CN220246820U - Hydraulic waterproof structure - Google Patents
Hydraulic waterproof structure Download PDFInfo
- Publication number
- CN220246820U CN220246820U CN202320751940.9U CN202320751940U CN220246820U CN 220246820 U CN220246820 U CN 220246820U CN 202320751940 U CN202320751940 U CN 202320751940U CN 220246820 U CN220246820 U CN 220246820U
- Authority
- CN
- China
- Prior art keywords
- layer
- cement
- concrete
- based protective
- protective coating
- 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.)
- Active
Links
- 239000010410 layer Substances 0.000 claims abstract description 53
- 239000004568 cement Substances 0.000 claims abstract description 38
- 239000011253 protective coating Substances 0.000 claims abstract description 36
- 229920006334 epoxy coating Polymers 0.000 claims abstract description 23
- 239000011247 coating layer Substances 0.000 claims abstract description 17
- 230000008439 repair process Effects 0.000 claims abstract description 15
- 238000005299 abrasion Methods 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000004078 waterproofing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000003973 paint Substances 0.000 abstract description 11
- 230000007774 longterm Effects 0.000 abstract description 8
- 238000002791 soaking Methods 0.000 abstract description 8
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000002585 base Substances 0.000 description 31
- 238000005507 spraying Methods 0.000 description 15
- 238000010276 construction Methods 0.000 description 11
- 239000004593 Epoxy Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 8
- 238000005498 polishing Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000002519 antifouling agent Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012745 toughening agent Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a hydraulic waterproof structure, which comprises a concrete layer and a cement-based protective coating covered on the outer surface of the concrete layer, wherein a repair thin layer is arranged on the outer side of the cement-based protective coating, and a flexible epoxy coating layer is arranged on the outer side of the repair thin layer; the outer side of the concrete layer is a concrete base surface fixedly connected with the cement-based protective coating, and the number of the flexible epoxy coating layers is two. The beneficial effects are that: according to the utility model, the cement-based protective coating, the repair thin layer and the flexible epoxy coating layer are sequentially arranged on the outer side of the concrete base surface to form a waterproof structure, so that the waterproof structure has the advantages of high strength, good toughness, excellent anti-abrasion performance, good compatibility with the original concrete base material, high permeability and capability of fusing new and old materials into a firm whole; the paint is green and environment-friendly, is especially suitable for the field of erosion and abrasion prevention of concrete (rock) basal planes in hydraulic tunnels, is also suitable for water delivery buildings in other humid or long-term water soaking environments, and has wide application range.
Description
Technical Field
The utility model relates to the field of building waterproofing, in particular to a hydraulic waterproof structure.
Background
The existing hydraulic waterproof structure is mostly a 'bottom coating and waterproof layer', the bottom coating is poor in water resistance and easy to peel off, the bottom coating is poor in concrete sealing and leveling performance of a base layer porous structure, the waterproof layer is easy to foam, air holes and the surface is not smooth, and the waterproof effect is poor after treatment. The hydraulic waterproof structure not only requires high mechanical property of materials and good interlayer bonding, but also has good abrasion resistance and waterproof property, and development of a comprehensive waterproof structure suitable for hydraulic engineering is needed.
Disclosure of Invention
The utility model aims to solve the problems, and provides a hydraulic waterproof structure which has the advantages of high strength, good toughness, excellent anti-abrasion performance, good compatibility with the original concrete base material, high permeability and capability of enabling new and old materials to be highly fused into a firm whole, and particularly has the excellent characteristics of continuously improving the self strength after long-term soaking and the bonding strength with the base material, and is particularly suitable for the field of anti-impact abrasion protection of concrete (rock) base surfaces in hydraulic tunnels, and also suitable for water delivery buildings in other moist or long-term soaking environments, as described in detail below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a hydraulic waterproof structure, which comprises a concrete layer and a cement-based protective coating covered on the outer surface of the concrete layer, wherein a repair thin layer is arranged on the outer side of the cement-based protective coating, and a flexible epoxy coating layer is arranged on the outer side of the repair thin layer;
the outer side of the concrete layer is a concrete base surface fixedly connected with the cement-based protective coating, and the number of the flexible epoxy coating layers is two.
By adopting the hydraulic waterproof structure, taking the anticorrosion treatment in the shield tunnel segment as an example, in the construction process, the main process flow comprises the steps of basal plane polishing, cleaning, cement-based protective coating spraying, thin-layer repair material coating, flexible epoxy coating spraying and expansion joint treatment, and the concrete steps are as follows:
1. and (5) polishing and cleaning the base surface. Firstly, the tunnel maintenance platform is dismantled, a steel pipe frame is erected to remove the original anti-corrosion coating on the inner wall of the duct piece, the fresh and hard concrete is cleaned and polished until the fresh and hard concrete is exposed, and then a high-power blower is used for drying and cleaning the basal plane of the duct piece (the wet or water-containing part can be flushed by high-pressure water), so that the flatness and the cleanliness of the basal plane are ensured, and no sundry dust is generated. Because of limited space operation in the tunnel, the clearance of polishing can produce more dust, and operating personnel is equipped with the gauze mask, and supplementary fog gun machine dust fall removes dust, and tunnel ventilation pipeline opens.
2. And (5) spraying a cement-based protective coating. Before the inner surface of the duct piece is coated with the thin layer repairing material, the concrete base surface must be ensured to be clean, then the cement-based protective paint is sprayed, and each square is not less than 350g, so that the concrete base surface is as thin and uniform as possible, does not flow and does not pile up when being sprayed.
3. And (5) smearing the thin-layer repairing material. After the surface of the cement-based protective coating on the inner surface of the duct piece is dried, a thin layer of repairing material is smeared for repairing and leveling. Because the thin-layer repairing material is cured faster, the thin-layer repairing material is properly stirred according to the dosage condition when being used on site, too much stirring is not needed each time, and waste caused by the fact that the material exceeds the use time is avoided. The mixed thin-layer repairing material is coated on the surface of the surface-dried cement-based protective coating by a spatula according to actual conditions, continuously spreading the material in the same direction as much as possible, compacting and exhausting at the joint, and leveling while coating, particularly paying attention to the bonding quality with a base surface, and preventing the falling off and falling down. The coating thickness is 2.0mm.
4. And (5) spraying a flexible epoxy coating. After the thin layer repairing material is solidified, the flexible epoxy paint is integrally sprayed. The coating operation is carried out at a temperature of 10-40 ℃ and the relative humidity is below 85%. And (3) starting to spray the flexible epoxy paint, wherein all surfaces to be coated are clean and pollution-free, and the construction requirements are met. The flexible epoxy paint is sprayed in two layers, the whole spraying thickness is 0.6mm, and the flexible epoxy paint is uniform and smooth without sagging and without leaking bottom. After each coating, the appearance quality of the coating film is checked, and the defects are compensated. The epoxy paint is used up in a prescribed time, and the spraying equipment is cleaned immediately after the spraying is completed. The operator wears goggles and other labor protection articles.
Preferably, the bonding strength of the concrete base surface and the wet surface of the cement-based protective coating is more than 4MPa, the tensile strength of the cement-based protective coating is more than 20MPa, and the elongation is more than 2%.
Preferably, the cement-based protective coating has a mass per square of not less than 350g.
Preferably, the abrasion resistance of the thin-layer repair material is not lower than 500 h/(Kg/m) 2 ) The thickness of the repair thin layer is 2mm.
Preferably, the tensile strength of the flexible epoxy coating is more than 15MPa, the elongation is more than 15%, the coating is 0.6mm, and the flexible epoxy coating layer is parallel to the outer side of the concrete base surface.
The beneficial effects are that: according to the utility model, the cement-based protective coating, the repair thin layer and the flexible epoxy coating layer are sequentially arranged on the outer side of the concrete base surface to form a waterproof structure, so that the waterproof structure has the excellent characteristics of high strength, good toughness, excellent anti-abrasion performance, good compatibility with the original concrete base material, high permeability, high fusion of new and old materials into a firm whole, and especially the excellent characteristics of continuously improving the self strength and the bonding strength with the base material after long-term soaking; the coating is a water curing (hydraulic) material, is environment-friendly, is especially suitable for the field of anti-erosion protection of concrete (rock) basal planes in hydraulic tunnels, and is also suitable for water delivery buildings under other humid or long-term water soaking environments, and the application range is wide.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view structural diagram of the present utility model.
The reference numerals are explained as follows:
1. a concrete layer; 2. a concrete base surface; 3. a cement-based protective coating; 4. repairing the thin layer; 5. a flexible epoxy coating layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Referring to fig. 1, the utility model provides a hydraulic waterproof structure, which comprises a concrete layer 1 and a cement-based protective coating 3 covered on the outer surface of the concrete layer 1, wherein the cement-based protective coating 3 is prepared from Portland cement, hybridized acrylic acid, a toughening agent and alkali active substances, water is used as a curing agent, the waterproof structure is environment-friendly, does not need to be under-coated, is highly fused with a concrete base material to form a firm whole, overcomes the defect of poor compatibility of other synthetic polymer material coatings and the concrete base material, has the wet surface bonding strength of more than 4MPa, and has the characteristics of hydraulic property of the cement-based material, namely, the compactness is improved after long-term soaking, and the mechanical property and the impermeability are gradually improved;
the cement-based protective coating 3 is provided with a repairing thin layer 4 on the outer side, the outer side of the repairing thin layer 4 is provided with a flexible epoxy coating layer 5, the thickness of the repairing thin layer 4 is 2mm, the repairing thin layer 4 is prepared by taking self-modified epoxy resin and a curing agent as main agents, and calcium powder, mica powder and quartz sand as auxiliary agents, and a rapid repairing material with high strength, high toughness and high binding force is formed after mixing and curing, and the consolidated body has excellent anti-permeability, anti-freezing, salt-resistant, alkali-resistant and acid-resistant anti-corrosion performances. Can be widely applied to repairing and reinforcing overflow dams, drainage water holes and other hydraulic buildings on wet base surfaces. The main characteristics are that:
1. good flexibility: the material has good flexibility and impact resistance, can resist deformation caused by external force, reduces internal stress generated by a system, and improves the adaptability of the material.
2. The mechanical properties are excellent: high adhesion and firm adhesion to concrete.
3. High workability: the construction is quick and convenient, the working efficiency can be greatly improved, the construction is cured at normal temperature, and the construction quality is reliable under high-humidity and low-temperature environment conditions.
4. Green and environment-friendly: the product has no volatile component and pollution, and the construction process has little influence on human body; the cured product is nontoxic and has good chemical medium resistance.
The outer side of the concrete layer 1 is a concrete base surface 2 fixedly connected with a cement-based protective coating 3, the number of the flexible epoxy coating layers 5 is two, and the concrete base surface 2 is fresh and hard concrete exposed by polishing the concrete layer 1.
As an alternative implementation mode, the bonding strength of the concrete base surface 2 and the cement-based protective coating 3 is larger than 4MPa, the tensile strength of the concrete base surface 2 and the cement-based protective coating 3 under natural curing is more than 20MPa, the toughness is high, the elongation is more than 2%, the anti-abrasion performance is good, the durability such as water resistance and corrosion resistance is excellent, and the concrete base surface is acid, alkali, salt and Cl resistant - 、SO 4 2- Plasma permeation, convenient construction, long service life and high cost performance, and can be sprayed and brushed by hand;
the mass of the cement-based protective coating 3 per square is not less than 350g, so that the cement-based protective coating is thin and uniform as much as possible, does not flow and does not accumulate during spraying;
the flexible epoxy coating layer 5 is 0.6mm, the flexible epoxy coating layer is parallel to the outer side of the concrete base surface 2, the flexible epoxy coating layer 5 is composed of A, B components, the main raw materials of the component A are modified epoxy resin, flexible resin, modified powder filler and auxiliary agent, and the main raw materials of the component B are toughener and special curing agent. Has the characteristics of high strength, high toughness and high adhesion, and has the functions of corrosion resistance, abrasion resistance and water resistance.
The product is mainly characterized in that:
1. good flexibility: the material has good flexibility and lower tensile modulus, can resist deformation caused by external force, reduces internal stress generated by a system, and improves the adaptability of the material.
2. The mechanical properties are excellent: high cohesive force and high compressive strength, and is firmly bonded with concrete.
3. Good thixotropic properties: the construction method is used for convex-concave parts and hole parts such as tops, side walls and the like without sagging, is easy to level, good in workability and quick and convenient to construct.
4. Green and environment-friendly: the product has no volatile component and pollution, and the construction process has little influence on human body; the cured product is nontoxic and has good chemical medium resistance.
By adopting the structure, taking the anticorrosion treatment in the shield tunnel segment as an example, in the construction process, the main process flow comprises the steps of basal plane polishing, cleaning, cement-based protective coating spraying, thin-layer repair material smearing, flexible epoxy coating spraying and expansion joint treatment, and the specific steps are as follows:
1. and (5) polishing and cleaning the base surface. Firstly, the tunnel maintenance platform is dismantled, a steel pipe frame is erected to remove the original anti-corrosion coating on the inner wall of the duct piece, the fresh and hard concrete is cleaned and polished until the fresh and hard concrete is exposed, and then a high-power blower is used for drying and cleaning the basal plane of the duct piece (the wet or water-containing part can be flushed by high-pressure water), so that the flatness and the cleanliness of the basal plane are ensured, and no sundry dust is generated. Because of limited space operation in the tunnel, the clearance of polishing can produce more dust, and operating personnel is equipped with the gauze mask, and supplementary fog gun machine dust fall removes dust, and tunnel ventilation pipeline opens.
2. And (5) spraying a cement-based protective coating. Before the inner surface of the duct piece is coated with the thin layer repairing material, the concrete base surface must be ensured to be clean, then the cement-based protective paint is sprayed, and each square is not less than 350g, so that the concrete base surface is as thin and uniform as possible, does not flow and does not pile up when being sprayed.
3. And (5) smearing the thin-layer repairing material. After the surface of the cement-based protective coating on the inner surface of the duct piece is dried, a thin layer of repairing material is smeared for repairing and leveling. Because the thin-layer repairing material is cured faster, the thin-layer repairing material is properly stirred according to the dosage condition when being used on site, too much stirring is not needed each time, and waste caused by the fact that the material exceeds the use time is avoided. The mixed thin-layer repairing material is coated on the surface of the surface-dried cement-based protective coating by a spatula according to actual conditions, continuously spreading the material in the same direction as much as possible, compacting and exhausting at the joint, and leveling while coating, particularly paying attention to the bonding quality with a base surface, and preventing the falling off and falling down. The coating thickness is 2.0mm.
4. And (5) spraying a flexible epoxy coating. After the thin layer repairing material is solidified, the flexible epoxy paint is integrally sprayed. The coating operation is carried out at a temperature of 10-40 ℃ and the relative humidity is below 85%. And (3) starting to spray the flexible epoxy paint, wherein all surfaces to be coated are clean and pollution-free, and the construction requirements are met. The flexible epoxy paint is sprayed in two layers, the whole spraying thickness is 0.6mm, and the flexible epoxy paint is uniform and smooth without sagging and without leaking bottom. After each coating, the appearance quality of the coating film is checked, and the defects are compensated. The epoxy paint is used up in a prescribed time, and the spraying equipment is cleaned immediately after the spraying is completed. The operator wears goggles and other labor protection articles;
the cement-based protective coating 3, the repair thin layer 4 and the flexible epoxy coating layer 5 are sequentially arranged on the outer side of the concrete base surface 2 to form a waterproof structure, so that the waterproof structure has the excellent characteristics of high strength, good toughness, excellent anti-abrasion performance, good compatibility with an original concrete base material, high permeability and capability of enabling new and old materials to be highly fused into a firm whole, and particularly has the excellent characteristics of continuously improving the self strength and the bonding strength with the base material after long-term soaking; the coating is a water curing (hydraulic) material, is environment-friendly, is especially suitable for the field of anti-erosion protection of concrete (rock) basal planes in hydraulic tunnels, and is also suitable for water delivery buildings under other humid or long-term water soaking environments, and the application range is wide.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (5)
1. A hydraulic waterproofing structure, characterized in that: the concrete-based protective coating comprises a concrete layer and a cement-based protective coating covered on the outer surface of the concrete layer, wherein a repair thin layer is arranged on the outer side of the cement-based protective coating, and a flexible epoxy coating layer is arranged on the outer side of the repair thin layer;
the outer side of the concrete layer is a concrete base surface fixedly connected with the cement-based protective coating, and the number of the flexible epoxy coating layers is two.
2. A hydraulic flashing structure according to claim 1, wherein: the bonding strength of the concrete base surface and the wet surface of the cement-based protective coating is greater than 4MPa, the tensile strength of the cement-based protective coating is greater than 20MPa, and the elongation is greater than 2%.
3. A hydraulic flashing structure according to claim 2, wherein: the cement-based protective coating has a mass per square of not less than 350g.
4. A hydraulic flashing structure according to claim 1, wherein: the abrasion resistance of the repair thin layer is not lower than 500 h/(Kg/m) 2 ) The thickness of the repair thin layer is 2mm.
5. A hydraulic flashing structure according to claim 1, wherein: the tensile strength of the flexible epoxy coating is greater than 15MPa, the elongation is greater than 15%, the coating is 0.6mm, and the flexible epoxy coating layer is parallel to the outer side of the concrete base surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320751940.9U CN220246820U (en) | 2023-04-06 | 2023-04-06 | Hydraulic waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320751940.9U CN220246820U (en) | 2023-04-06 | 2023-04-06 | Hydraulic waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220246820U true CN220246820U (en) | 2023-12-26 |
Family
ID=89267355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320751940.9U Active CN220246820U (en) | 2023-04-06 | 2023-04-06 | Hydraulic waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220246820U (en) |
-
2023
- 2023-04-06 CN CN202320751940.9U patent/CN220246820U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101694807B1 (en) | Mortar with chloride resistance and acid resistance for repairing and reinforcing concrete using eco-friendly green cement, finishing materials for protecting concrete surface and method for repairing and reinforcing concrete using the same | |
| KR101637987B1 (en) | Patching repair material and repairing method of deteriorated reinforced concrete structures | |
| CN103572845B (en) | A kind of insulation clay reflective heat-insulation paint exterior wall heat-preserving system and construction technology thereof | |
| KR101717128B1 (en) | Epoxy Base Waterproof Paint Composition and Surface coating method of concrete structure and water treatment facility using thereof | |
| CN104695631A (en) | Construction method for spraying polyurea waterproof coating on roof | |
| CN104278698A (en) | Alkali-stimulated inorganic polymer waterproof method | |
| CN103572916A (en) | Spray rapid hardening rubber asphalt waterproof paint constructing method | |
| CN104343189A (en) | Composite waterproof leaking stoppage method | |
| KR101766286B1 (en) | Method for Surface Coating of Concrete Structure with improving ozone resistance and Multi Coated Layers Obtained therefrom | |
| CN105604198A (en) | Rigid-soft combined watertightness construction method | |
| CN110629893B (en) | Construction method of toilet waterproof engineering | |
| CN106699066A (en) | Two-component polyacrylate waterproof coating and waterproof engineering construction method thereof | |
| CN112575979A (en) | Construction method of plastering waterproof mortar for building exterior wall | |
| JP5064172B2 (en) | Abrasion resistant material and repair method using the same | |
| CN106968409A (en) | A kind of external wall waterproof construction and preparation method thereof | |
| CN107859142B (en) | Anti-corrosion impermeable layer and manufacturing method thereof | |
| CN109826328A (en) | PTB rubber cement fills up the close piece structure in the unidirectional superimposed sheet bottom of assembled and construction method | |
| CN220246820U (en) | Hydraulic waterproof structure | |
| KR101009743B1 (en) | Repairing agent for reinforcing the concrete | |
| CN210164074U (en) | PTB (polystyrene board) mortar filling assembled type one-way superimposed sheet bottom close-joint structure | |
| CN108457437A (en) | Concrete dusting regulation protective coating and its construction method | |
| CN107540314A (en) | A kind of post-cast strip basal plane inorganic agent and its construction method | |
| CN206987071U (en) | A kind of isolated form concrete durability reparation and protective coating structure | |
| CN109280464A (en) | A kind of underwater special-purpose water-proof anticorrosive paint and its production method, construction technology | |
| CN114412220A (en) | Leakage repairing process for construction joint of external wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |