CN103628451B - Impervious watertight structure in hydraulic engineering - Google Patents
Impervious watertight structure in hydraulic engineering Download PDFInfo
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- CN103628451B CN103628451B CN201310546889.9A CN201310546889A CN103628451B CN 103628451 B CN103628451 B CN 103628451B CN 201310546889 A CN201310546889 A CN 201310546889A CN 103628451 B CN103628451 B CN 103628451B
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Abstract
The present invention relates to the impervious watertight structure in a kind of hydraulic engineering, including dam body, be provided with in described dam body obstructing surface side and extend to the notch cuttype dam body seepage layer at the bottom of dam from dam crest；Seepage prevention of dam founda layer it is provided with in the dam foundation bottom dam body；And between described seepage prevention of dam founda layer and notch cuttype dam body seepage layer, it is provided with antiseepage articulamentum；Described seepage prevention of dam founda layer is the combinative structure of concrete cut and grout curtain.The present invention by be provided with in dam body obstructing surface side from dam crest extend to the notch cuttype dam body seepage layer at the bottom of dam can effectively anti-water-stop body to the infiltration on dam body surface, wash away and corrasion.And the seepage prevention of dam founda layer impervious watertight structure arranged in the dam foundation, can be effectively prevented in dam the seepage of water.Thus ensure that whole dam and basic barrier properties and durability.
Description
Technical field
The invention belongs to the technical field of water seepage prevention, more particularly, it relates to a kind of impervious watertight structure being applied in rockfill dam project.
Background technology
Dam, is that block rivers ditch water flow is with raising of water level or the water retaining structure regulating flow.That builds dam is intended primarily for raising of water level, regulated flow, concentration head, for flood control, water supply, irrigation, hydroelectric generation, improves shipping etc..Additionally adjust river gesture, protection bank bed river regulating structure also referred to as dam, such as groynes, longitudinal dike and ground sills etc..
Adopt local material to build the construction of dam with a long history, have gather materials on the spot, the advantage such as geological conditions requirement is low, easy construction, low cost, be widely adopted, and there is abundant design, construction and operational management experience.Generally, the antiseepage of dam includes Foundation Anti-seepage and dam body seepage.Foundation Anti-seepage usually arranges Foundation Anti-seepage facility in the bottom of dam body with the binding site of the dam foundation, and Foundation Anti-seepage facility is generally made up of the concrete connecting plate being directly built on batholith or cover layer basis, concrete pedestal or concrete toe board etc. and cut-pff wall and grouting body；The widely used calculous soil material of Rockfill Dam impervious material, concrete slab, bituminous concrete, geomembrane, geotechnique plant etc., the impervious material building the selection of high rock-fill dams on deep covering layer is limited, the stress of cut-pff wall accurately cannot calculate by existing theory, and usually the antiseepage of material requirements height dam body is arranged on the upstream face of dam body face slab for water retaining.And for the anti-ripple wave resistance dykes and dams arranged in coastal area, in addition it is also necessary to face antagonism sea water intrusion and the problem of marine organisms attachment and growth destruction.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide the impervious watertight structure in a kind of hydraulic engineering.
To achieve these goals, present invention employs techniques below scheme:
Impervious watertight structure in a kind of hydraulic engineering, including dam body, is provided with in described dam body obstructing surface side and extends to the notch cuttype dam body seepage layer at the bottom of dam from dam crest；Seepage prevention of dam founda layer it is provided with in the dam foundation bottom dam body；And between described seepage prevention of dam founda layer and notch cuttype dam body seepage layer, it is provided with antiseepage articulamentum；Described seepage prevention of dam founda layer is the combinative structure of concrete cut and grout curtain.
Wherein, described antiseepage articulamentum is armored concrete toe board, armored concrete connecting plate or reinforced concrete plinth.
Technical scheme has the advantages that compared to existing technology
The present invention by be provided with in dam body obstructing surface side from dam crest extend to the notch cuttype dam body seepage layer at the bottom of dam can effectively anti-water-stop body to the infiltration on dam body surface, wash away, corrode and corrasion.And the seepage prevention of dam founda layer impervious watertight structure arranged in the dam foundation, can be effectively prevented in dam the seepage of water.Thus ensure that whole dam and basic barrier properties and durability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the impervious watertight structure in hydraulic engineering of the present invention.
Detailed description of the invention
Below with reference to specific embodiment, the impervious watertight structure in hydraulic engineering of the present invention and function are further elaborated, to help those skilled in the art that the inventive concept of the present invention, technical scheme are had more complete, accurate and deep understanding.
Embodiment 1
As shown in Figure 1, the impervious watertight structure in hydraulic engineering described in the present embodiment, it is mainly used in the breakwater dam of coastal area, it includes dam body 10, is provided with in described dam body 10 obstructing surface side and extends to the notch cuttype dam body seepage layer 20 at the bottom of dam from dam crest；Seepage prevention of dam founda layer 40 it is provided with in the dam foundation bottom dam body；And between described seepage prevention of dam founda layer 40 and notch cuttype dam body seepage layer 20, it is provided with antiseepage articulamentum 30；Described seepage prevention of dam founda layer 40 is the combinative structure of concrete cut 41 and grout curtain 42.Wherein, described antiseepage articulamentum 30 is armored concrete toe board, armored concrete connecting plate or reinforced concrete plinth.
Wherein, described dam body seepage layer adopts the concrete material of antiseepage anti scuffing, and described concrete material includes: the portland cement of the quartz sand of 15 ~ 18wt%, the flyash of 12 ~ 18wt%, the Gypsum Fibrosum of 5 ~ 8wt%, the calcined diatomite of 5 ~ 8wt%, the micaceous iron oxide of 3 ~ 5wt%, the methyl etherified melamine resin of 1.2 ~ 1.5wt%, the cresol novolak type epoxy resin of 0.8 ~ 1.2wt%, the naphthalene water reducer of 0.5 ~ 0.8wt%, the N-TSIM of 0.8 ~ 1.2wt% and surplus.Described concrete material is tested: comprcssive strength >=58MPa, impact resistance >=17.8KJ/m2, the aging intensity >=48MPa of 800h, coefficient of imperviousness >=25.8, anti-abrasion strength >=10.5hm2/ Kg.Particularly in described concrete material passes through the appropriate methyl etherified melamine resin of interpolation, cresol novolak type epoxy resin and N-TSIM, the impact resistance of material can not only be improved by the synergism of three, and described material corrosion resistance in the seawater can also be significantly improved；Contrast experiment show by the concrete material adding above-mentioned three kinds of components with without compared with, the corrosion resistance index in the Seawater of the coastal region in east China can bring up to 1.02 from 0.85.Visible, above-mentioned concrete material product not only has the antiseepage of excellence, anti-erosion performance, and the performance of resisting sea water erosion also significantly improves, and is particularly suitable as maritime concrete materials'use.
Additionally, in order to prevent marine organisms to be attached to dam body superficial growth, the surface of concrete at described dam body seepage layer is also coated with antifouling paint, and the thickness of coating is 300-800 μm.Described antifouling paint includes: the polyurethane elastomer resins of the bisphenol A type epoxy resin of 22 ~ 25wt%, the urethane-modified epoxy resin of 15 ~ 20wt%, the epoxy modified silicone resin of 15 ~ 20wt%, the isophorone diamine of 3 ~ 5wt%, the silicon dioxide of 5 ~ 8wt% and surplus.Described antifouling paint is excellent with the cohesive of concrete material substrate surface, it is possible to the excellent anti-corrosive properties of long-time performance and soil resistance.
Wherein, in order to prevent the reinforcement corrosion in antiseepage articulamentum, and its service life is improved.Rebar surface described in described antiseepage articulamentum is coated with corrosion resistance coating.Described corrosion resistance coating contains the isopropanol of 15 ~ 25wt% methyl acrylate, the cumarone resin of 15 ~ 20wt%, the bisphenol A type epoxy resin of 12-18wt%, the polyvinyl pyrrolidone of 2.2 ~ 2.5wt%, 0.8-1.5wt% poly-alkoxylation terpenes, the Ethyl methyl carbonate of 12 ~ 15wt% and surplus.Described corrosion resistance coating can spray to the rebar surface after rust cleaning by the method for conventional spraying method such as thermal spraying or dynamic spraying, and coating layer thickness is preferably 3 ~ 8mm.Described corrosion resistance coating has weather-proof, the water resistance of excellence, it is possible to is applied to chloride ion and the higher coastal area of sulfate ion concentration, and can resist the adverse circumstances of alternation of wetting and drying.
In certain coastal area, adopt the breakwater dam (being highly 22.5 meters) that impervious watertight structure of the present invention is built to use and already more than 2 years, dam body surface is still intact, it does not have crackle or obscission occur, attached thereto also without visually observed Marine microorganism；And seepage prevention of dam founda articulamentum and seepage prevention of dam founda layer are also without exceptional leakage phenomenon occur.
For the ordinary skill in the art; the present invention is simply exemplarily described by specific embodiment in conjunction with accompanying drawing; the obvious present invention implements and is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that the design of the method for the present invention carries out with technical scheme; or the not improved design by the present invention and technical scheme directly apply to other occasion, all within protection scope of the present invention.
Claims (6)
1. the impervious watertight structure in hydraulic engineering, including dam body, is provided with in described dam body obstructing surface side and extends to the notch cuttype dam body seepage layer at the bottom of dam from dam crest；Seepage prevention of dam founda layer it is provided with in the dam foundation bottom dam body；It is characterized in that: between described seepage prevention of dam founda layer and notch cuttype dam body seepage layer, be provided with antiseepage articulamentum；Described seepage prevention of dam founda layer is the combinative structure of concrete cut and grout curtain；Described dam body seepage layer adopts the concrete material of antiseepage anti scuffing, and described concrete material includes: the portland cement of the quartz sand of 15 ~ 18wt%, the flyash of 12 ~ 18wt%, the Gypsum Fibrosum of 5 ~ 8wt%, the calcined diatomite of 5 ~ 8wt%, the micaceous iron oxide of 3 ~ 5wt%, the methyl etherified melamine resin of 1.2 ~ 1.5wt%, the cresol novolak type epoxy resin of 0.8 ~ 1.2wt%, the naphthalene water reducer of 0.5 ~ 0.8wt%, the N-TSIM of 0.8 ~ 1.2wt% and surplus.
2. the impervious watertight structure in hydraulic engineering according to claim 1, it is characterised in that: described antiseepage articulamentum is armored concrete toe board, armored concrete connecting plate or reinforced concrete plinth.
3. the impervious watertight structure in hydraulic engineering according to claim 2, it is characterised in that: the rebar surface described in described antiseepage articulamentum is coated with anti-corrosion coating.
4. the impervious watertight structure in hydraulic engineering according to claim 3, it is characterised in that: described anti-corrosion coating is 3 ~ 8mm.
5. the impervious watertight structure in hydraulic engineering according to claim 4, it is characterised in that: described anti-corrosion coating is formed by spraying corrosion resistance coating；And described corrosion resistance coating contains the isopropanol of 15 ~ 25wt% methyl acrylate, the cumarone resin of 15 ~ 20wt%, the bisphenol A type epoxy resin of 12-18wt%, the polyvinyl pyrrolidone of 2.2 ~ 2.5wt%, 0.8-1.5wt% poly-alkoxylation terpenes, the Ethyl methyl carbonate of 12 ~ 15wt% and surplus.
6. the impervious watertight structure in hydraulic engineering according to claim 1, it is characterised in that: the surface of concrete at described dam body seepage layer is also coated with antifouling paint, and the thickness of coating is 300-800 μm；Described antifouling paint includes: the polyurethane elastomer resins of the bisphenol A type epoxy resin of 22 ~ 25wt%, the urethane-modified epoxy resin of 15 ~ 20wt%, the epoxy modified silicone resin of 15 ~ 20wt%, the isophorone diamine of 3 ~ 5wt%, the silicon dioxide of 5 ~ 8wt% and surplus.
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| CN201310546889.9A CN103628451B (en) | 2013-11-07 | 2013-11-07 | Impervious watertight structure in hydraulic engineering |
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| CN103628451B true CN103628451B (en) | 2016-06-29 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2568757C1 (en) * | 2014-08-12 | 2015-11-20 | Открытое акционерное общество "Всероссийский научно-исследовательский институт гидротехники имени Б.Е. Веденеева" | Method of creation of waterproof interface of grout cutoff constructed on site with unequal height marks by slurry wall method |
| CN105648988B (en) * | 2016-01-11 | 2017-10-31 | 中国电建集团华东勘测设计研究院有限公司 | A kind of stage construction method of Face Rockfill Dam vertical seepage control structure |
| CN105625264B (en) * | 2016-01-17 | 2017-11-03 | 长春工程学院 | A kind of hydraulic engineering dyke seepage control water sealing structure |
| CN108951711A (en) * | 2018-09-12 | 2018-12-07 | 中节能大地环境修复有限公司 | A kind of hazardous waste pollution joint vertical divider structure and its construction method for Bed Rock Region |
| CN109629516B (en) * | 2019-01-21 | 2021-05-11 | 岳胜利 | Deep foundation seepage-proofing water-stopping structure of earth-rock dam of hydraulic and hydroelectric engineering |
| CN109853469A (en) * | 2019-01-31 | 2019-06-07 | 深圳春沐源控股有限公司 | Antiseepage dykes and dams |
| CN112048056B (en) * | 2020-09-11 | 2022-06-14 | 山西华世中瑞新材料有限公司 | Inorganic and organic composite polyurethane grouting reinforcement material for mine and preparation method thereof |
| CN115434282B (en) * | 2022-08-31 | 2023-08-15 | 东莞市水利勘测设计院有限公司 | Composite type impervious wall for hydraulic engineering and construction method thereof |
| CN115387369B (en) * | 2022-09-29 | 2023-06-09 | 成都理工大学 | Flexible seepage-proofing structure combining seepage-proofing wall and curtain grouting and construction method thereof |
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| CN1847309A (en) * | 2005-04-12 | 2006-10-18 | 中国科学院广州化学研究所 | Organosilicon modified carbonyl epoxy composite material |
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Inventor after: Kong Lingmin Inventor after: Li Zhaocui Inventor after: Xi Xiao Inventor after: Zhang Weihua Inventor after: Zhang Nianhua Inventor after: Wang Xuelei Inventor after: Nie Qibing Inventor before: Kong Lingmin Inventor before: Li Zhaocui Inventor before: Ding Zhaosong Inventor before: Chen Liqiang Inventor before: Liang Qidong Inventor before: Nie Qibing |
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Effective date of registration: 20160602 Address after: 276800, Shandong, Rizhao City, Donggang District, the south side of the middle of Xing Hai Road Applicant after: Rizhao Sanlian Water Transfer Co., Ltd. Address before: 276800 Shandong Rizhao City Economic Development Zone Kui mountain street, Daling Village Applicant before: RIZHAO WATER SUPPLY ENGINEERING ADMINISTRATION |
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Inventor after: Kong Lingmin Inventor after: Li Zhaocui Inventor after: Liang Qidong Inventor after: Xi Xiao Inventor after: Zhang Weihua Inventor after: Zhang Nianhua Inventor after: Wang Xuelei Inventor after: Nie Qibing Inventor before: Kong Lingmin Inventor before: Li Zhaocui Inventor before: Xi Xiao Inventor before: Zhang Weihua Inventor before: Zhang Nianhua Inventor before: Wang Xuelei Inventor before: Nie Qibing |
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