CN104328767A - Seepage-proofing coating construction method - Google Patents
Seepage-proofing coating construction method Download PDFInfo
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- CN104328767A CN104328767A CN201410579054.8A CN201410579054A CN104328767A CN 104328767 A CN104328767 A CN 104328767A CN 201410579054 A CN201410579054 A CN 201410579054A CN 104328767 A CN104328767 A CN 104328767A
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- Prior art keywords
- cloth
- coating
- brush
- construction method
- basal plane
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a seepage-proofing coating construction method. The seepage-proofing coating construction method comprises the following steps of preparing a construction tool; preparing before coating construction; unevenly cleaning a base surface and flattening; uniformly priming feedstock; paving; applying; carrying out second-path paving and brushing; and covering. The seepage-proofing coating construction method is simple, convenient to construct and low in price; a used seepage-proofing coating has a strong boding property, high seepage-proofing strength and good anti-cracking property; the capability of being adapted to a low-temperature bad environment is strong and adverse factors of water immersion, rapid ageing and the like can be effectively overcome.
Description
Technical field
The present invention relates to a kind of organic coating construction technology, particularly relate to a kind of impermeable coating construction method.
Background technology
In view of the construction characteristic that roller compacted concrete is thin layer, the RCCD (Roller Compacted Concrete Dam) of height about 100m, concrete construction aspect and the seam face of meter people constuction joint reach more than 300, and area reaches hundreds of thousands to millions of m
2.Although roller compacted concrete pouring construction process is very perfect, unavoidably because local aspect or seam face process bad formation leak paths; In addition, by the impact that temperature drop, cold wave impact, upstream, dam upstream face also easily produces surface temperature crack, will produce splitting and make crack continue development, thus reduce the degree of safety of dam body under the effect of water along seam end.
In conjunction with employing glass-fiber-fabric as basic unit, both can ensure that concrete surface coating uniform reaches design thickness, also can improve the deformability of coating; When dam body surface is once occur fine cracking, still can ensures that dam body does not produce splitting by hydraulic action, the unlikely reduction of overall impermeability, thus ensure that the safety of dam body.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of method, easy construction, cheap, the impermeable coating cohesiveness used is strong, anti-permeability strength is high, crack resistance good, adapt to low temperature adverse circumstances ability strong, effectively can overcome the coating application method of water enchroachment (invasion) bubble, the aging unfavorable factor such as fast.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of impermeable coating construction method, comprises the steps: that construction tool prepares, and prepares before coating application; The cleaning of basal plane injustice, and flatten; The even bottoming of element material; Paving cloth; Element is coated with; 2nd road paving cloth brushing; Capping.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described construction tool prepares, being implemented as follows of preparation process before coating application:
Construction tool prepares: take out the paintbrush, scissors, pocket knife, rag, cotton rope, chalk etc. of expecting that oil gun, little pail of feeding, 12 ~ 15cm are wide;
Preparation before coating application: put down gently down by the drum of 200kg coatings before feeding on the ground, roll 5 ~ 10min, then about the 10min that flips upside down, and then righted by bucket, removes lid, taken out in little pail by coating for subsequent use with oil drawing gun.
Further, the cleaning of described basal plane injustice, and being implemented as follows of screed step:
Basal plane is exposed iron nail, the first-class excision of reinforcing bar polishes;
To the uneven position of basal plane, cement mortar should be adopted to mix 20% this coating leveling;
To all knuckles existed within the scope of brushing, all application concrete is modified into the arc that radius is not less than 30cm;
Basal plane high pressure water cleaning is clean.
Further, described element expects being implemented as follows of even bottoming step:
Brush successively from top to bottom with painting brush libation at an ancient wedding ceremony coating, for every bit in working face, brush brushes 2-3 times repeatedly, with make basal plane on a small quantity floating ash, dust can be mixed in coating, after making film solid and basal plane cohere firmly.Brushing makes every effort to even, accomplishes not trickle, do not leak brush.
Further, being implemented as follows of described paving cloth step:
With 30 ~ 40g/m
2wash bonded non-woven fabrics, or medium-alkali glass fiber grid cloth;
After first evenly brushing with the basal plane that coating will spread cloth, be from top to bottom affixed on basal plane by cloth, then use brush coating, catch up with brush by cloth center to both sides, on cloth cover, institute's swabbing wants thin and even;
If fold appears in cloth, cut brush flat with pocket knife, the lap length between every block paving cloth is advisable with about 10cm.
Further, described 2nd road spreads being implemented as follows of cloth squeegeeing step:
2nd road paving cloth is successively spread to bottom rail by upper, first evenly brushes from left to right with coating, is then sticked by cloth, then catch up with brush to make cloth smooth sturdy with brush libation at an ancient wedding ceremony coating up and down from cloth center;
Require that brushing is thin and even, cloth to pave non-wrinkle, without alice, cloth and cloth lap length are advisable with about 10cm, solid 12 ~ 14h.
Further, being implemented as follows of described capping step:
After the 2nd road paving cloth coating is completely dry, carries out 2 ~ 3 road element material cappings, brush successively from top to bottom during capping, require that the same element is coated with;
After 2nd time coating is completely dry, then be coated with once, some solid after can obviously see glass-fiber-fabric mesh, also need brushing till cannot see mesh;
Naturally, after solid 48h, can come into operation.
The invention has the beneficial effects as follows: method is simple, easy construction, and cheap, the impermeable coating cohesiveness used is strong, anti-permeability strength is high, crack resistance good, adapt to low temperature adverse circumstances ability strong, effectively can overcome water enchroachment (invasion) bubble, the aging unfavorable factor such as fast.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with example, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of impermeable coating construction method, comprises the steps: that construction tool prepares, and prepares before coating application; The cleaning of basal plane injustice, and flatten; The even bottoming of element material; Paving cloth; Element is coated with; 2nd road paving cloth brushing; Capping.
Embodiment
Construction tool prepares: take out the paintbrush, scissors, pocket knife, rag, cotton rope, chalk etc. of expecting that oil gun, little pail of feeding, 12cm are wide; Preparation before coating application: before feeding, the drum of 200kg coatings is put down gently down on the ground, rolling 5min, then about the 10min that flips upside down, then bucket righted, remove lid, coating is taken out in little pail for subsequent use with oil drawing gun.
Basal plane is exposed iron nail, the first-class excision of reinforcing bar polishes; To the uneven position of basal plane, cement mortar should be adopted to mix 20% this coating leveling; To all knuckles existed within the scope of brushing, all application concrete is modified into the arc that radius is not less than 30cm; Basal plane high pressure water cleaning is clean.Brush successively from top to bottom with painting brush libation at an ancient wedding ceremony coating, for every bit in working face, brush brushes 2 times repeatedly, with make basal plane on a small quantity floating ash, dust can be mixed in coating, after making film solid and basal plane cohere firmly.Brushing makes every effort to even, accomplishes not trickle, do not leak brush.
Use 30g/m
2wash bonded non-woven fabrics, or medium-alkali glass fiber grid cloth; After first evenly brushing with the basal plane that coating will spread cloth, be from top to bottom affixed on basal plane by cloth, then use brush coating, catch up with brush by cloth center to both sides, on cloth cover, institute's swabbing wants thin and even; If fold appears in cloth, cut brush flat with pocket knife, the lap length between every block paving cloth is advisable with about 10cm.
2nd road paving cloth is successively spread to bottom rail by upper, first evenly brushes from left to right with coating, is then sticked by cloth, then catch up with brush to make cloth smooth sturdy with brush libation at an ancient wedding ceremony coating up and down from cloth center; Require that brushing is thin and even, cloth to pave non-wrinkle, without alice, cloth and cloth lap length are advisable with about 10cm, solid 12h.After the 2nd road paving cloth coating is completely dry, carries out 2 road element material cappings, brush successively from top to bottom during capping, require that the same element is coated with; After 2nd time coating is completely dry, then be coated with once, some solid after can obviously see glass-fiber-fabric mesh, also need brushing till cannot see mesh; Naturally, after solid 48h, can come into operation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an impermeable coating construction method, is characterized in that, comprises the steps: that construction tool prepares, and prepares before coating application; The cleaning of basal plane injustice, and flatten; The even bottoming of element material; Paving cloth; Element is coated with; 2nd road paving cloth brushing; Capping.
2. a kind of impermeable coating construction method according to claim 1, is characterized in that, described construction tool prepares, being implemented as follows of preparation process before coating application:
Construction tool prepares: take out the paintbrush, scissors, pocket knife, rag, cotton rope, chalk etc. of expecting that oil gun, little pail of feeding, 12 ~ 15 cm are wide;
Preparation before coating application: put down gently down by the drum of 200 kg coatings before feeding on the ground, roll 5 ~ 10 min, then about 10 min that flip upside down, and then righted by bucket, removes lid, taken out in little pail by coating for subsequent use with oil drawing gun.
3. a kind of impermeable coating construction method according to claim 1, is characterized in that, the cleaning of described basal plane injustice, and being implemented as follows of screed step:
Basal plane is exposed iron nail, the first-class excision of reinforcing bar polishes;
To the uneven position of basal plane, cement mortar should be adopted to mix 20% this coating leveling;
To all knuckles existed within the scope of brushing, all application concrete is modified into the arc that radius is not less than 30 cm;
Basal plane high pressure water cleaning is clean.
4. a kind of impermeable coating construction method according to claim 1, is characterized in that, being implemented as follows of the described element even bottoming step of material:
Brush successively from top to bottom with painting brush libation at an ancient wedding ceremony coating, for every bit in working face, brush brushes 2-3 times repeatedly, with make basal plane on a small quantity floating ash, dust can be mixed in coating, after making film solid and basal plane cohere firmly.
5. brushing makes every effort to even, accomplishes not trickle, do not leak brush.
6. a kind of impermeable coating construction method according to claim 1, is characterized in that, being implemented as follows of described paving cloth step:
With 30 ~ 40 g/m
2wash bonded non-woven fabrics, or medium-alkali glass fiber grid cloth;
After first evenly brushing with the basal plane that coating will spread cloth, be from top to bottom affixed on basal plane by cloth, then use brush coating, catch up with brush by cloth center to both sides, on cloth cover, institute's swabbing wants thin and even;
If fold appears in cloth, cut brush flat with pocket knife, the lap length between every block paving cloth is advisable with about 10 cm.
7. a kind of impermeable coating construction method according to claim 1, is characterized in that, described element is coated with being implemented as follows of step:
Until l road paving cloth coating after solid 12 ~ 14 h, then brush successively together from top to bottom or from left to right with coating.
8. require that being same as element is coated with bottoming, solid 8 ~ 12 h.
9. a kind of impermeable coating construction method according to claim 1, is characterized in that, being implemented as follows of described 2nd road paving cloth squeegeeing step:
2nd road paving cloth is successively spread to bottom rail by upper, first evenly brushes from left to right with coating, is then sticked by cloth, then catch up with brush to make cloth smooth sturdy with brush libation at an ancient wedding ceremony coating up and down from cloth center;
Require that brushing is thin and even, cloth to pave non-wrinkle, without alice, cloth and cloth lap length are advisable with about 10 cm, solid 12 ~ 14 h.
10. a kind of impermeable coating construction method according to claim 1, is characterized in that, being implemented as follows of described capping step:
After the 2nd road paving cloth coating is completely dry, carries out 2 ~ 3 road element material cappings, brush successively from top to bottom during capping, require that the same element is coated with;
After 2nd time coating is completely dry, then be coated with once, some solid after can obviously see glass-fiber-fabric mesh, also need brushing till cannot see mesh;
Naturally, after solid 48h, can come into operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579054.8A CN104328767A (en) | 2014-10-25 | 2014-10-25 | Seepage-proofing coating construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579054.8A CN104328767A (en) | 2014-10-25 | 2014-10-25 | Seepage-proofing coating construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104328767A true CN104328767A (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410579054.8A Pending CN104328767A (en) | 2014-10-25 | 2014-10-25 | Seepage-proofing coating construction method |
Country Status (1)
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| CN (1) | CN104328767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019678A (en) * | 2015-07-29 | 2015-11-04 | 北京中联天盛建材有限公司 | Energy-saving and environment-friendly type waterproof construction method of existing roof |
-
2014
- 2014-10-25 CN CN201410579054.8A patent/CN104328767A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019678A (en) * | 2015-07-29 | 2015-11-04 | 北京中联天盛建材有限公司 | Energy-saving and environment-friendly type waterproof construction method of existing roof |
| CN105019678B (en) * | 2015-07-29 | 2018-03-13 | 北京中联天盛建材有限公司 | A kind of energy-saving environment-protecting type waterproof construction method for having roofing |
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Application publication date: 20150204 |