CN106400926A - Seepage and drainage ditch system suitable for large-area sinking type greenbelt and construction method thereof - Google Patents

Seepage and drainage ditch system suitable for large-area sinking type greenbelt and construction method thereof Download PDF

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Publication number
CN106400926A
CN106400926A CN201610825775.1A CN201610825775A CN106400926A CN 106400926 A CN106400926 A CN 106400926A CN 201610825775 A CN201610825775 A CN 201610825775A CN 106400926 A CN106400926 A CN 106400926A
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China
Prior art keywords
escape canal
ooze
oozing
pipeline
greenery patches
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CN201610825775.1A
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CN106400926B (en
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余雪松
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BEIJING TIDELION S&I RAINWATER HARVESTING TECHNOLOGY Co Ltd
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BEIJING TIDELION S&I RAINWATER HARVESTING TECHNOLOGY Co Ltd
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • 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
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention provides a rainwater seepage and drainage ditch especially suitable for a large-area sinking type greenbelt according to the technical state of generally lacking matched applicable products in a current domestic sponge urban construction process in China. A seepage and drainage ditch system suitable for the large-area sinking type greenbelt comprises a seepage and drainage ditch, a seepage and drainage ditch water catchment pipeline and a grassland spray irrigation pipeline, wherein the seepage and drainage ditch is composed of a group of module units which are in serial connection in a joggle joint mode, the two ends of the seepage and drainage ditch can be sealed or connected with a pipeline to lead out collected rainwater according to need, the seepage and drainage ditch water catchment pipeline comprises a plurality of seepage and drainage ditch water catchment pipelines connected with the seepage and drainage ditch, and the grassland spray irrigation pipeline is formed by spray pipelines. By means of the technical scheme of the seepage and drainage ditch system, the standardization and the modularization of the engineering applicable products in the sponge urban construction process are achieved.

Description

A kind of be applied to large area sunk type greenery patches ooze escape canal system and its construction Method
Technical field
The present invention relates to rainwater ooze, water discharge technology facility field, be especially applicable to the rainwater in large area sunk type greenery patches Ooze, escape canal.
Background technology
Large area sunk type greenery patches be a kind of biological be detained facility, be located at the relatively low region of physical features, by plant, soil and Microflora stores and oozes, purifies runoff rainwater.
The biological facility that is detained is primarily adapted for use in the periphery greenery patches built with building, road and parking lot in cell, and In the urban green spaces such as pergola on the city road.
The biological facility that is detained is various informative, and suitable application region is wide, be easily combined with landscape, and runoff control effect is good, construction cost Relatively low with maintenance cost, it is the low impact exploitation single technology facility that national sponge urban construction technology is recommended.
The sponge urban construction of China is being carried forward vigorously, and the drainage system facility that oozes of rainwater often limits to commercially retail Piecing together of accessory is combined it is impossible to effectively meet the functional requirement of engineering.Realize standard and the modularization of engineering appropriate products, deep Enter to study sponge city correlation technique, the corresponding appropriate products of shaping of exploitation are urgent tasks.
Content of the invention
For in domestic sponge Process of Urban Development at present, generally lack the state of the art of supporting appropriate products, particularly For large area sunk type greenery patches, the invention provides a kind of rainwater oozes escape canal.
The escape canal system of oozing being applied to large area sunk type greenery patches of the present invention includes:Ooze escape canal, Ooze escape canal charge for remittance pipeline and meadow pipeline of sprinkling irrigation, wherein ooze escape canal and be composed in series by one group of modular unit joggle, ooze The two ends of escape canal close as needed or connecting pipe draw collect rainwater, ooze escape canal charge for remittance pipeline comprise multiple With ooze that escape canal is connected ooze escape canal charge for remittance pipeline, meadow pipeline of sprinkling irrigation is made up of spraying pipe.
Described be applied to large area sunk type greenery patches ooze escape canal system implement should be with Green Space Design close fit.
The described escape canal modular unit that oozes has semicircle wallboard and semicircle end plate, and the top of semicircle wallboard has 3 can make For the DN100 spare interface of breather pipe spare interface and/or rainwater collection collector spare interface, semicircle end plate side has DN100 Spare interface, DN200 spare interface, DN300 spare interface and outlet conduit spare interface, can be used to connect water inlet, water outlet Pipeline.
Described semicircle wallboard and semicircle end plate adopt polypropylene plastics injection mo(u)lding.
Described multigroup escape canal that oozes is arranged in parallel on the original soil ground through leveling compacting for the large area sunk type greenery patches.
Described ooze escape canal, on the breather pipe spare interface at modular unit top in position connect breather pipe, The bottom absolute altitude of the aeration vent of breather pipe exceeds greenery patches ground.
Described ooze escape canal, on the spare interface at modular unit top in position connect rainwater collection collector, rain The bottom absolute altitude of the rainwater-collecting mouth of water collection pipe exceeds greenery patches ground 200mm, for being collected for more than Green Space Design penetrating power Overflowing rain water.
Described ooze escape canal, have infiltration and transportation function, during rain infiltration underground, ooze escape canal bottom The seasonal highest level of ground water of permeable face distance should be not less than 1m.
For preventing original soil around from invading irrigation canals and ditches, the described bottom oozing escape canal and periphery fill up metalling, described ooze row The outer layer of the metalling in the bottom of Box Drain and outside is additionally provided with permeable geotextiles..
Planting soil, metalling and spraying pipe is laid oozing from bottom to top successively above escape canal.
In the described metalling oozing above escape canal laying, ballast grain sizes are 20~30mm, and landfill height is more than and oozes row The height 100mm of Box Drain.
The invention also discloses a kind of construction method oozing escape canal system being applied to large area sunk type greenery patches:
1) bottom oozing escape canal is arranged on the ground basal plane of the original soil ground through leveling compacting;
2) metalling is set in the bottom oozing escape canal and periphery, is oozing the bottom of escape canal and the broken of outside simultaneously The outer layer of rock layers is additionally provided with permeable geotextiles;
3) left side oozing escape canal is connected to and oozes escape canal charge for remittance pipeline, the rainwater oozing escape canal collection passes through This pipeline imports sump;
4) place water pump in sump, ooze above escape canal from bottom to top successively laying planting soil, metalling and Rainwater in sump is transferred to spraying pipe through pipeline by water pump by spraying pipe, and spraying pipe is using the rainwater collected Sunk type greenery patches is irrigated.
By the present invention provide be applied to large area sunk type greenery patches ooze escape canal system and its construction method, have Effect achieves the standard of engineering appropriate products and modularization in sponge Process of Urban Development.
Brief description
The present invention is further described below in conjunction with the accompanying drawings:
Fig. 1 oozes the horizontal layout schematic diagram of escape canal system composition for rainwater of the present invention;
Fig. 2 oozes the section arrangement schematic diagram of escape canal system composition for rainwater of the present invention;
Fig. 3 oozes the tectonic association figure of escape canal modular unit for rainwater.
Wherein description of reference numerals is as follows:
1. original soil ground, 2. permeable geotextiles, 3. ooze escape canal, 4. screed-coat, 5. metalling, 6. planting soil, 7. spray Spill pipeline, 8. water pump, 9. sump, 31. semicircle wallboards, 32. semicircle end plates, 33.DN100 spare interface, 34. infiltration bar seams, 35.DN100 spare interface, 36.DN200 spare interface, 37.DN300 spare interface, 38. outlet conduit spare interfaces.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in figure 1, oozing escape canal 3 is one or more side-by-side parallel arrangement, ooze introduction pipe on the left of escape canal, By oozing the pipe influx of escape canal extraction in sump 9, sump 9 is used for collecting and depositing rainwater, places in sump 9 Water pump 8, by pipeline, the rainwater in sump 9 is transferred to spraying pipe 7 with water pump 8 it is achieved that the collection of rainwater and recycling.
As shown in Fig. 2 the bottom oozing escape canal 3 is arranged on the ground basal plane of the original soil ground 1 through leveling compacting, ooze row The bottom of Box Drain 3 and periphery fill up metalling 5, for preventing original soil around from invading irrigation canals and ditches, ooze bottom and the outside of escape canal 3 Metalling 5 outer layer permeable geotextiles 2 also should be set, permeable geotextiles 2 be located at metalling 5 outside, ooze a left side for escape canal 3 Side connects oozes escape canal charge for remittance pipeline, and the rainwater oozing escape canal 3 collection imports sump 9 by this pipeline, in sump 9 Place water pump 8, lay planting soil 6, screed-coat 4 and spraying pipe 7 successively oozing from bottom to top above escape canal 3, by water Rainwater in sump 8 is transferred to spraying pipe 7 through pipeline by pump 8, and spraying pipe 7 is using the rainwater collected to sunk type greenery patches Irrigated.Additionally, oozing in the metalling that escape canal 3 top is laid, ballast grain sizes are 20~30mm, fill highly to be more than and ooze The height 100mm of escape canal 3.
As shown in figure 3, ooze escape canal 3 being composed in series by one group of modular unit joggle, ooze the two ends of escape canal 3 according to Closing or connecting pipe is needed to draw the rainwater collected, the modular unit oozing escape canal is by using polypropylene plastics injection mo(u)lding Semicircle wallboard 31 and semicircle end plate 32 form, the top of semicircle wallboard have 3 can be used as breather pipe spare interface and/or rainwater The DN100 spare interface 33 of collecting pipe spare interface, semicircle end plate side has DN100 spare interface 35, DN200 spare interface 36th, DN300 spare interface 37 and outlet conduit spare interface 38, can be used to connect water inlet, outlet conduit.Ooze escape canal 3 Side leave infiltration bar seam 34, the rainwater in irrigation canals and ditches can by seep water bar seam 34 entrance metallings 5, after filtering addedly Lower water.Breather pipe, the bottom mark of venting tube outlet are connected on the DN100 spare interface 33 at the modular unit top oozing escape canal 3 Height exceeds greenery patches ground 200mm.The seasonal highest level of ground water of permeable face distance oozing escape canal 3 bottom should be not less than 1m.
The foregoing is only presently preferred embodiments of the present invention, be not used for limiting the practical range of the present invention;If do not taken off From the spirit and scope of the present invention, the present invention is modified or equivalent, all should cover in the claims in the present invention In the middle of protection domain.

Claims (11)

1. a kind of be applied to large area sunk type greenery patches ooze escape canal system it is characterised in that described system includes:Ooze row Box Drain, ooze escape canal charge for remittance pipeline and meadow pipeline of sprinkling irrigation, the wherein said escape canal that oozes is by one group of modular unit joggle It is composed in series, the described two ends oozing escape canal are closed as needed or connecting pipe draws the rainwater collected, and described ooze draining Irrigation canals and ditches charge for remittance pipeline comprise multiple with ooze that escape canal is connected ooze escape canal charge for remittance pipeline, described meadow pipeline of sprinkling irrigation is by spraying Spill pipeline to constitute.
2. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that Planting soil, metalling and spraying pipe is laid in described oozing from bottom to top successively above escape canal.
3. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that Multigroup described escape canal that oozes is arranged in parallel on the original soil ground through leveling compacting for the large area sunk type greenery patches.
4. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that The described modular unit oozing escape canal has semicircle wallboard and a semicircle end plate, the top of described semicircle wallboard have 3 can conduct Breather pipe spare interface and/or the DN100 spare interface of rainwater collection collector spare interface, described semicircle end plate side has DN100 spare interface, DN200 spare interface, DN300 spare interface and outlet conduit spare interface, for connecting water inlet, water outlet Pipeline.
5. a kind of be applied to as claimed in claim 4 large area sunk type greenery patches ooze escape canal system it is characterised in that Described semicircle wallboard and semicircle end plate adopt polypropylene plastics injection mo(u)lding to be obtained.
6. a kind of be applied to as claimed in claim 4 large area sunk type greenery patches ooze escape canal system it is characterised in that Described ooze escape canal, on the DN100 spare interface at modular unit top in position connect breather pipe, described breather pipe The bottom absolute altitude of aeration vent exceed greenery patches ground, infiltration bar seam is left in the described side oozing escape canal, described oozes gutter Rainwater in canal can enter metalling, recharge of groundwater after filtering by described infiltration bar seam.
7. a kind of be applied to as claimed in claim 4 large area sunk type greenery patches ooze escape canal system it is characterised in that Described ooze escape canal, on the DN100 spare interface at modular unit top in position connect rainwater collection collector, described rain The bottom absolute altitude of the rainwater-collecting mouth of water collection pipe exceeds greenery patches ground 200mm, for being collected for more than Green Space Design penetrating power Overflowing rain water.
8. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that The described seasonal highest level of ground water of permeable face distance oozing escape canal bottom should be not less than 1m.
9. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that The described bottom oozing escape canal and periphery fill up metalling, the outer layer of the metalling in the described bottom oozing escape canal and outside It is additionally provided with permeable geotextiles.
10. a kind of be applied to large area sunk type greenery patches as claimed in claim 9 ooze escape canal system, its feature exists In, in the described described metalling oozing above escape canal laying, ballast grain sizes are 20~30mm, and landfill height is more than described oozing The height 100mm of escape canal.
A kind of 11. constructions oozing escape canal system being applied to large area sunk type greenery patches as described in claim 1-10 Method:
1) the described bottom oozing escape canal is arranged on the ground basal plane of the original soil ground through leveling compacting;
2) metalling is set in the described bottom oozing escape canal and periphery, simultaneously in the described bottom oozing escape canal and outside The outer layer of metalling be additionally provided with permeable geotextiles;
3) the described left side oozing escape canal is connected to and oozes escape canal charge for remittance pipeline, the rainwater oozing escape canal collection passes through Described charge for remittance pipeline imports sump;
4) place water pump in described sump, lay planting soil, rubble above escape canal from bottom to top successively in described oozing Rainwater in described sump is transferred to described spraying pipe, described spray through pipeline by described water pump by layer and spraying pipe Spill pipeline using the rainwater collected, described sunk type greenery patches to be irrigated.
CN201610825775.1A 2016-09-14 2016-09-14 Infiltration drainage ditch system and its construction method for large area sunk type greenery patches Active CN106400926B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108331130A (en) * 2017-01-19 2018-07-27 深圳志深建筑技术有限公司 A kind of infiltration trench for dredging rainwater
CN109577450A (en) * 2018-12-29 2019-04-05 中关村海绵城市工程研究院有限公司 A kind of rainwater infiltration row's integrated apparatus
CN109723123A (en) * 2019-02-26 2019-05-07 上海中森建筑与工程设计顾问有限公司 A kind of tubulose water-storing device
CN110409588A (en) * 2018-04-27 2019-11-05 深圳志深建筑技术有限公司 A kind of rain penetration canal for sponge urban construction
CN111155623A (en) * 2019-12-10 2020-05-15 宣城市政建设集团有限公司 Construction and installation method for outdoor square stainless steel and plastic finished product combined drainage ditch

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020025226A1 (en) * 2000-08-25 2002-02-28 Maestro Robert M. Stormwater dispensing chamber
US20050238434A1 (en) * 2000-05-05 2005-10-27 Coppes Bryan A Outwardly dished end plate for stormwater chamber
CN1851162A (en) * 2005-04-22 2006-10-25 陈瑞文 Structural water resource recovery method
CN203174665U (en) * 2013-04-03 2013-09-04 江苏山水环境建设集团股份有限公司 Urban rainwater collection and utilization system
CN105064489A (en) * 2015-07-02 2015-11-18 西安市政设计研究院有限公司 Biological filter and design method thereof
CN105089142A (en) * 2015-08-27 2015-11-25 天津大学 Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system
CN204824528U (en) * 2015-07-17 2015-12-02 天津青川科技发展有限公司 High retaining nature greenery patches improvement structure
CN105155618A (en) * 2015-09-30 2015-12-16 宋建新 Rainwater collection and drainage system for solving problem of urban water logging
CN205284277U (en) * 2015-12-18 2016-06-08 华艺生态园林股份有限公司 Grass planting ditch with rainwater guide filtering capability

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050238434A1 (en) * 2000-05-05 2005-10-27 Coppes Bryan A Outwardly dished end plate for stormwater chamber
US20020025226A1 (en) * 2000-08-25 2002-02-28 Maestro Robert M. Stormwater dispensing chamber
CN1851162A (en) * 2005-04-22 2006-10-25 陈瑞文 Structural water resource recovery method
CN203174665U (en) * 2013-04-03 2013-09-04 江苏山水环境建设集团股份有限公司 Urban rainwater collection and utilization system
CN105064489A (en) * 2015-07-02 2015-11-18 西安市政设计研究院有限公司 Biological filter and design method thereof
CN204824528U (en) * 2015-07-17 2015-12-02 天津青川科技发展有限公司 High retaining nature greenery patches improvement structure
CN105089142A (en) * 2015-08-27 2015-11-25 天津大学 Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system
CN105155618A (en) * 2015-09-30 2015-12-16 宋建新 Rainwater collection and drainage system for solving problem of urban water logging
CN205284277U (en) * 2015-12-18 2016-06-08 华艺生态园林股份有限公司 Grass planting ditch with rainwater guide filtering capability

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108331130A (en) * 2017-01-19 2018-07-27 深圳志深建筑技术有限公司 A kind of infiltration trench for dredging rainwater
CN110409588A (en) * 2018-04-27 2019-11-05 深圳志深建筑技术有限公司 A kind of rain penetration canal for sponge urban construction
CN109577450A (en) * 2018-12-29 2019-04-05 中关村海绵城市工程研究院有限公司 A kind of rainwater infiltration row's integrated apparatus
CN109577450B (en) * 2018-12-29 2024-05-28 中关村海绵城市工程研究院有限公司 Rainwater infiltration and drainage integrated device
CN109723123A (en) * 2019-02-26 2019-05-07 上海中森建筑与工程设计顾问有限公司 A kind of tubulose water-storing device
CN111155623A (en) * 2019-12-10 2020-05-15 宣城市政建设集团有限公司 Construction and installation method for outdoor square stainless steel and plastic finished product combined drainage ditch

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