CN102535416A - Floating connection device between soft barricade and hard reinforced dam in water area and manufacture method and application thereof - Google Patents
Floating connection device between soft barricade and hard reinforced dam in water area and manufacture method and application thereof Download PDFInfo
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- CN102535416A CN102535416A CN2012100231327A CN201210023132A CN102535416A CN 102535416 A CN102535416 A CN 102535416A CN 2012100231327 A CN2012100231327 A CN 2012100231327A CN 201210023132 A CN201210023132 A CN 201210023132A CN 102535416 A CN102535416 A CN 102535416A
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Abstract
The invention belongs to the technical field of ecological environment engineering and particularly relates to a floating connection device between a soft barricade and a hard reinforced dam and a manufacture method and application thereof, wherein the floating connection device is suitable for being used in a water area and is used for blocking algae and pollution and improving water quality. The floating connection device mainly comprises a concrete base, a D500 steel pipe, C-shaped section steel with inlayed rubber and L-shaped iron which are shown in an attached abstract figure. The device is stable in structure, achieves floating connection between the soft barricade and the hard reinforced dam in the water area, effectively enables a water body to be enclosed, adapts to natural conditions of storm, water flow, water level fluctuation and the like, improves an algae blocking effect of the soft barricade, isolates eutrophication polluted water areas, protects a water source and improves water quality.
Description
One, technical field
The invention belongs to the ecological environment field of engineering technology, be specifically related to a kind ofly be applicable to that being used to block algae in the waters cuts dirt, improves floating linkage and preparation method and application between soft enclosure and the hard bank protection of water quality.
Two, technical background
River, lake, reservoir, streams and wetland provide that major part is drunk, agricultural, health and industrial water use; Yet mankind's activity more and more frequent with having a deep effect on aquatic ecosystem; China's water environment eutrophication presents the trend of quickening deterioration, river, lake ecosystem serious degradation.Body eutrophication causes that the quick growth and breeding of algae forms " wawter bloom ", has caused disastrous consequence, and the undue growth breeding of control algae is the important content of water environment treatment and water head site protection aspect.Physics blocks the important measures that the algae technology is control algae, protection water quality; This method has obtained using widely at present; Yet,, how to realize keeping off the water body closing of the frontier control problem between algae enclosure and hard bank protection in the physically-isolated while; Guarantee is blocked algae and is cut dirty stability, needs a kind of new technical method to solve the problems referred to above.
Through patent retrieval; Existing patent comprises: designs such as Chen Yun peak 201020558986), the retaining algae enclosure of design such as the Zhang Fanghai (patent No.: 200520125530) and the soft enclosure technology of design such as the Hu Mengchun (patent No.: 200510040980) all be physical engineering technological means, reach the purpose of blocking algae, control algae block the algae enclosure band (patent No.: through enclosure retaining algae.Flexible soft enclosure technology can effectively be separated and opens wide water body; Tackle the water floating plant, reach greasy dirt or chemical industry residue, obviously isolate water body clear area and contaminated area, but also all have a common defective; Be that above enclosure technology fails to solve the closed question that is connected between enclosure member and shore bank hard bank protection; The retaining algae of enclosure cuts dirty poor stability, under stormy waves impacts, is prone to impel pollutant, algae seepage to backflow and in the clean water body, causes the pollution again of water body to the enclosure district.Therefore, design that the floating linkage is very important between a kind of soft enclosure and hard bank protection, this key problem in technology solves following problem: fixture structure is stable, convenient durable; Realize that soft enclosure is connected and boundary Control with sealing between the hard bank protection; Adapt to natural conditions such as stormy waves, current, fluctuation in stage; The optimization enclosure blocks algae and cuts dirt, improves the ecological functions of water quality.
Three, summary of the invention
The problem that the present invention need solve is:
Invent floating linkage between a kind of soft enclosure and hard bank protection that is applicable in the waters, and can be with SEA LEVEL VARIATION free floating, realize that soft enclosure is connected with sealing between the hard bank protection; Adapt to natural conditions such as stormy waves, current, fluctuation in stage; Optimize enclosure and block the function that algae cuts dirt, can be applicable to water head site water quality protection and eutrophication water ecological recovery engineering in the waters.
Technical scheme of the present invention is:
Floating linkage between soft enclosure according to the invention and hard bank protection is inlayed rubber and L sections spare four parts are formed by concrete pedestal, D500 steel pipe, C shaped steel.
This apparatus main body is that the hard bank protection outside uses the C25 Commercial Concrete to make up the concrete pedestal of 30 ° of the gradients in the lake; Adopt 42.5 Portland cements; Mud content is not more than 3% medium sand; Particle diameter 10～40mm, mud content are not more than 2% rubble and anti-dispersant drops into mixer, and carrying out mechanical agitation, to form the non-dispersible underwater concrete mixture subsequent use; Excavation pit sinks and puts reinforcing cage under water, and behind the members such as pre-buried C shaped steel, L shaped steel spare and D500 steel pipe, uses the catheter irrigation underwater concrete; Concrete pedestal divides two-layer, the wide 1.6m of lower floor, and high 0.5m is poured into lakebed, plays firm effect, the wide 0.8m in upper strata, the high 0.2m in the end rises and should be higher than flood level 0.5m, and pedestal length guarantees that by the decision of pedestal upper level pedestal is 30 ° of gentle slopes, sees accompanying drawing 1-2.
Parallel pre-buried D500 steel pipe on the concrete pedestal, parallel interval 6m, one group of D500 steel pipe of every 2m, concrete perfusion in the pipe, being provided with of parallel steel helps firm soft enclosure, prevents because of hydraulic pressure skew concrete pedestal; The groove of 20cm is left on the concrete pedestal upper strata, pre-buried C shaped steel in the groove, high 20cm; Wide 20cm, the 5cm opening is reserved at the top, and C shaped steel is anchored on the concrete pedestal through L sections spare; The long limit of ironware is 180mm, and minor face is 80mm, thickness 1.2 ~ 1.5mm; C shaped steel and L sections spare both sides preformed hole are used to wear bolt C shaped steel are connected with L sections spare, thus firm C shaped steel and concrete pedestal; Filled rubber is with the gabion of fixing soft enclosure in the C shaped steel slotted cavities, and soft enclosure is made up by log pile, double-deck acrylic fibers cloth, cylindrical ball float and gabion and forms, and acrylic fibers cloth top links cylindrical ball float; The bottom is by the gabion lakebed that sinks; Soft floating dam is realized blocking algae at a distance from the algae effect with fluctuation in stage thus, and the gabion size should be agreed with C shaped steel slotted cavities; Diameter 18cm is to guarantee to be connected in the slotted cavities; Finally, through this device, soft enclosure stretches through buoyancy, and gabion is heavy to be weighed down, and when floating along with the variation easy on and off of water level, makes up airtight water body with the hard bank protection, effectively isolates the eutrophication pollution waters, sees accompanying drawing 3-4.
The present invention compared with prior art its beneficial effect is:
Be applicable in the waters that the design of floating linkage is simple and clear between soft enclosure and hard bank protection; Make simply, workable, realize that soft enclosure and water body between the hard bank protection seal to be connected; Can connect design with the floating that SEA LEVEL VARIATION changes; Adapt to natural conditions such as stormy waves, current, fluctuation in stage, the reasonably optimizing enclosure blocks algae and cuts dirty function, purifies the ecological functions of improving water quality.Therefore this invention can be improved physics control algae technology in lake or the river channel ecology reinstatement works, promotes the development that soft enclosure is applied to the technology of water body reparation.
Four, description of drawings
Floating linkage vertical view between soft enclosure of Fig. 1 and hard bank protection
A: concrete pedestal; The B:D500 steel pipe; C:C shaped steel; D: cylindrical ball float; E: double-deck acrylic fibers cloth; F: gabion; G: rubber cover; H: lakebed.
Floating linkage plan view between soft enclosure of Fig. 2 and hard bank protection
A: concrete pedestal; The B:D500 steel pipe; C:C shaped steel; I: hard bank protection.
Floating linkage side view between soft enclosure of Fig. 3 and hard bank protection
A: concrete pedestal; D: cylindrical ball float; E: double-deck acrylic fibers cloth; F: gabion; H: lakebed; I: hard bank protection; J: log pile.
Floating linkage sectional drawing between soft enclosure of Fig. 4 and hard bank protection
A: concrete pedestal; The B:D500 steel pipe; C:C shaped steel; D: cylindrical ball float; E: double-deck acrylic fibers cloth; F: gabion; G: rubber cover; H: lakebed; K:L sections spare.
Five, the specific embodiment
Above-mentionedly be applicable in the waters practical implementation method of floating linkage between soft enclosure and hard bank protection: the actual geological mapping and the underground water survey data of job site carried out in (1); Take into full account hydrology geographical conditions; Recover factors such as waters SEA LEVEL VARIATION, the distribution of lakebed mud; Calculate the specification of adjustment floating linkage, measure unwrapping wire in view of the above, excavation pit; (2) according to the specification of suitable floating linkage, make reinforcing cage, and hang to foundation ditch.The hoisting point position of reinforcing cage, lifting method and fixing means should meet design and construction requirement.When install reinforcing cage, should aim at the foundation ditch center, and note not damaging the foundation pit walls face, should not insert reinforcing cage by force, in order to avoid reinforcing cage is out of shape or causes foundation ditch to cave in; (3) after reinforcing cage is gone in the hole, should be in 4h concrete perfusion.Pre-buried D500 steel pipe, C shaped steel are inlayed rubber and L sections spare anchoring composition in the reinforcing cage that places, and uniting conduit carries out underwater concreting; In the filling process, should note protecting the main muscle and the built-in fitting that expose not to be damaged; (4) concrete of cast is floating with spatula before the initial set, and carries out in the water standard curing 7-10 days; (5) and according to the peak level in waters suitable soft enclosure specification is set; In C shaped steel slotted cavities, place the gabion member of soft enclosure, use cement seal at the base portion of C shaped steel simultaneously, to prevent the gabion landing.
Case study on implementation
Wetland recovers in first stage of the project in ring Taihu Lake (bright river bend-Da Xi port), Wuxi in 2010; Totally 2357 mu of water surface areas; Be provided with floating linkage between above-mentioned soft enclosure and hard bank protection in the waters, three places, sub-port in yellow mud Tian Gang, Miao Gang, the ninth of the ten Heavenly Stems in the engineering district respectively, connect the hard bank protection and the soft enclosure in Taihu Lake, effectively separate and open wide water body with this; Prevent that water-surface blue-green algae, greasy dirt or chemical industry residue from assembling in the bank reed marsh of shore, reduce waters algae content in the district; Simultaneously, floating connects design, adapts to natural conditions such as stormy waves, current, fluctuation in stage, has increased the stability that algae cuts dirty function of blocking of soft enclosure.7-8 month water quality monitoring result shows in the engineering district, and engineering district inner chlorophyll content is 6.5mg/L during blue algae bloom, and phytoplankton density is 3,500,000/L; The transparency in waters is the highest, and outside the engineering district, chlorophyll content is up to 13.5mg/L; Reach phytoplankton density up to 1,320 ten thousand/L, apparatus of the present invention can be strengthened soft enclosure when water body eutrophication degree is serious in summer retaining algae cuts dirty effect, significantly reduces the algae density in the bank waters, shore; Purify water the protection water source.
Claims (3)
1. one kind is applicable in the waters floating linkage between soft enclosure and hard bank protection, it is characterized in that inlaying rubber and L sections spare is formed by concrete pedestal, D500 steel pipe, C shaped steel.
2. according to the said a kind of preparation method of floating linkage between soft enclosure and hard bank protection that is applicable in the waters of claim 1; It is characterized in that: 42.5 Portland cements are adopted in (1); Medium sand, rubble and anti-dispersant drop into mixer, and carrying out mechanical agitation, to form the non-dispersible underwater concrete mixture subsequent use; Excavation pit sinks and puts reinforcing cage under water, behind pre-buried C shaped steel, L shaped steel spare and D500 steel pipe, uses catheter irrigation underwater concrete pedestal; Concrete pedestal divides two-layer, the wide 1.6m of lower floor, and high 0.5m, the wide 0.8m in upper strata, the high 0.2m in the end rises and should be higher than flood level 0.5m, and length is determined by base height, is 30 ° of gentle slopes to guarantee pedestal; (2) parallel pre-buried D500 steel pipe on the concrete pedestal, parallel interval 6m, one group of D500 steel pipe of every 2m, concrete perfusion in the pipe, parallel steel is provided with and helps firm soft enclosure, prevents because of hydraulic pressure skew concrete pedestal; (3) groove of 20cm is left on the concrete pedestal upper strata, pre-buried C shaped steel, high 20cm; Wide 20cm, the 5cm opening is reserved at the top, and C shaped steel is 180mm through long limit; Minor face is 80mm, and thickness is that the L sections spare of 1.2 ~ 1.5mm is anchored on the concrete pedestal, C shaped steel and L sections spare both sides preformed hole; Be used to wear bolt C shaped steel is connected with L sections spare, firm C shaped steel and concrete pedestal; Filled rubber in the C shaped steel slotted cavities, the gabion parts of diameter 18cm in the soft enclosure of clamping, fixing soft enclosure.
3. according to the said a kind of floating linkage between soft enclosure and hard bank protection that is applicable in the waters of claim 1, in the river, the lake, the reservoir eutrophication water is handled or improve the application in water quality, the purified water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210023132.7A CN102535416B (en) | 2012-02-02 | 2012-02-02 | Floating connection device between soft barricade and hard reinforced dam in water area and manufacture method and application thereof |
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| CN201210023132.7A CN102535416B (en) | 2012-02-02 | 2012-02-02 | Floating connection device between soft barricade and hard reinforced dam in water area and manufacture method and application thereof |
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| CN102535416B CN102535416B (en) | 2014-05-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480189A (en) * | 2013-09-19 | 2014-01-01 | 广西玉林水利电力勘测设计研究院 | Reservoir separation treatment, filtration and purification device |
| CN108221891A (en) * | 2018-01-16 | 2018-06-29 | 中国科学院南京地理与湖泊研究所 | A kind of intelligence is blocked formula enclosure |
| CN109399800A (en) * | 2018-12-05 | 2019-03-01 | 中冶南方都市环保工程技术股份有限公司 | A kind of rivers and lakes runoff pollution step control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480189A (en) * | 2013-09-19 | 2014-01-01 | 广西玉林水利电力勘测设计研究院 | Reservoir separation treatment, filtration and purification device |
| CN108221891A (en) * | 2018-01-16 | 2018-06-29 | 中国科学院南京地理与湖泊研究所 | A kind of intelligence is blocked formula 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 |
| CN109399800A (en) * | 2018-12-05 | 2019-03-01 | 中冶南方都市环保工程技术股份有限公司 | A kind of rivers and lakes runoff pollution step control system |
| CN109399800B (en) * | 2018-12-05 | 2024-01-02 | 中冶南方都市环保工程技术股份有限公司 | River and lake runoff pollution cascade control system |
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| CN102535416B (en) | 2014-05-07 |
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