CN109056653A - A kind of hydraulic engineering impervious watertight structure - Google Patents
A kind of hydraulic engineering impervious watertight structure Download PDFInfo
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- CN109056653A CN109056653A CN201810929864.XA CN201810929864A CN109056653A CN 109056653 A CN109056653 A CN 109056653A CN 201810929864 A CN201810929864 A CN 201810929864A CN 109056653 A CN109056653 A CN 109056653A
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- waterproof roll
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of hydraulic engineering impervious watertight structures, including dam body, the obstructing surface of the dam body is equipped with dam body seepage layer, the dam body seepage layer includes concrete layer and waterproof roll layer, the waterproof roll layer is located at the lower section of concrete layer, bamboo fibre braiding layer is equipped in the middle part of the concrete layer, the dam body seepage layer front surface is equipped with erosion resistant coating.The present invention improves impermeability, frost resistance, crack resistance and the compression strength of solidifying soil layer by the way that high performance water reducing agent of polyocarboxy acid is added in concrete layer；By erosion resistant coating using organosilicon as primary raw material, the erosion of water and chloride ion to concrete is effectively prevented, and organosilicon material is semipermanent protective materials, long-lasting protection can be played the role of to concrete layer；It is the setting of PVC waterproof roll by waterproof roll layer, improves the mechanical strength, erosion resisting and osmotic-pressure-tolerant of dam body seepage layer.
Description
Technical field
The present invention relates to hydraulic engineering technical field, specially a kind of hydraulic engineering impervious watertight structure.
Background technique
Hydraulic engineering is the surface water and groundwater for controlling and deploying nature, reaches and removes the evil emerging sharp purpose and build
Engineering, also referred to as Hydraulic Projects, water is human being's production and essential precious resources of living, but the state of its naturally occurring is simultaneously
Not in full conformity with the needs of the mankind, hydraulic engineering is only built, just can control water flow, prevents flood, and carry out water
It adjusts and distributes, to meet people's lives and production to the needs of water resource.It is mostly to use due to the gigantic project of building of dam
Local material is built, and infiltration leak caused by dam is to perplex the big problem of people, generallys use leakage preventing structure (gravel at present
Stone, pitch, concrete, geomembrane etc.) by intercepting antiseepage, but due to factors such as cost, designs, many leakage preventing structures can not
Avoid there are certain leakages, and anti-corrosion ability is weak, and service life is low.For this purpose, we release a kind of hydraulic engineering with anti-
Seep water sealing structure.
Summary of the invention
The purpose of the present invention is to provide a kind of hydraulic engineering impervious watertight structures, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of hydraulic engineering impervious watertight structure, including
The obstructing surface of dam body, the dam body is equipped with dam body seepage layer, and the dam body seepage layer includes concrete layer and waterproof roll layer, institute
The lower section that waterproof roll layer is located at concrete layer is stated, is equipped with bamboo fibre braiding layer, the dam body seepage in the middle part of the concrete layer
Layer front surface is equipped with erosion resistant coating.
Preferably, the erosion resistant coating with a thickness of 5-10mm, the erosion resistant coating is made of raw material from the following weight: polyethers
2.2-3.2 parts of modified polyorganosiloxane surfactant, 1.6-2.4 parts of isobutyl triethoxy silane, pregnancy base silane 0.6-1.3
Part, active 0.7-1.2 parts and 2.5-3.5 parts of oil-based solvent of diffusant.
Preferably, the active diffusant is fatty alcohol polyoxyethylene ether bleeding agent, and the oil-based solvent is gasoline.
Preferably, the concrete layer is made of raw material from the following weight: 400-450 parts of portland cement, basalt
700-800 parts of rubble, sand 350-400 parts middle, 120-180 parts of water, 90-120 parts of expanded and vitrified small ball, alkali-resistant glass fibre 60-
80 parts, 40-60 parts of redispersable latex powder, 5-15 parts of cellulose ether, 10-15 parts of water-reducing agent.
Preferably, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Preferably, the dam body seepage layer successively thickens from top to bottom.
Preferably, the waterproof roll layer is PVC waterproof roll.
Compared with prior art, the beneficial effects of the present invention are: the present invention is by being added the high property of poly- antelope acid in concrete layer
Energy water-reducing agent, improves impermeability, frost resistance, crack resistance and the compression strength of solidifying soil layer；
By erosion resistant coating using organosilicon as primary raw material, the erosion of water and chloride ion to concrete is effectively prevented, and
Organosilicon material is semipermanent protective materials, can play the role of long-lasting protection to concrete layer；
It is the setting of PVC waterproof roll by waterproof roll layer, improves mechanical strength, the erosion resisting of dam body seepage layer
And osmotic-pressure-tolerant.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that structural schematic diagram is cutd open in concrete layer side of the present invention.
In figure: 1 dam body, 2 dam body seepage layers, 3 concrete layers, 4 waterproof roll layers, 5 bamboo fibre braiding layers, 6 erosion resistant coatings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of hydraulic engineering impervious watertight structure, including dam
Body 1, the obstructing surface of the dam body 1 are equipped with dam body seepage layer 2, and the dam body seepage layer 2 includes concrete layer 3 and waterproof roll layer
4, the waterproof roll layer 4 is located at the lower section of concrete layer 3, and bamboo fibre braiding layer 5 is equipped in the middle part of the concrete layer 3, described
2 front surface of dam body seepage layer is equipped with erosion resistant coating 6.
Specifically, the erosion resistant coating 6 with a thickness of 5-10mm, the erosion resistant coating 6 is made of raw material from the following weight: poly-
2.2 parts of ether modified polyorganosiloxane surfactant, 1.6 parts of isobutyl triethoxy silane, 0.6 part of pregnancy base silane, activity expand
0.7 part and 2.5 parts of oil-based solvent of powder.
Specifically, the activity diffusant is fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
Specifically, the concrete layer 3 is made of raw material from the following weight: 400 parts of portland cement, basaltic broken stone
700 parts, 350 parts of middle sand, 120 parts of water, 90 parts of expanded and vitrified small ball, 60 parts of alkali-resistant glass fibre, 40 parts of redispersable latex powder,
5 parts of cellulose ether, 10 parts of water-reducing agent.
Specifically, the water-reducing agent is that high performance water reducing agent of polyocarboxy acid is mentioned by the setting of high performance water reducing agent of polyocarboxy acid
High impermeability, frost resistance, crack resistance and the compression strength of solidifying soil layer 3.
Specifically, the dam body seepage layer 2 successively thickens from top to bottom, successively increased from top to bottom by dam body seepage layer 2
Thick setting, improves the mechanical strength of dam body seepage layer 2.
Specifically, the waterproof roll layer 4 improves dam body by the setting of PVC waterproof roll for PVC waterproof roll
Mechanical strength, erosion resisting and the osmotic-pressure-tolerant of impervious barrier 2.
Specifically, in use, improving the anti-of solidifying soil layer 3 by the way that high performance water reducing agent of polyocarboxy acid is added in concrete layer 3
Infiltration property, frost resistance, crack resistance and compression strength；
By erosion resistant coating 6 using organosilicon as primary raw material, organosilicon material and substrate are in use with chemical bond jail
Consolidation is closed, while organosilicon material changes the chemical properties such as 3 water absorbent surface of concrete layer and polarity, effectively prevents water and chlorine
The erosion of ion pair concrete, and organosilicon material is semipermanent protective materials, can play long-lasting protection to concrete layer
Effect；
It is the setting of PVC waterproof roll by waterproof roll layer 4, improves mechanical strength, the resistant to corrosion of dam body seepage layer 2
Property and osmotic-pressure-tolerant.
Antiseptic property test:
Embodiment 1:
The obstructing surface of a kind of hydraulic engineering impervious watertight structure, including dam body 1, the dam body 1 is equipped with dam body seepage layer
2, the dam body seepage layer 2 includes concrete layer 3 and waterproof roll layer 4, and the waterproof roll layer 4 is located under concrete layer 3
It is square, bamboo fibre braiding layer 5 is equipped in the middle part of the concrete layer 3,2 front surface of dam body seepage layer is equipped with erosion resistant coating 6.
Specifically, the erosion resistant coating 6 with a thickness of 5-10mm, the erosion resistant coating 6 is made of raw material from the following weight: poly-
2.2 parts of ether modified polyorganosiloxane surfactant, 1.6 parts of isobutyl triethoxy silane, 0.6 part of pregnancy base silane, activity expand
0.7 part and 2.5 parts of oil-based solvent of powder.
Specifically, the activity diffusant is fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
Specifically, the concrete layer 3 is made of raw material from the following weight: 400 parts of portland cement, basaltic broken stone
700 parts, 350 parts of middle sand, 120 parts of water, 90 parts of expanded and vitrified small ball, 60 parts of alkali-resistant glass fibre, 40 parts of redispersable latex powder,
5 parts of cellulose ether, 10 parts of water-reducing agent.
Specifically, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Specifically, the dam body seepage layer 2 successively thickens from top to bottom.
Specifically, the waterproof roll layer 4 is PVC waterproof roll.
Embodiment 2:
The obstructing surface of a kind of hydraulic engineering impervious watertight structure, including dam body 1, the dam body 1 is equipped with dam body seepage layer
2, the dam body seepage layer 2 includes concrete layer 3 and waterproof roll layer 4, and the waterproof roll layer 4 is located under concrete layer 3
It is square, bamboo fibre braiding layer 5 is equipped in the middle part of the concrete layer 3,2 front surface of dam body seepage layer is equipped with erosion resistant coating 6.
Specifically, the erosion resistant coating 6 with a thickness of 5-10mm, the erosion resistant coating 6 is made of raw material from the following weight: poly-
2.25 parts of ether modified polyorganosiloxane surfactant, 2 parts of isobutyl triethoxy silane, 0.95 part of pregnancy base silane, activity expand
0.95 part and 3 parts of oil-based solvent of powder.
Specifically, the activity diffusant is fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
Specifically, the concrete layer 3 is made of raw material from the following weight: 400 parts of portland cement, basaltic broken stone
700 parts, 350 parts of middle sand, 120 parts of water, 90 parts of expanded and vitrified small ball, 60 parts of alkali-resistant glass fibre, 40 parts of redispersable latex powder,
5 parts of cellulose ether, 10 parts of water-reducing agent.
Specifically, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Specifically, the dam body seepage layer 2 successively thickens from top to bottom.
Specifically, the waterproof roll layer 4 is PVC waterproof roll.
Embodiment 3:
The obstructing surface of a kind of hydraulic engineering impervious watertight structure, including dam body 1, the dam body 1 is equipped with dam body seepage layer
2, the dam body seepage layer 2 includes concrete layer 3 and waterproof roll layer 4, and the waterproof roll layer 4 is located under concrete layer 3
It is square, bamboo fibre braiding layer 5 is equipped in the middle part of the concrete layer 3,2 front surface of dam body seepage layer is equipped with erosion resistant coating 6.
Specifically, the erosion resistant coating 6 with a thickness of 5-10mm, the erosion resistant coating 6 is made of raw material from the following weight: poly-
2.3 parts of ether modified polyorganosiloxane surfactant, 2.4 parts of isobutyl triethoxy silane, 1.3 parts of pregnancy base silane, activity expand
1.2 parts and 3.5 parts of oil-based solvent of powder.
Specifically, the activity diffusant is fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
Specifically, the concrete layer 3 is made of raw material from the following weight: 400 parts of portland cement, basaltic broken stone
700 parts, 350 parts of middle sand, 120 parts of water, 90 parts of expanded and vitrified small ball, 60 parts of alkali-resistant glass fibre, 40 parts of redispersable latex powder,
5 parts of cellulose ether, 10 parts of water-reducing agent.
Specifically, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Specifically, the dam body seepage layer 2 successively thickens from top to bottom.
Specifically, the waterproof roll layer 4 is PVC waterproof roll.
Specifically, surface in 1000 grams of embodiment 1, embodiment 2 and embodiment 3 is taken to be coated with the coagulation of erosion resistant coating 6 respectively
Soil layer 3 tries body, is respectively put into the strong acid solution of specification of the same race, takes out weighing after standing 10min, surface is coated in embodiment 1
It is 998 grams that the concrete layer 3 of erosion resistant coating 6, which tries body weight, and the concrete layer 3 that surface is coated with erosion resistant coating 6 in embodiment 2 tries body weight
It is 997 grams, it is 996 grams that the concrete layer 3 that surface is coated with erosion resistant coating 6 in embodiment 3, which tries body weight,.
In conclusion in embodiment 1 surface be coated with the concrete layer 3 of erosion resistant coating 6 antiseptic property it is best.Barrier performance is surveyed
Examination:
Embodiment 1:
The obstructing surface of a kind of hydraulic engineering impervious watertight structure, including dam body 1, the dam body 1 is equipped with dam body seepage layer
2, the dam body seepage layer 2 includes concrete layer 3 and waterproof roll layer 4, and the waterproof roll layer 4 is located under concrete layer 3
It is square, bamboo fibre braiding layer 5 is equipped in the middle part of the concrete layer 3,2 front surface of dam body seepage layer is equipped with erosion resistant coating 6.
Specifically, the erosion resistant coating 6 with a thickness of 5-10mm, the erosion resistant coating 6 is made of raw material from the following weight: poly-
2.2 parts of ether modified polyorganosiloxane surfactant, 1.6 parts of isobutyl triethoxy silane, 0.6 part of pregnancy base silane, activity expand
0.7 part and 2.5 parts of oil-based solvent of powder.
Specifically, the activity diffusant is fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
Specifically, the concrete layer 3 is made of raw material from the following weight: 400 parts of portland cement, basaltic broken stone
700 parts, 350 parts of middle sand, 120 parts of water, 90 parts of expanded and vitrified small ball, 60 parts of alkali-resistant glass fibre, 40 parts of redispersable latex powder,
5 parts of cellulose ether, 10 parts of water-reducing agent.
Specifically, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Specifically, the dam body seepage layer 2 successively thickens from top to bottom.
Specifically, the waterproof roll layer 4 is PVC waterproof roll.
Embodiment 2:
The obstructing surface of a kind of hydraulic engineering impervious watertight structure, including dam body 1, the dam body 1 is equipped with dam body seepage layer
2, the dam body seepage layer 2 includes concrete layer 3 and waterproof roll layer 4, and the waterproof roll layer 4 is located under concrete layer 3
It is square, bamboo fibre braiding layer 5 is equipped in the middle part of the concrete layer 3,2 front surface of dam body seepage layer is equipped with erosion resistant coating 6.
Specifically, the erosion resistant coating 6 with a thickness of 5-10mm, the erosion resistant coating 6 is made of raw material from the following weight: poly-
2.2 parts of ether modified polyorganosiloxane surfactant, 1.6 parts of isobutyl triethoxy silane, 0.6 part of pregnancy base silane, activity expand
0.7 part and 2.5 parts of oil-based solvent of powder.
Specifically, the activity diffusant is fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
Specifically, the concrete layer 3 is made of raw material from the following weight: 425 parts of portland cement, basaltic broken stone
750 parts, 375 parts of middle sand, 150 parts of water, 105 parts of expanded and vitrified small ball, 70 parts of alkali-resistant glass fibre, redispersable latex powder 50
Part, 10 parts of cellulose ether, 12.5 parts of water-reducing agent.
Specifically, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Specifically, the dam body seepage layer 2 successively thickens from top to bottom.
Specifically, the waterproof roll layer 4 is PVC waterproof roll.
Embodiment 3:
The obstructing surface of a kind of hydraulic engineering impervious watertight structure, including dam body 1, the dam body 1 is equipped with dam body seepage layer
2, the dam body seepage layer 2 includes concrete layer 3 and waterproof roll layer 4, and the waterproof roll layer 4 is located under concrete layer 3
It is square, bamboo fibre braiding layer 5 is equipped in the middle part of the concrete layer 3,2 front surface of dam body seepage layer is equipped with erosion resistant coating 6.
Specifically, the erosion resistant coating 6 with a thickness of 5-10mm, the erosion resistant coating 6 is made of raw material from the following weight: poly-
2.2 parts of ether modified polyorganosiloxane surfactant, 1.6 parts of isobutyl triethoxy silane, 0.6 part of pregnancy base silane, activity expand
0.7 part and 2.5 parts of oil-based solvent of powder.
Specifically, the activity diffusant is fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
Specifically, the concrete layer 3 is made of raw material from the following weight: 450 parts of portland cement, basaltic broken stone
800 parts, 400 parts of middle sand, 180 parts of water, 120 parts of expanded and vitrified small ball, 80 parts of alkali-resistant glass fibre, redispersable latex powder 60
Part, 15 parts of cellulose ether, 15 parts of water-reducing agent.
Specifically, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Specifically, the dam body seepage layer 2 successively thickens from top to bottom.
Specifically, the waterproof roll layer 4 is PVC waterproof roll.
Specifically, the concrete layer 3 in embodiment 1 is passed through mold system using the concrete impervious instrument of model HP-40
It at the examination body of 6 same sizes, is conserved by the specification of portion or international standard, body taking-up will be tried in the previous day of test and dried in the air
It is dry, then in the sealing material of its side Tushan fusing, die trial is heated to 40 DEG C, the examination body for being coated with sealing material is packed into mould
Chamber, then examination body is pressed into die trial and is cooled to room temperature on press, the work for pressing the die trial for trying body and being mounted on Anti-leakage instrument will be filled
Make on platform, pressure gauge is transferred to 0.1MPA, opening controlling valve is sent into hydraulic pressure to examination body, every 8 hours increase operating pressures
0.1MPA, until thering is 1 to seep water in 6 examination bodies in 8 hours, according to formula P > 10H (P: coagulation when pressure is added to 1MPA
Native seepage-resistant grade H: authorized pressure is added to) it calculates, therefore the seepage-resistant grade of the concrete layer 3 in embodiment 1 is greater than 10；
By the concrete layer 3 in embodiment 2 in accordance with the above-mentioned embodiment 1 in step be put into concrete impervious instrument and test,
Until thering are 2 to seep water in 6 examination bodies in 8 hours, according to formula P=10H (P: concrete impervious when pressure is added to 1MPA
Grade H: authorized pressure is added to) it calculates, therefore the seepage-resistant grade of the concrete layer 3 in embodiment 2 is equal to 10；
By the concrete layer 3 in embodiment 3 in accordance with the above-mentioned embodiment 1 in step be put into concrete impervious instrument and test,
Until thering are 3 to seep water in 6 examination bodies in 8 hours, according to formula P=10H-1 (P: agent on crack resistance of concrete when pressure is added to 1MPA
Seep grade H: adding to authorized pressure) it calculates, therefore 3 seepage-resistant grade of concrete layer in embodiment 3 is equal to 9.
In conclusion the impervious effect of concrete layer 3 is best in embodiment 1.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of hydraulic engineering impervious watertight structure, including dam body (1), it is characterised in that: the obstructing surface of the dam body (1) is set
Have dam body seepage layer (2), the dam body seepage layer (2) includes concrete layer (3) and waterproof roll layer (4), the waterproof roll
Layer (4) is located at the lower section of concrete layer (3), is equipped with bamboo fibre braiding layer (5) in the middle part of the concrete layer (3), the dam body is anti-
Infiltration layer (2) front surface is equipped with erosion resistant coating (6).
2. a kind of hydraulic engineering impervious watertight structure according to claim 1, it is characterised in that: the erosion resistant coating (6)
With a thickness of 5-10mm, the erosion resistant coating (6) is made of raw material from the following weight: Siloxane-Oxyalkylene Copolymers surfactant
2.2-3.2 parts, 1.6-2.4 parts of isobutyl triethoxy silane, 0.6-1.3 parts of pregnancy base silane, active 0.7-1.2 parts of diffusant
With 2.5-3.5 parts of oil-based solvent.
3. a kind of hydraulic engineering impervious watertight structure according to claim 2, it is characterised in that: the activity diffusant
For fatty alcohol polyoxyethylene ether bleeding agent, the oil-based solvent is gasoline.
4. a kind of hydraulic engineering impervious watertight structure according to claim 1, it is characterised in that: the concrete layer
(3) it is made of raw material from the following weight: 400-450 parts of portland cement, 700-800 parts of basaltic broken stone, middle sand 350-400
Part, 120-180 parts of water, 90-120 parts of expanded and vitrified small ball, 60-80 parts of alkali-resistant glass fibre, redispersable latex powder 40-60
Part, 5-15 parts of cellulose ether, 10-15 parts of water-reducing agent.
5. a kind of hydraulic engineering impervious watertight structure according to claim 4, it is characterised in that: the water-reducing agent is poly-
Carboxylic acid high-performance water reducing agent.
6. a kind of hydraulic engineering impervious watertight structure according to claim 1, it is characterised in that: the dam body seepage layer
(2) it successively thickens from top to bottom.
7. a kind of hydraulic engineering impervious watertight structure according to claim 1, it is characterised in that: the waterproof roll layer
It (4) is PVC waterproof roll.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810929864.XA CN109056653A (en) | 2018-08-15 | 2018-08-15 | A kind of hydraulic engineering impervious watertight structure |
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| CN201810929864.XA CN109056653A (en) | 2018-08-15 | 2018-08-15 | A kind of hydraulic engineering impervious watertight structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258452A (en) * | 2019-06-11 | 2019-09-20 | 安徽省中功立业建设工程有限责任公司 | A kind of impervious watertight structure in hydraulic and hydroelectric engineering |
| CN115652857A (en) * | 2022-10-24 | 2023-01-31 | 清远市金德盛建设工程有限公司 | Dam seepage-proofing construction method |
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| CN101265126A (en) * | 2008-04-17 | 2008-09-17 | 常州源康化工有限公司 | Reinforced concrete surface preservative |
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| CN115652857A (en) * | 2022-10-24 | 2023-01-31 | 清远市金德盛建设工程有限公司 | Dam seepage-proofing construction method |
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Application publication date: 20181221 |
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