CN213295204U - Anti-abrasion concrete protective coating structure for hydraulic engineering - Google Patents
Anti-abrasion concrete protective coating structure for hydraulic engineering Download PDFInfo
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- CN213295204U CN213295204U CN202020460448.2U CN202020460448U CN213295204U CN 213295204 U CN213295204 U CN 213295204U CN 202020460448 U CN202020460448 U CN 202020460448U CN 213295204 U CN213295204 U CN 213295204U
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Abstract
The utility model provides an anti wear-resisting concrete protection coating structure of dashing belongs to concrete protection technical field. Is formed by compounding five layers of structures, which are sequentially from inside to outside: the concrete base layer, the mortar repair layer, the anti-abrasion polymer cement protective layer, the interface modification layer and the waterproof layer. The anti-impact wear-resistant concrete protective coating structure can effectively seal and prevent water vapor on the inner wall from escaping, fundamentally solves the problems of low bonding strength and poor durability of bubbling and surface stripping of the existing coating and the like, has excellent anti-impact wear-resistant and cavitation-resistant performances, and has the advantages of multiple protections of water resistance, carbonization resistance, roughness reduction, attractiveness and the like.
Description
Technical Field
The utility model belongs to a concrete protection field relates to a hydraulic engineering is with anti erosion and abrasion concrete protective coating structure.
Background
The hydraulic drainage and water delivery building surface is easy to be damaged by scouring and grinding of high-speed water flow and high-speed sand-containing water flow, and cannot be well solved for many years, so that the safe operation of the building is influenced, a large amount of manpower, financial and material resources are required to be consumed for reinforcing and repairing the building every year, along with the vigorous development of water conservancy construction in China, the establishment of a high-head and high-flow high dam, the problem of scouring and grinding of the high-speed sand-containing water flow on the drainage and water delivery building surface is more and more concerned and emphasized, and the adoption of an anti-scouring concrete protective coating structure with excellent performance is imperative.
The improvement of the impact resistance and the wear resistance of the concrete surface in the prior art is mainly solved from the following two aspects: (1) the application technology of high-performance and high-strength concrete is researched and solved by a 'hard-to-hard' method. (2) The protective coating adopting the novel organic polymer composite material solves the problem in a 'soft-to-hard' mode, and improves the impact wear and the cavitation damage of high-speed water flow or high-speed sand-containing water flow by the characteristics of high strength and high toughness of the polymer material. (3) At present, polymer coatings are generally used as protective coatings, but multilayer construction is needed, the requirements on the drying degree and the construction difficulty of a base surface are high, the construction difficulty is high, and the problems of poor long-term durability cannot be solved.
At present, a large number of hydraulic drainage and water delivery buildings need to be maintained, repaired and recoated, so that no matter new construction or well-built construction, an anti-abrasion concrete protective coating structure is urgently needed, the coating structure has the advantages of high bonding strength, good durability and excellent anti-abrasion performance, particularly, wet surface construction and spraying construction can be carried out, and related reports are not found at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to realize the comprehensive protection on hydraulic structure concrete surface, realizes "falling coarse, waterproof, seal, wear-resisting" multiple three-dimensional guard action, provides a bonding strength good, keep apart that shielding nature is high and anti impact wear resistance is excellent for hydraulic engineering wear-resisting concrete protective coating structure.
The technical scheme of the utility model is realized like this:
the utility model provides a hydraulic engineering is with anti erosion and abrasion concrete protective coating structure which characterized in that: the concrete base layer, the mortar repairing layer, the anti-abrasion polymer cement protective layer, the interface modification layer and the waterproof layer are sequentially distributed from bottom to top.
The utility model discloses further set up to: the thickness of the mortar repairing layer is 1 mm-5 mm; the thickness of the anti-abrasion polymer cement protective layer is 1 mm-2 mm.
The utility model discloses further set up to: the mortar repairing layer is made of polymer modified repairing mortar, and the polymer modified repairing mortar is composed of acrylic emulsion or styrene-acrylic emulsion, graded sand, cement, a water reducing agent and fly ash.
The utility model discloses further set up to: the anti-abrasion polymer cement protective layer is composed of water-cured polyurethane, cement, quartz powder, titanium dioxide, wollastonite powder, a defoaming agent, a leveling agent, a water reducing agent and an adhesion promoter.
The utility model discloses further set up to: the anti-abrasion polymer cement protective layer is formed by spraying of airless spraying equipment.
The utility model discloses further set up to: the interface modified layer is formed by coating after mixing phenolic A epoxy resin, modified amine curing agent, diluent and toughening agent.
The utility model discloses further set up to: the waterproof layer is formed by coating single-component polyurethane or single-component polyurea paint.
To sum up, the beneficial effects of the utility model are that: the utility model provides a hydraulic engineering is with anti erosion and corrosion concrete protective coating structure, can be under construction at the moist base face, and repair the protection to the hydraulic structure of concrete base face, reduce the roughness on original building surface, excellent water proofness has, anti freezing nature, fundamentally solves current coating tympanic bulla and top layer bonding strength such as peeling off not high, the not good problem of durability, still have excellent anti erosion and corrosion performance simultaneously, waterproof carbonization of preventing has, multiple protection advantages such as resistant time is pleasing to the eye, can be used for hydraulic engineering sluicing well, the maintenance of water delivery building thing, repair and recoating the field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a concrete matrix layer; 2. a mortar repair layer; 3. a wear-resistant polymer cement protective layer; 4. an interface modification layer; 5. and a waterproof layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention is explained below with reference to fig. 1:
the utility model provides a hydraulic engineering is with anti scouring concrete protective coating structure, includes that muddy earth base member layer 1, mortar repair layer 2, anti scouring polymer cement inoxidizing coating 3, interface modified layer 4, waterproof layer 5, muddy earth base member layer 1, mortar repair layer 2, anti scouring polymer cement inoxidizing coating 3, interface modified layer 4, waterproof layer 5 distribute from bottom to top in proper order.
The thickness of the mortar repairing layer 2 is 1 mm-5 mm, the material adopted by the mortar repairing layer 2 is polymer modified repairing mortar, the polymer modified repairing mortar is composed of acrylic emulsion or styrene-acrylic emulsion, graded sand, cement, a water reducing agent and fly ash, the compressive strength of the mortar repairing layer in 228 days is more than 40MPa, and the flexural strength of the mortar repairing layer in 28 days is more than 8 MPa.
The thickness of the anti-abrasion polymer cement protective layer 3 is 1 mm-2 mm, the anti-abrasion polymer cement protective layer 3 is composed of water-cured polyurethane, cement, quartz powder, titanium dioxide, wollastonite powder, a defoaming agent, a leveling agent, a water reducing agent and an adhesion promoter, the anti-abrasion polymer cement protective layer 3 is formed by spraying of airless spraying equipment, the tensile strength of the anti-abrasion polymer cement protective layer 3 reaches more than 15MPa, the elongation reaches more than 5%, and the adhesive strength of the anti-abrasion polymer cement protective layer and a concrete base surface has good dry adhesion, wet adhesion and water immersion adhesive properties.
The interface modified layer 4 is formed by coating a mixture of phenol A epoxy resin, a modified amine curing agent, a diluent and a toughening agent.
The waterproof layer 5 is formed by coating single-component polyurethane or single-component polyurea paint.
Adopt above-mentioned technical scheme, through the actual detection, the utility model provides a hydraulic engineering is with anti erosion and abrasion concrete protective coating structure, the bond strength test result is that 4.2MPa base material destroys, and anti erosion and abrasion performance (underwater steel ball method) is 800 h/(kg/m)2) In addition, the water resistance, the aging resistance and the appearance plumpness are all superior to the prior art.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a hydraulic engineering is with anti erosion and abrasion concrete protective coating structure which characterized in that: the concrete repairing layer comprises a concrete base layer (1), a mortar repairing layer (2), an anti-abrasion polymer cement protective layer (3), an interface modification layer (4) and a waterproof layer (5), wherein the concrete base layer (1), the mortar repairing layer (2), the anti-abrasion polymer cement protective layer (3), the interface modification layer (4) and the waterproof layer (5) are sequentially distributed from bottom to top.
2. The anti-abrasion concrete protective coating structure for hydraulic engineering according to claim 1, characterized in that: the thickness of the mortar repairing layer (2) is 1 cm-5 cm; the thickness of the anti-abrasion polymer cement protective layer (3) is 1-2 mm.
3. The anti-abrasion concrete protective coating structure for hydraulic engineering according to claim 1, characterized in that: the anti-abrasion polymer cement protective layer (3) is formed by spraying airless spraying equipment.
4. The anti-abrasion concrete protective coating structure for hydraulic engineering according to claim 1, characterized in that: the waterproof layer (5) is formed by coating single-component polyurethane or single-component polyurea paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460448.2U CN213295204U (en) | 2020-04-01 | 2020-04-01 | Anti-abrasion concrete protective coating structure for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460448.2U CN213295204U (en) | 2020-04-01 | 2020-04-01 | Anti-abrasion concrete protective coating structure for hydraulic engineering |
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| Publication Number | Publication Date |
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| CN213295204U true CN213295204U (en) | 2021-05-28 |
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| CN202020460448.2U Active CN213295204U (en) | 2020-04-01 | 2020-04-01 | Anti-abrasion concrete protective coating structure for hydraulic engineering |
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| CN (1) | CN213295204U (en) |
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2020
- 2020-04-01 CN CN202020460448.2U patent/CN213295204U/en active Active
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