CN101560757B - Seepage-intercepting and pollutant-removing system of large channel non-water passing slope - Google Patents

Seepage-intercepting and pollutant-removing system of large channel non-water passing slope Download PDF

Info

Publication number
CN101560757B
CN101560757B CN2009100279517A CN200910027951A CN101560757B CN 101560757 B CN101560757 B CN 101560757B CN 2009100279517 A CN2009100279517 A CN 2009100279517A CN 200910027951 A CN200910027951 A CN 200910027951A CN 101560757 B CN101560757 B CN 101560757B
Authority
CN
China
Prior art keywords
seepage
channel
slope
intercepting
ecological
Prior art date
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.)
Expired - Fee Related
Application number
CN2009100279517A
Other languages
Chinese (zh)
Other versions
CN101560757A (en
Inventor
张展羽
迟艺侠
朱成立
夏继红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
Original Assignee
Hohai University HHU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hohai University HHU filed Critical Hohai University HHU
Priority to CN2009100279517A priority Critical patent/CN101560757B/en
Publication of CN101560757A publication Critical patent/CN101560757A/en
Application granted granted Critical
Publication of CN101560757B publication Critical patent/CN101560757B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a seepage-intercepting and pollutant-removing system of a large channel non-water passing slope, and the system mainly comprises four parts: a greensward slope protection belt, an ecological seepage-intercepting ditch, a drainage subsurface pipe and a water collecting well. The greensward slope protection belt is a concrete grid turf slope or the combination slope protection of grass and shrubs; the ecological seepage-intercepting ditch is arranged at a berm which is near to the slope toe part of an inner slope of the channel non-water passing cross section and shaped like an inverted trapezoid which is wide at the top and narrow at the bottom, the ditch is under cut and fill method by sands and stones with different particle sizes, plants are plated at the upper part, thereby being capable of effectively intercepting radial flow, depositing silty sands and granular pollutants during the rapid infiltration process of water flow in a short distance and ingesting, absorbing or converting soluble pollutants; and the water flow after the purification is collected in the water collecting well along the drainage undersurface pipe. The invention constructs the seepage-intercepting and pollutant-removing system which integrates flow interception, seepage interception, flow guide, flow collection and water quality purification and has the advantages of less project investment, simple structure, no additon of occupied area and the like, thereby being an ecological protection new technology of the large channel slopes which takes actions that suit local circumstances being economic and practical and having important promotional value.

Description

The large channel non-water passing slope seepage-intercepting and pollutant-removing system
Technical field
The present invention relates to large-scale canal for water conveyance non-water passing slope and cut and ooze and surface flow scrubbing problem, belong to the Agricultural Water-Soil Engineering technical field.
Background technology
In the large channel process of construction, the form of construction work kind is many, and it is wide to destroy, pile the pad area, causes original vegetation cover and rock slope to be destroyed, and forms to be the secondary barren that wire distributes on a large scale; The channel non-water passing section is subjected to washing away of precipitation, and domatic soil erosion will be taken husky current and bring channel into; Pollutant along the line can be with slope runoff directly into canal, or infiltrates channel by underground water, has a strong impact on channel hydraulic pipeline water quality.At present, the improvement technology of river course side slope soil erosion and pollution of area source is numerous, but in large channel governance process along the line, exists the inadaptability of imported technology, lack the effective face of land and interflow subsurface drainage cut ooze, pollutant trim process engineering construction pattern.The present invention is directed to the actual conditions of large channel compound section, utilize the platform in an opposite direction of non-water passing slope to make up a kind of novel seepage-intercepting and pollutant-removing system.
Summary of the invention
The present invention proposes the channel non-water passing slope seepage-intercepting and pollutant-removing system, utilize to cut and ooze engineering+plant protection technology, separate and cross waterside slope soil erosion and pollution of area source problem along the line by no means, ensure water delivery water quality, realize its hydrologic effect, environmental effect and landscape effect.
Technical scheme of the present invention mainly comprises: make up the channel non-water passing slope seepage-intercepting and pollutant-removing system, this system is made up of grass planting bank protection band, ecological seepage interception ditch, closed drain and collecting well four parts.Grass planting bank protection band is arranged on the non-water passing slope, according to domatic soil property situation, can adopt concrete grid grass planting, grass to irritate modes such as combination respectively; Ecological seepage interception ditch is arranged in the close channel non-water passing section inner slope toe position of platform in an opposite direction, for wide at the top and narrow at the bottom trapezoidal, geotextiles is laid in the bottom, fills coarse gravel, bird's-eye gravel, sand, vegetation type ecological concrete from top to bottom successively, plants plant on concrete; Closed drain links to each other with ecological seepage interception ditch bottom, and entery and delivery port all with the geotextiles parcel, is filled the sandstone filtrate in the pipe; The closed drain outlet is arranged on the collecting well sidewall, and collecting well top is that watertight concrete pipe, bottom are sand-free concrete tube (seeing accompanying drawing).
Advantage of the present invention: the present invention makes full use of existing canal bank band resources advantage; dam by making up collection, cut and ooze, water conservancy diversion, conflux and purification of water quality is that cutting of one oozed drainage, realize the interception runoff and sediment, subdue pollutant levels and greening channel functions such as environmental protection along the line.Its advantage mainly shows: (1) restoration of the ecosystem plant can effectively be tackled runoff, slows down the slope runoff migration velocity, a silt sediment and a class attitude pollutant, and root system of plant can absorb, adsorbs or transform the solubilised state pollutant; (2) high osmosis of seepage interception ditch can be able to make the runoff of plant interception in short distance, ooze under rapidly, thereby change the harm of slope runoff directly into canal, after prolongation water movement path made its progressively filtration through materials such as concrete for plant growth, sand and layer of gravel under the situation that does not increase occupation of land, water quality was further purified; (3) current after the purification import collecting well along closed drain, and channel non-water passing can be used as the iirigation water source of slope vegetation season; (4) seepage interception ditch and collecting well are united layout, can effectively tackle surface flow and underflow, prevent that face source contact scar thing from entering channel, can effectively reduce water level under the canal hillside fields simultaneously, reduce canal slope seepage deformation; (5) plant such as grass planting bank protection band can form green gallery along the line at channel, improves environmental landscape along the line.It is few, simple in structure that the present invention has a construction investment, do not increase floor space, pollutes advantages such as control is effective, be a kind ofly suit measures to local conditions, economical and practical channel non-water passing slope ecological protection new technology, have important promotional value.
Description of drawings
Accompanying drawing 1 is a channel non-water passing slope seepage-intercepting and pollutant-removing system sectional drawing
Accompanying drawing 2 is a channel non-water passing slope seepage-intercepting and pollutant-removing system plan view
Accompanying drawing 3 is the seepage-intercepting and pollutant-removing system detail drawing
Among the figure: 1. channel non-water passing section inner slope, 2. grass planting bank protection band, 3. geotextiles, 4. coarse gravel, 5. bird's-eye gravel, 6. sand, 7. vegetation type ecological concrete, 8. restoration of the ecosystem plant, 9. ecological seepage interception ditch, 10. closed drain, 11. collecting well, 12. clash platform, the 13.PVC pipe, 14. the bird's-eye gravel filtrate, 15. geotextiles tyings, the 16. non-fine concrete boreholes wall, 17. the watertight concrete borehole wall, 18. raised platforms around a well, 19. well lids.
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing 1-accompanying drawing 3.
1, arranges grass planting bank protection band (2) along channel non-water passing section inner slope (1), according to domatic soil property situation, can adopt concrete grid grass planting, grass to irritate modes such as combination respectively, usually select the effective native country plant of drought-resistant barren, solid soil for use, also can select economic careless classes such as rye grass, alfalfa, form the first road barrier of water and soil conservation, pollution of area source control.
2, the toe along channel non-water passing section inner slope excavates the dark trapezoidal cross-section wide at the top and narrow at the bottom of 100cm downwards, geotextiles (3) is laid in the bottom, fill the thick 40cm of coarse gravel (4) of particle diameter 20-60mm from top to bottom successively, the thick 20cm of the bird's-eye gravel of particle diameter 2-20mm (5), thick 25cm of sand (6) and vegetation type ecological concrete (7), thickness is 15cm, and plantation restoration of the ecosystem plant (8), forms ecological seepage interception ditch (9).The restoration of the ecosystem plant has been tackled a silt in the slope runoff and a class attitude pollutant, and the water movement direction is changed, and major part is infiltrated to seepage interception ditch lower floor; In the current infitration process, the absorption of process root system of plant and matrix suction-operated can effectively reduce the solubilised state pollutant levels in the stream that seeps water down; The vegetation type ecological concrete provides necessary matrix for the growth of plant on the one hand, on the other hand, its high osmosis can be able to satisfy runoff and ooze under rapidly in very short distance, successively after the filtration by sand, gravel, pollutant in the former runoff progressively obtains removing, after following infiltration flows to and reaches the coarse gravel layer,, import collecting well (11) through closed drain (10) with the along continuous straight runs motion.
3, closed drain is the water stream channel that connects between ecological seepage interception ditch and the collecting well, be embedded in the following 80-100cm of platform (12) in an opposite direction, select waved plastic pipe or pvc pipe (13) for use, fill bird's-eye gravel filtrate (14) in the pipe, the entery and delivery port of pipe geotextiles tying (15).
4, collecting well is positioned at the close channel cross-section of river one side of platform in an opposite direction; be arranged in parallel with ecological seepage interception ditch, except that bearing the draining task of compiling ecological seepage flow ditch, can also effectively reduce water level under the canal hillside fields; reduce canal slope seepage deformation, prevent that simultaneously face source contact scar thing from entering channel with underground water.Collecting well internal diameter 60-80cm, spacing 50-80m, the degree of depth is selected according to local groundwater level, usually well depth 15-20m.The collecting well bottom is the non-fine concrete borehole wall (16), and top is the watertight concrete borehole wall (17), and the top is provided with raised platform around a well (18), cover well lid (19) back and clash tread and flush, when the WIH position reaches in the draining in limited time, the turn on pump pump drainage can be used as the iirigation water source of bank protection plant.

Claims (3)

1. the large channel non-water passing slope seepage-intercepting and pollutant-removing system comprises grass planting bank protection band, ecological seepage interception ditch, closed drain and collecting well four parts, it is characterized in that:
1) ecological seepage interception ditch is arranged in the close channel non-water passing section inner slope toe position of platform in an opposite direction, for wide at the top and narrow at the bottom trapezoidal, geotextiles is laid in the bottom, fills coarse gravel, bird's-eye gravel, sand, vegetation type ecological concrete from top to bottom successively, plants plant on concrete;
2) closed drain links to each other with ecological seepage interception ditch bottom, and entery and delivery port all with the geotextiles parcel, is filled the sandstone filtrate in the pipe; The closed drain outlet is arranged on the collecting well sidewall;
3) collecting well is positioned in an opposite direction that platform is arranged in parallel near the channel cross-section of river one side and ecological seepage interception ditch, and collecting well top is that the watertight concrete borehole wall, bottom are the non-fine concrete borehole wall.
2. according to claims 1 described large channel non-water passing slope seepage-intercepting and pollutant-removing system, it is characterized in that: closed drain is selected waved plastic pipe or pvc pipe for use.
3. according to claims 1 described large channel non-water passing slope seepage-intercepting and pollutant-removing system, it is characterized in that: the well depth 15-20m that catchments, internal diameter are 60-80cm, and spacing is 50-80m.
CN2009100279517A 2009-05-13 2009-05-13 Seepage-intercepting and pollutant-removing system of large channel non-water passing slope Expired - Fee Related CN101560757B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100279517A CN101560757B (en) 2009-05-13 2009-05-13 Seepage-intercepting and pollutant-removing system of large channel non-water passing slope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100279517A CN101560757B (en) 2009-05-13 2009-05-13 Seepage-intercepting and pollutant-removing system of large channel non-water passing slope

Publications (2)

Publication Number Publication Date
CN101560757A CN101560757A (en) 2009-10-21
CN101560757B true CN101560757B (en) 2010-09-01

Family

ID=41219715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009100279517A Expired - Fee Related CN101560757B (en) 2009-05-13 2009-05-13 Seepage-intercepting and pollutant-removing system of large channel non-water passing slope

Country Status (1)

Country Link
CN (1) CN101560757B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103161215A (en) * 2011-12-08 2013-06-19 中国科学院生态环境研究中心 Design and construction of village ecotype drainage system
CN102870651B (en) * 2012-09-21 2014-07-09 孙天虎 Underground water storage infiltrating irrigation system
CN103225329B (en) * 2013-04-15 2015-04-29 中国科学院南京土壤研究所 Water collecting and irrigating facility for dry-hot valley terrace field surface
CN103306294B (en) * 2013-07-08 2015-09-16 河海大学 A kind of intermountain prevents the collection rain cleaning system of rain drop erosion soil erosion
CN103628631B (en) * 2013-11-26 2016-02-10 东华理工大学 A kind of roof garden drainage device
CN104041380B (en) * 2014-06-11 2016-06-15 江南园林有限公司 The water circulation coupling system of water scenery and treegarden irrigation
CN105544696B (en) * 2016-01-20 2017-09-12 山东省水利科学研究院 A kind of domatic rush infiltration method that dams of Mountain Area water and soil conservation
CN105696647A (en) * 2016-03-31 2016-06-22 大连久鼎祥瑞特种工程技术研究院有限公司 Underground reservoir technology preventing seawater intrusion
CN108755654A (en) * 2018-06-07 2018-11-06 马松增 A kind of Mountain Area water and soil conservation slope surface, which is shut off, promotees infiltration method
CN109083162A (en) * 2018-08-21 2018-12-25 中国十七冶集团有限公司 A kind of infiltration Reinforcing High Slope ejectment system and construction method

Also Published As

Publication number Publication date
CN101560757A (en) 2009-10-21

Similar Documents

Publication Publication Date Title
CN101560757B (en) Seepage-intercepting and pollutant-removing system of large channel non-water passing slope
CN202031005U (en) Ecological drainage channel
CN106869237B (en) A kind of gardens rainwater-collecting water storage system and its construction method
US8877048B1 (en) Cascading system of floodway stormwater containment basins
US11047125B2 (en) Regenerative stormwater conveyance system and method
US9556048B1 (en) Chain filter system of micro wetland cells and method of forming same
CN108729326A (en) Self-purification drainage system for the strand highway construction of sponge city
CN106192665A (en) A kind of sponge urban road rain infiltration system and construction method thereof
CN102383408B (en) Greening method for high water level impermeable saline and alkaline lands and greening system
CN104047262A (en) Composite curtain wall for efficiently intercepting pollutants in farmland surface source
CN206359928U (en) Concave herbaceous field structure applied to road machine non-isolated band
CN202627002U (en) Tailing dam for river cutting type tailing pond water bursting section
Norman et al. Best management practices for reclaiming surface mines in Washington and Oregon
CN105862665B (en) The method in comprehensive treatment of small watersheds-reconstruction good farmland
CN206503213U (en) Scattered collection mating type waterproof and water drainage system for highway median strip
Ballard et al. Site handbook for the construction of SUDS
CN205242598U (en) Online ecological vegetation infiltration shallow ridges
CN109160677A (en) Pavement runoff ecological purification system
CN106759778A (en) For the scattered collection mating type waterproof and water drainage system of highway median strip
CN106555430A (en) Heat-extraction system is received in a kind of sponge type rain penetration
CN211420758U (en) Road drainage structure that drainage performance is high
CN211080099U (en) Ecological river bank protection
CN210797433U (en) Rainfall type landslide prevention and control structure based on sponge city concept
CN210085980U (en) Ecological protection structure of side natural high slope of pavement
CN212358351U (en) Foundation ditch is backfilled with falling drainage system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100901

Termination date: 20160513