement CN105970764B (en)

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CN105970764B true CN105970764B (en) 2018-05-11

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106436528A (en) * 2016-11-10 2017-02-22 中国市政工程西北设计研究院有限公司 Sidewalk pavement structure for water permeation, water storage and water discharging

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Publication number Priority date Publication date Assignee Title
KR20070038942A (en) * 2006-12-01 2007-04-11 주식회사 동성엔지니어링 Garbage interception structure for road
CN202031005U (en) * 2011-01-27 2011-11-09 上海市政交通设计研究院有限公司 Ecological drainage channel
CN202280032U (en) * 2011-09-30 2012-06-20 江苏大学 Sunken type road-separating green belt
CN203755201U (en) * 2014-01-13 2014-08-06 昆明理工大学 Energy-saving sinking type flood intercepting road isolation belt
CN204174496U (en) * 2014-10-30 2015-02-25 江西王牌建设工程集团有限公司 A kind of novel town road structure
CN204825549U (en) * 2015-07-27 2015-12-02 上海森锐道路工程技术有限公司 Kir road structure
CN205223761U (en) * 2015-11-10 2016-05-11 上海园林工程设计有限公司 A biological depression system that is used for blending purification under rainwater
CN205242205U (en) * 2015-12-17 2016-05-18 中国电建集团贵阳勘测设计研究院有限公司 Highway ditch

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070038942A (en) * 2006-12-01 2007-04-11 주식회사 동성엔지니어링 Garbage interception structure for road
CN202031005U (en) * 2011-01-27 2011-11-09 上海市政交通设计研究院有限公司 Ecological drainage channel
CN202280032U (en) * 2011-09-30 2012-06-20 江苏大学 Sunken type road-separating green belt
CN203755201U (en) * 2014-01-13 2014-08-06 昆明理工大学 Energy-saving sinking type flood intercepting road isolation belt
CN204174496U (en) * 2014-10-30 2015-02-25 江西王牌建设工程集团有限公司 A kind of novel town road structure
CN204825549U (en) * 2015-07-27 2015-12-02 上海森锐道路工程技术有限公司 Kir road structure
CN205223761U (en) * 2015-11-10 2016-05-11 上海园林工程设计有限公司 A biological depression system that is used for blending purification under rainwater
CN205242205U (en) * 2015-12-17 2016-05-18 中国电建集团贵阳勘测设计研究院有限公司 Highway ditch

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