CN101158149B - Full-enclosed type flexible deepwater enclosure - Google Patents

Full-enclosed type flexible deepwater enclosure Download PDF

Info

Publication number
CN101158149B
CN101158149B CN200710024370A CN200710024370A CN101158149B CN 101158149 B CN101158149 B CN 101158149B CN 200710024370 A CN200710024370 A CN 200710024370A CN 200710024370 A CN200710024370 A CN 200710024370A CN 101158149 B CN101158149 B CN 101158149B
Authority
CN
China
Prior art keywords
water
enclosure
rope
wall paper
flexible
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
CN200710024370A
Other languages
Chinese (zh)
Other versions
CN101158149A (en
Inventor
李文朝
潘继征
冯慕华
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.)
Nanjing Institute of Geography and Limnology of CAS
Original Assignee
Nanjing Institute of Geography and Limnology of CAS
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 Nanjing Institute of Geography and Limnology of CAS filed Critical Nanjing Institute of Geography and Limnology of CAS
Priority to CN200710024370A priority Critical patent/CN101158149B/en
Publication of CN101158149A publication Critical patent/CN101158149A/en
Application granted granted Critical
Publication of CN101158149B publication Critical patent/CN101158149B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

A totally enclosed flexible deep water enclosure can effectively separate open water body. The main body comprises a flexible bar shape floating body, a cork rope, a wall cloth, a ground rope, and a stone dragon. The stone dragon is buried in a sealed close bottom end of a silt layer, and the flexible bar shape floating body floats on the water to form separation. A mooring cable is used for fixing the ground rope on two under water wood piles at two sides, preserving degree relaxation in the vertical and horizontal directions. An under water anchoring mooring cable, the ground rope, a wall cloth longitudinal stiffening rib, and the cork rope constitutes the network-shape mechanics structure of the enclosure. The flexible bar shape floating body uses a flue to wrap a flexible closed-hole foam plastic strip, and the outside is protected by a changeable coating for structural durability. The enclosure subsections are connected by zipper fashion blanket stitches, convenient for processing, transportation, installation, dissembling, maintenance, and reuse, and can be used for contemporary separation of part water areas of the open water body, such as the boundary control of water surface project area, the separation and diversion of polluted water mass. The invention is suitable for natural conditions such as deep water (10m above), storm, water current, water level fluctuating, with the service life of 5-10 years.

Description

Full-enclosed type flexible deepwater enclosure
Affiliated technical field:
Water body environment engineering, auxiliary (environmental protection) engineering of water project.The present invention relates to a kind of full-enclosed type flexible deepwater enclosure, be applicable to the provisional separation of landlocked low flow rate water body (lake, reservoir, plain tract), as the isolation of locality polluted water region, the boundary Control in over-water construction district, the boundary Control of water surface purification of water quality engineering etc.
Background technology:
At present, the low provisional separation engineering of flow rate water body in known inland has following several: (1) provisional Xu Di, assemble or form with the sandy soil bag with geotechnique's bag hydraulic reclamation, be applicable to shallow water (being generally less than 3m), building and remove cost increases along with depth of water increase is index, need a large amount of sandy soil of carrying, on-site construction time is longer; (2) the rigid body skeleton supports the shallow water enclosure of membranous water proof material, is applicable to that depth of water 2m is with interior small-sized static water body; (3) the floating enclosure of epiliminion (non-enclosed) is mainly used in the diffusive migration of controlling floatability pollutant (oil, blue-green algae etc.), and isolation performance is relatively poor, and 2000-2004 is used to isolate the blue-green algae poor effect in the Dian Chi; (4) full-enclosed type flexible shallow water enclosure, extensively be suitable at shallow lake or phytal zone, littoral zone, be generally limited in the 3m depth of water, fragile when meeting the high wind wave, the rigidity buoyancy aid of segmentation (rigid foam cylinder) galls the bag quilt easily, and the joint isolation is relatively poor, and be no more than 3 years overall application life, 2002-2005 is used for Border Protection in the TAIHU LAKE source region, suffers the serious damage of stormy waves.So far still lack and be applicable to that open water (the stormy waves wave height is greater than 1m) profundal zone (more than the 5m) Acceptable life is at the full-enclosed type flexible enclosure more than 5 years.
Summary of the invention:
Target of the present invention is: the research and development full-enclosed type flexible deepwater enclosure, can adapt to lake surface stormy waves, current, water level spontaneous fluctuation, deep water natural conditions such as (more than the 10m), and can effectively separate water body, scale is not limit, and life-span 5-10 is easy to maintenance management.For this reason, must solve following technical problem.
◆ adapt to deep water conditions, the suitable depth of water reaches more than the 10m.
◆ adapt to stormy waves and water impact.
◆ totally enclosed type is effectively isolated (but not bearing significant water-head)
◆ the above easily ease for maintenance of aging part of the water surface.
◆ reach 5-10 application life.
For solving above technical problem and reaching the research and development target, taked following technical scheme.
(1) overall flexibility structure
The whole flexible structure that adopts of full-enclosed type flexible deepwater enclosure is with the impact that adapts to stormy waves, current and increase the service life.Enclosure is sewed up by stone dragon, wall paper, bar-shaped buoyancy aid three parts and formed (accompanying drawing 1): Shi Long 7 usefulness have knot polythene fishing net parcel cobble to form, arbitrarily bending and can not damaging; Wall paper 5 adopts the high density waterproof chemical ﹠ blended fabric, and vertical, horizontal stretching resistance is strong, and the diagonal distortion adaptive capacity is stronger; Bar-shaped buoyancy aid 3 adopts knot polythene fishing net parcel fine strip shape closed cell foamed plastic Shu Ercheng, and closed cell foamed plastic bar arrangement bunchy straggly (diameter designs as required) forms the flexible continuous bar-shaped buoyancy aid with certain intensity; Stone dragon 7 is sewed up with wall paper 5 lower ends, and seam crossing adds infraclass rope 6 (polyethylene rope); Bar-shaped buoyancy aid 3 is sewed up with wall paper 5 upper ends, additional rope 4 (polyethylene ropes) of raising to the higher plane of principle of seam crossing.
When highly designing, consider the factors such as top layer water body motion that water body 2 depth H, soft mud depth D, stormy waves (wavelength L) cause simultaneously, and reserve the slackness more than 1.2, enclosure height=1.2 (H+D+L/2); When laying, reserve the transverse relaxation degree more than 1.2.
During installation the stone dragon 7 of enclosure lower end is imbedded in the lakebed mud 1, and beaten timber 8 (immerse oneself in stake), establish 9 tensions of grappling hawser to both sides timber 8, reach purpose fixing and sealing from infraclass rope 6 at the both sides lakebed.The bar-shaped buoyancy aid 3 of enclosure wall paper 5 and upper end can freely swing with stormy waves and current in water body 2.
Full flexible structure, vertical and horizontal slackness, add that the bottom fixes, can guarantee that enclosure is in " relax " state fully in water body, leave the adequate space of adaptation stormy waves and current.
(2) network-like mechanical structure
The netted mechanical structure of enclosure (accompanying drawing 2) is made of water-bed grappling hawser 9, infraclass rope 6, wall paper waling 10, the rope 4 of raising to the higher plane of principle, and makes that enclosure is tough and possesses good adaptation deformation characteristic.Wall paper waling 10 is the high-strength nylon band, vertically makes to be fixed on the wall paper 5, and firmly rivet with raise to the higher plane of principle rope 4 and infraclass rope 6 respectively at two ends.The 9 one end colligations of lakebed grappling hawser are fixed on wall paper waling 10 and infraclass rope 6 junctions, and anchorage force is directly passed to wall paper waling 10, and pass to the rope 4 of raising to the higher plane of principle in turn.When stormy waves and flow action during in buoyancy aid 3 and wall paper 5, wall paper waling 10 and lakebed grappling hawser 9 have born all strength.
(3) the bar-shaped buoyancy aid protection bag quilt of easy care
The underwater portion of enclosure is durable in use, is subjected to solar radiation easily aging damaged for a long time but be exposed to the above buoyancy aid of the water surface.For addressing this problem, designed the bar-shaped buoyancy aid protection bag quilt (accompanying drawing 3) that is easy to change.Protect bag and made, form by two wing diaphragms 14 and a covering diaphragm 16 of the PVC leather.The lower end of two wing diaphragms 14 is made with suture 15 and is fixed on both sides, wall paper 5 upper end, and each makes a call to a round free end; Cover diaphragm 16 and cover on the bar-shaped buoyancy aid 3, each makes a call to a round both sides of the edge, sews up 17 with the round wire rope handling of cord and wing diaphragm 14 free margins, forms protection bag quilt.The width of wing diaphragm 14 will guarantee that it is below the water surface and be convenient to the colligation operation.
When aged deterioration appears in the covering diaphragm 16 of protection bag quilt, untie the stitching rope 17 of both sides, the covering diaphragm that more renews.So simple-to-maintain can effectively be protected bar-shaped buoyancy aid 3, prolongs the application life of whole enclosure.
(4) " zip mode " is longitudinal spliced
Deepwater enclosure wall paper area is very big, and considers maintenance issues, must take on-the-spot splicing, and seam crossing is easy to take apart.Taked the longitudinal spliced scheme of good sealing performance zip mode (accompanying drawing 4); sticking mouthful 18 overlap joint of nylon adopted in the joint of two blocks of wall papers 5; make sealing ala 19 and reinforcement ala 20 (material, direction identical) with wall paper in overlapping the slot both sides, wall paper 5 two sides; the sticking mouthful overlapping the slot of the sealing ala 19 interlaced covering nylon of both sides; the reinforcement ala 20 of both sides is sewed up to bear pulling force by 21 wire rope handlings of boring a hole, and the two sides protection forms good isolation effect and mechanical strength.
The present invention mainly contains following advantage:
(1) overall flexibility structure and network-like mechanical structure make enclosure possess enough intensity and pliability, can be to adapt to natural conditions such as the deep water of opening wide water body, stormy waves, current, fluctuation in stage;
(2) the protection bag of flexible bar-shaped buoyancy aid and easy care replacing has been solved the water surface with the aging damaging problem in top, has prolonged the whole service life of enclosure;
(3) " zip mode " longitudinal spliced enclosure that makes is spliced by some unit, even (width is big) its length can design arbitrarily as required under depth conditions, and can segmentation disassemble reparation when meeting accident breakage, can also reclaim and reuse;
(4) the suitable depth of water of the present invention has surpassed 10m, and Acceptable life has reached 5-10.
Applicating example:
The present invention was able to scale in 2004 and uses (accompanying drawing 5) in Yuxi nebula lake, Yunnan Province " every river sluicing blue-green algae removal emergency work ".This project is utilized the nebula lake to build blue-green algae every the 20 hectares of waters surface in river mouth and is removed engineering, full-enclosed type flexible deepwater enclosure is used to border, Control Engineering district (Border Protection enclosure 26), the current exchange of isolated estuarine works district and lake surface, and inhibition is from the impact to the engineering district of the stormy waves of lake surface.This Border Protection enclosure total length 1300m, maximum water depth 11m, being divided into is 26 sections, finishes by land and directly installs on lake surface (by means of area 90m after making 2Floating platform).15 days installation phases, build up in April, 2004, and safe operation always till now, and is still excellent.This project 2005 is by checking and accepting, and identifies by technological achievement in 2007, and authorized the scientific and technological progress first prize by Yuxi.This Border Protection enclosure is " removing emergency work every river sluicing blue-green algae " is able to smooth implementation at nebula lake water face basic guarantee.
The present invention is also used in " littoral zone, Dian Chi ecological reestablishment demonstration project "; wash away strong littoral zone, northeast at stormy waves and be used to protect 760 long borders, restoration of the ecosystem district; prevent that floatability blue-green algae and sewage are to repairing the influence in district; successful operation 2 anniversaries, ensured the smooth construction of this demonstration project.
Description of drawings:
Fig. 1---full-enclosed type flexible deepwater enclosure overall structure figure
(a) flexible deepwater enclosure cross-sectional drawing
(b) flexible deepwater enclosure side view
Fig. 2---network-like mechanical structure figure
Fig. 3---flexible bar-shaped buoyancy aid and protection bag are by structure chart
(a) bar-shaped buoyancy aid cross-sectional drawing
(b) protection bag by structure and with being connected of wall paper
Fig. 4---" zip mode " longitudinal spliced figure
(a) longitudinal spliced seam is finished figure
(b) one-sided splicing mouth structure
(c) two sides splicing mouth connecting method
Fig. 5---full-enclosed type flexible deepwater enclosure is the application in river mouth blue-green algae pollution control engineering in the nebula lake
Among the figure: 1. soft under water mud, 2. water body, 3. flexible bar-shaped buoyancy aid, 4. raise to the higher plane of principle and restrict, 5. wall paper, 6. infraclass rope, 7. stone dragon, 8. timber, 9. grappling hawser, 10. nylon tape reinforcing rib, 11. flexible closed cell foamed plastic bar, 12. polythene net bag quilts, the little guiding principle rope of 13. buoyancy aids, 14. wing diaphragm, 15. wing diaphragm and wall paper anchor suture, 16. cover diaphragm, 17. wing diaphragms and covering diaphragm punching wire rope handling suture, 18. sticking mouthful of nylon, 19. the sealing ala, 20. strengthen ala, and 21. strengthen ala wire rope handling sewing hole, 22. sealing ala and the anchor suture of reinforcement ala on wall paper, 23. the wire rope handling suture that the both sides strengthening wing is intermembranous, 24. nebula lake strandlines, 25. every river mouth, 26. Border Protection enclosure (full-enclosed type flexible deepwater enclosure), 27. purification of water quality facilities.
The specific embodiment:
The present invention carries out engineering according to following steps and uses:
1. the making of critical piece
(1) wall paper is made.According to design size and material requirement, wall paper is made in segmentation, and every section length is decided on width and material, and weight should not surpass 200kg.Wall paper is used the commercial cloth flush joint splicing along its length of broad as far as possible; " zip mode " spelling joint (accompanying drawing 4) is made at two ends at every section wall paper; The nylon reinforcing rib is adhered to flush joint on the design position, and two is respectively reserved 300mm and is used on upper and lower guiding principle rope fixing; Make the ala of flexible bar-shaped buoyancy aid protection bag quilt in advance at the top edge of wall paper.
(2) flexible bar-shaped buoyancy aid is made.The flexible closed-cell foamed plastics plate of thickness 50mm is cut into the rectangular of width 50mm, be bundled into bundle according to the intended diameter assembly, have the knot fishing net to make the bag quilt with polyethylene outward, bag is sewed up along bar-shaped length of floating body direction, and polyethylene rope is respectively worn so that be connected with other parts in the seam both sides.
(3) Shi Long makes.According to intended diameter, there is knot fishing net bag to assist cobble to be sewn into Shi Long with stone dragon polyethylene, bag is sewed up along excellent stone dragon length direction, and polyethylene rope is respectively worn so that be connected with other parts in the seam both sides.
2. install and lay
(1) assembling.Critical piece and other material of making are transported on the unsteady working platform that is docked in the infield, launch first section wall paper, its top edge is fixing with the polyethylene rope seam knot on raise to the higher plane of principle rope and the bar-shaped buoyancy aid, with the polyethylene rope seam knot of its lower limb and infraclass rope and Shi Longshang fixing (wall paper is the slackness more than 1.2 with respect to infraclass rope and the reservation of stone dragon), nylon reinforcing rib two ends are separately fixed at, on the infraclass rope, and at the node place of infraclass rope and each nylon reinforcing rib installation grappling hawser (each one of enclosure both sides), hawser is reserved enough length (greater than the depth of water), and ties with float in the end.Second section wall paper and first section wall paper are carried out " zip mode " splicing, finish with the seam knot of other parts fixing according to the same manner.So repeat, finish the assembling of whole piece enclosure.
(2) lay.The enclosure initiating terminal that assembles is placed on design attitude, beats timber in enclosure end position, the infraclass fag end is fixed on the timber base portion, the headline fag end is fixed on timber peak level height, and wall paper end punching wire rope handling is fixed on the timber.The grappling hawser of enclosure infraclass rope both sides is tied up on the timber, timber is squeezed into (the timber top is lower than the bottom) in the water-bed mud, keep the tensioning of grappling hawser with underwater pile diver.According to the assembling process, lay enclosure in turn and finish water-bed fixing.Fixing of enclosure end is identical with initiating terminal.
(3) encapsulation process between two ends and the water body bunding.The enclosure two ends generally are connected with the water body bunding, and water is more shallow herein, and to wash away substrate harder because of stormy waves, in the following ways encapsulation process: lean on bunding and build a knoll with sandbag, the enclosure end clips is embedded in the knoll, closely around the knoll play the timber protection.
3. remove
The program of removing just needs lifting appliance and diving personnel to cooperate with opposite with erection procedure basically, pulls out water-bed fixedly timber, lifts by crane the grappling hawser in turn, and enclosure integral body is pulled on floating platform, and row is disassembled again.

Claims (4)

1. full-enclosed type flexible deepwater enclosure, main body is made up of the bar-shaped buoyancy aid of flexibility (3), raise to the higher plane of principle rope (4), wall paper (5), infraclass rope (6), Shi Long (7), described stone dragon (7) is with there being knot polythene fishing net parcel cobble to form, described wall paper (5) adopts the high density waterproof chemical ﹠ blended fabric, and the bar-shaped buoyancy aid of described flexibility (3) adopts knot polythene fishing net parcel fine strip shape closed cell foamed plastic Shu Ercheng; Flexible bar-shaped buoyancy aid (3) is sewed up with wall paper (5) upper end, the additional rope (4) of raising to the higher plane of principle of seam crossing, Shi Long (7) sews up with wall paper (5) lower end, and seam crossing adds infraclass rope (6), Shi Long (7) imbeds mud (1) sealing, and infraclass rope (6) is fixed on the water-bed timber (8) with grappling hawser (9); Enclosure divides some paragraphs to connect with " zip mode " splicing seams, promptly adopt sticking mouthful of (18) overlap joint of nylon in the joint of wall paper (5), make sealing ala (19) in overlapping the slot both sides, wall paper (5) two sides and strengthen ala (20), the sticking mouthful overlapping the slot of the interlaced covering nylon of sealing ala (19) of both sides, the reinforcement ala (20) of both sides is sewed up by perforation (21) wire rope handling, enclosure can adapt to the above deep water of the 10m that opens wide water body, stormy waves, current, fluctuation in stage natural conditions, effectively separate totally-enclosed water body, application life 5-10.
2. full-enclosed type flexible deepwater enclosure according to claim 1, it is characterized in that: enclosure is whole full flexible structure, be designed to the vertical slackness of enclosure height=1.2 (H+D+L/2), wherein water depth is H, the soft mud degree of depth is D, the stormy waves wavelength is L, and during laying, horizontal slackness of reservation and bottom are fixed.
3. full-enclosed type flexible deepwater enclosure according to claim 1, it is characterized in that: wall paper waling (10) is vertically made and is fixed on the wall paper (5), firmly rivet with raise to the higher plane of principle rope (4) and infraclass rope (6) respectively at two ends, and (9) the one end colligations of grappling hawser are fixed on wall paper waling (10) and infraclass rope (6) junction.
4. full-enclosed type flexible deepwater enclosure according to claim 1, it is characterized in that: flexible bar-shaped buoyancy aid (3) design has protection bag quilt, the protection bag is made of the PVC leather, form by two wing diaphragms (14) and a covering diaphragm (16), the lower end of two wing diaphragms (14) is made with suture and is fixed on both sides, wall paper (5) upper end, each makes a call to a round free end, covering diaphragm (16) covers on the bar-shaped buoyancy aid (3), each makes a call to a round both sides of the edge, sew up with cord and the free-ended round wire rope handling of wing diaphragm (14), form protection bag quilt.
CN200710024370A 2007-06-15 2007-06-15 Full-enclosed type flexible deepwater enclosure Expired - Fee Related CN101158149B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200710024370A CN101158149B (en) 2007-06-15 2007-06-15 Full-enclosed type flexible deepwater enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200710024370A CN101158149B (en) 2007-06-15 2007-06-15 Full-enclosed type flexible deepwater enclosure

Publications (2)

Publication Number Publication Date
CN101158149A CN101158149A (en) 2008-04-09
CN101158149B true CN101158149B (en) 2010-05-19

Family

ID=39306372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200710024370A Expired - Fee Related CN101158149B (en) 2007-06-15 2007-06-15 Full-enclosed type flexible deepwater enclosure

Country Status (1)

Country Link
CN (1) CN101158149B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113585156A (en) * 2021-07-30 2021-11-02 长江水利委员会长江科学院 Lifting type floating enclosure device with detachable bottom

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102175824A (en) * 2010-12-10 2011-09-07 刘录三 Automatic height-adjustment lake ecological experimental enclosure with siphon sampling function
CN102587317B (en) * 2012-02-02 2014-08-27 南京大学 Composite ecological component for weakening waves and controlling, stopping and guiding algae, manufacturing method and application thereof
CN102535416B (en) * 2012-02-02 2014-05-07 南京大学 Floating connection device between soft barricade and hard reinforced dam in water area and manufacture method and application thereof
CN102704436B (en) * 2012-06-07 2014-08-27 中国水产科学研究院黄海水产研究所 Suspended field enclosure experiment system and installation method thereof
CN103469766B (en) * 2013-10-10 2015-07-08 新疆水利水电科学研究院 Method for connecting rigid body and flexible body of dam foundation of reservoir
CN104141284B (en) * 2014-08-13 2015-05-20 江苏省南京市航道管理处 Antifouling method for dredged mud in construction of water dredging engineering
CN104176829B (en) * 2014-08-25 2016-05-25 郑丙辉 Administer large system control method and the device of shallow lake water ecological environment
CN105350505A (en) * 2015-11-02 2016-02-24 中国科学院南京地理与湖泊研究所 Intelligent flexible enclosure device
CN105803996B (en) * 2016-04-01 2018-06-26 中国科学院水生生物研究所 A kind of wind and wave resistance Experimental Enclosure
CN105839583B (en) * 2016-04-01 2018-08-17 中国科学院水生生物研究所 A method of structure Ecology experimental situation in situ
CN107313396B (en) * 2017-08-14 2019-10-15 阮霞伟 A kind of environment-friendly type lake isolating device
CN107882000B (en) * 2017-12-18 2023-11-21 中国科学院南京地理与湖泊研究所 Algae blocking and placing enclosure
CN108221891B (en) * 2018-01-16 2023-08-18 中国科学院南京地理与湖泊研究所 Intelligent blocking type enclosure
CN108396716B (en) * 2018-01-16 2023-07-25 中国科学院南京地理与湖泊研究所 Aquatic water conservancy diversion enclosure
CN108203971B (en) * 2018-01-16 2023-08-18 南京清中环境技术有限公司 Intelligent enclosure algae blocking system
CN111088789A (en) * 2019-12-10 2020-05-01 浙江工业大学 Rapid-splicing geotextile tube bag and using method thereof
CN112746595B (en) * 2020-11-18 2022-10-25 中国电建集团中南勘测设计研究院有限公司 River course enclosure sewage interception treatment system and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2518900Y (en) * 2001-11-14 2002-10-30 高德敏 Water wall barrier for mass of water
CN2518899Y (en) * 2001-09-28 2002-10-30 高德敏 Water mass barrier
CN2576793Y (en) * 2002-10-16 2003-10-01 天津航道勘察设计研究院 Device for preventing suspension from diffusing in dredging construction
CN1458344A (en) * 2003-05-14 2003-11-26 杨树清 Anti-pollution and pollution reducing method for large water area
CN2844219Y (en) * 2005-12-02 2006-12-06 青岛华海环保工业有限公司 Algae-blocking closing rail

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2518899Y (en) * 2001-09-28 2002-10-30 高德敏 Water mass barrier
CN2518900Y (en) * 2001-11-14 2002-10-30 高德敏 Water wall barrier for mass of water
CN2576793Y (en) * 2002-10-16 2003-10-01 天津航道勘察设计研究院 Device for preventing suspension from diffusing in dredging construction
CN1458344A (en) * 2003-05-14 2003-11-26 杨树清 Anti-pollution and pollution reducing method for large water area
CN2844219Y (en) * 2005-12-02 2006-12-06 青岛华海环保工业有限公司 Algae-blocking closing rail

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP平7-243211A 1995.09.19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113585156A (en) * 2021-07-30 2021-11-02 长江水利委员会长江科学院 Lifting type floating enclosure device with detachable bottom

Also Published As

Publication number Publication date
CN101158149A (en) 2008-04-09

Similar Documents

Publication Publication Date Title
CN101158149B (en) Full-enclosed type flexible deepwater enclosure
US4171174A (en) System for depositing and protecting sand and other littoral draft material
US20090297270A1 (en) Artificial reef and a method of constructing an artificial reef
CA3011522A1 (en) Nonfloating oil fence boom
US3563037A (en) Minimizing scouring action in water flow channels
CN103306238A (en) Structure and connecting and construction method for buoyancy dam type emergency water retaining small dike
JP3823273B2 (en) Float body sheet
CN217536965U (en) Self-floating assembly type filling operation platform for soil engineering pipe bag
JP2003278137A (en) Floating body type gate device
CN104652403B (en) One geotextiles lapped layup method under water
CN100366825C (en) Suspension sand-trap mud-filtering water protecting device
CN113585156A (en) Lifting type floating enclosure device with detachable bottom
KR20130012895A (en) Techlaport block united in port or coastal area
RU170657U1 (en) REVETMENT
JPS615109A (en) Laying method of impervious sheet in closed wate area
CN108797515B (en) Movable buoyancy type membrane structure water retaining dam and application method thereof
US20150225915A1 (en) Device and Method for Keeping Channels Clear of Silt
JP2005351073A (en) Antipollution membrane device
JP3738101B2 (en) Water bottom laying sheet
JP7345701B1 (en) How to remove the scour prevention unit
CN219513760U (en) Submarine flexible pipe cable crossing protection device
AU2009270331B2 (en) System and method for mitigating evaporation from reservoirs
JPH067047Y2 (en) Cover sheet for reclaimed seawall
RU2226586C2 (en) Anti-erosion bed revetment and building method thereof
JP2000054341A (en) Construction of drainage layer in stabilizing method of sandy beach

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
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100519

Termination date: 20130615