CN105272103A - Color cement mortar composition for repairing concrete structure and method for repairing concrete structure using the composition - Google Patents

Color cement mortar composition for repairing concrete structure and method for repairing concrete structure using the composition Download PDF

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Publication number
CN105272103A
CN105272103A CN201510199270.4A CN201510199270A CN105272103A CN 105272103 A CN105272103 A CN 105272103A CN 201510199270 A CN201510199270 A CN 201510199270A CN 105272103 A CN105272103 A CN 105272103A
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weight
weight part
mixture
concrete structure
repairing
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CN105272103B (en
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李勇教
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Green And Clean Eco Co ltd
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Green And Clean Eco Co ltd
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    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/30—Oxides other than silica
    • C04B14/308—Iron oxide
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/06—Macromolecular compounds fibrous
    • C04B16/0675—Macromolecular compounds fibrous from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B16/0691—Polyamides; Polyaramides
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
    • C04B24/42—Organo-silicon compounds
    • 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
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/32—Aluminous cements
    • C04B7/323—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/54—Pigments; Dyes
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/72—Repairing or restoring existing buildings or building materials
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/80—Optical properties, e.g. transparency or reflexibility
    • C04B2111/82—Coloured materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to a color cement mortar composition for repairing a concrete structure and a method for repairing a concrete structure using the same, wherein the color cement mortar composition comprises 5-70 wt% of an inorganic-based binder including an inorganic pigment, 25-85 wt% of a fine aggregate, 0.01-20 wt% of a polymer-based admixture, and 0.1-20 wt% of water. According to the invention, the color cement mortar composition has strength and durability and especially, excellent neutralization resistance, acid resistance, and salt resistance; and functions in preventing the neutralization and improving the durability and legibility. In the invention, for construction, an automatic facility is used, so that construction can be easily performed. Construction duration is shortened and labor costs are reduced, so that economical feasibility is ensured. Excellent construction qualities are maintained, so that maintenance costs can be remarkably reduced. The fine aggregate used in the present invention is mixed with dolomite having excellent strength, wear resistance, and fire resistance, so that color cement mortar composition has excellent wear resistance, landscape-harmonized properties, and fire resistance.

Description

Concrete structure repairing colored cement mortar mixture and the method for concrete structure being repaired with it
Technical field
The method that the present invention relates to concrete structure repairing colored cement mortar mixture and with it, concrete structure is repaired.Specifically, the especially anti-neutral voltinism of intensity and weather resistance, acid resistance and resistance to salt damage excellent, the tunnel recovered after the underground roadways and presence of fire of sewage closed conduit and neutralisation, the motorway works uniform cross section being subject to salt damage because of Snow Agent recovers to repair surperficial processing operation, the concrete pier surface treatment operation of railroad bridge, newly-built concrete-bridge surface treatment operation, the concrete surface processing operation of building external, underground parking, water purification plant, all concrete structures such as sewage work's works use, neutralisation can be prevented and strengthen weather resistance, and promote identity, execute utilization of hour automatic equipment, can convenience on lifting construction, the reduction duration, save labour cost and promote economy, construction effect is good and hold time longer and significantly save maintenance cost, in addition contained by the fine aggregate used, dolomite composition has intensity, wear resistance and the stronger characteristic of resistivity against fire and intensity, wear resistance and coordination of landscape and the excellent concrete structure repairing colored cement mortar mixture of resistivity against fire and the method for concrete structure being repaired with it.
Background technology
The degraded performance of concrete structure means, under the impact of the factors such as the deterioration damage that the variable color that the chemical etching that concrete causes in neutralisation, salt damage, freeze injury, Snow Agent, alkali-aggregate reaction, fatigue, vehicle coal smoke cause, fire cause, As time goes on lose original function gradually and the phenomenon of degradation.
Under general environment, owing to being subject to the impact of carbonic acid gas in air and acid rain, works is long for duration of service, the vehicle exhaust sulfite compositions such as underground roadways etc. promote works neutralisation, make that variable color appears in concrete, stripping, be full of cracks, reinforcing bar get rusty, Snow Agent causes chemical corrosion and reduces the weather resistance of works, and increasing maintenance cost.Especially, the neutralisation of the road dependency structure thing such as underground roadways, tunnel, bridge, railway works is day by day serious.Water purification plant's blowoff basin, sewage terminal wastewater treatment plant process road etc. be duration of service longer when, for keeping in repair the works of surperficial neutralisation, repair behind cross section with anti-neutral agent process with maintenance mortar, but by works back side ground water pressure, pit, adhesion contact face are peeled off, are peeled off and cannot construct.For addressing these problems, color being added to mortar, not using coating agent also can solve the upper Problems existing of these constructions.
The central authorities of concrete structure especially bridge base plate, bridge post, motorway are separated wall, road passage closed conduit, bottom bridge, underground roadways, water purification plant, sewage work's works etc. is because of deterioration factors such as neutralisation, salt damage, freeze injuries, concrete easily produces be full of cracks, and As time goes on, concrete compressive strength and tensile strength decline gradually, then continue to occur degradation phenomena and corrosion reinforcing bar from the concrete that exposes of be full of cracks position.Reinforcement corrosion phenomenon seriously can make concrete structure be destroyed.
Above background technology content referenced patent document: Korean Patent Registration numbering 10-0772621.
Summary of the invention
technical problem
A kind of method that the problem to be solved in the present invention is to provide concrete structure repairing colored cement mortar mixture and repairs concrete structure with it.This concrete structure repairing colored cement mortar mixture is, the especially anti-neutral voltinism of intensity and weather resistance, acid resistance and resistance to salt damage excellent, the tunnel recovered after the underground roadways and presence of fire of sewage closed conduit and neutralisation, the motorway works uniform cross section being subject to salt damage because of Snow Agent recovers to repair surperficial processing operation, the concrete pier surface treatment operation of railroad bridge, newly-built concrete-bridge surface treatment operation, the concrete surface processing operation of building external, underground parking, water purification plant, all concrete structures such as sewage work's works use, neutralisation can be prevented and strengthen weather resistance, and promote identity, execute utilization of hour automatic equipment, can convenience on lifting construction, the reduction duration, save labour cost and promote economy, construction effect is good and hold time longer and significantly save maintenance cost, in addition contained by the fine aggregate used, dolomite composition has intensity, wear resistance and the stronger characteristic of resistivity against fire and intensity, wear resistance and coordination of landscape and resistivity against fire excellent.
The invention provides concrete structure repairing colored cement mortar mixture, comprise: inorganic binder 5 ~ 70 % by weight, fine aggregate 25 ~ 85 % by weight, polymer system mixture 0.01 ~ 20 % by weight and water 0.1 ~ 20 % by weight; Described polymer system mixture comprises styrene butadiene 50 ~ 99 % by weight, polymethylmethacrylate 0.1 ~ 20 % by weight, silicone resin 0.1 ~ 20 % by weight and silane resin 0.1 ~ 20 % by weight; Described inorganic structure material comprises: white cement 20 ~ 90 % by weight, blast furnace slag powder 5 ~ 60 % by weight, silica gel powder 1 ~ 20 % by weight, dehydrated gyp-1 ~ 20 % by weight, calcium or magnesium system sulplo-aluminate 1 ~ 30 % by weight, aluminium cement 0.1 ~ 20 % by weight, zinc oxide 0.01 ~ 10 % by weight, wilkinite 0.01 ~ 10 % by weight, aluminosilicate rice husk ash 0.01 ~ 10 % by weight and mineral dye 0.01 ~ 10 % by weight; Described fine aggregate comprises: quartzite matter white quartz sand 45 ~ 98 % by weight, grouan matter quartz sand 1 ~ 30 % by weight and dolomite 1 ~ 54 % by weight.
Described polymer system mixture also comprises: the mixture 0.01 ~ 10 % by weight polyacrylonitrile and methylcellulose gum mixed with the weight ratio of 0.1 ~ 0.8:0.2 ~ 0.9; Ethylene-vinyl acetate copolymer 0.01 ~ 20 % by weight and cinnamic acrylic ester 0.01 ~ 20 % by weight.
Described polymer system mixture can also comprise ethylene-vinyl acetate copolymer 0.01 ~ 20 % by weight.
Described polymer system mixture can also comprise cinnamic acrylic ester 0.01 ~ 20 % by weight.
Described inorganic binder can also comprise titanium oxide 0.01 ~ 10 % by weight.
Described inorganic binder also comprises: fiber enhancer 0.01 ~ 10 % by weight and fiber enhancer 0.01 ~ 10 % by weight; Described fiber enhancer uses to be selected from nylon, polyethylene and more than one fibers polyacrylic.
Described mineral dye can use and be selected from red iron oxide, Zh 1, chromic oxide (CrO 3), purple oxidation money and black iron oxide in more than one materials.
The invention provides the method that concrete structure carries out repairing, comprising: cut the impurity of concrete structure and laitance with hand-held roughening device and form the stage of micropore; The stage of primer process is implemented at the position forming micropore; Concrete structure repairing colored cement mortar mixture described in the coating of the described top through primer process and repair stage in cross section; And the result thing of pair cross-section reparation implements the surface-treated stage.
In addition, the present invention includes: the stage of removing the impurity of concrete structure, laitance or deteriorated position with hand-held Water Cutting device or high-pressure cleaner; Removing the stage of position being implemented primer process; In the described stage of repairing cross section through primer treated side upper pouring cross section repairing polymer cement mortar mixture; Concrete structure repairing colored cement mortar mixture described in the coating of the top of the described cross section repairing polymer water Buddhist nun mortar mixture of cast and repair stage in cross section; The result thing that pair cross-section is repaired implements the surface-treated stage.
Described primer process uses the above material of at least one being selected from styrene-butadiene latexes, polyacrylic ester, ethylene-vinyl acetate copolymer, methyl methacrylate, silane based compound and described polymer system mixture.
The stage for improving identity, didirtresistance and weather resistance and coated surface process material can also be comprised after described surface treatment stage; Described finish materials can use the above material of at least one being selected from styrene-butadiene latexes, polyacrylic ester, ethylene-vinyl acetate copolymer, methyl methacrylate, silane based compound, silicon system mineral compound and described polymer system mixture.
Described cross section repairing sand-cement slurry mixture comprises: inorganic binder 5 ~ 70 % by weight, fine aggregate 25 ~ 85 % by weight, polymer system mixture 0.01 ~ 20 % by weight and water 0.1 ~ 20 % by weight; Described inorganic binder comprises: ordinary Portland cement 20 ~ 86 % by weight, blast furnace slag powder 10 ~ 60 % by weight, silica gel powder 1 ~ 20 % by weight, dehydrated gyp-1 ~ 20 % by weight, calcium or magnesium system sulplo-aluminate 1 ~ 15 % by weight, aluminium cement 0.1 ~ 10 % by weight, zinc oxide 0.01 ~ 10 % by weight, wilkinite 0.01 ~ 10 % by weight, aluminosilicate rice husk ash (ricehuskash) 0.01 ~ 10 % by weight; Described fine aggregate comprises: grouan matter quartz sand 45 ~ 98 % by weight, furnace bottom ash 1 ~ 30 % by weight and dolomite 1 ~ 54 % by weight; Described polymer system mixture comprises: styrene butadiene 50 ~ 99 % by weight, polymethylmethacrylate 0.1 ~ 20 % by weight, silicone resin 0.1 ~ 20 % by weight and silane resin 0.1 ~ 20 % by weight.
The advantage that the present invention has is:
Materials such as the polymer system mixture that the inorganic structure material that working strength of the present invention, preservative property, acid resistance, identity, didirtresistance etc. are all strong and mobility, elasticity, bounding force, acid resistance, alkali resistance, anti-neutral voltinism, water tolerance, intensity, weather resistance etc. are all strong and mobility, elasticity, bounding force, acid resistance, resistance to salt damage, anti-neutral voltinism, water tolerance, preservative property, identity, didirtresistance, intensity, weather resistance are significantly got a promotion.
Dolomite composition contained by fine aggregate used has the outstanding characteristic of intensity, wear resistance and resistivity against fire and wear resistance, coordination of landscape and resistivity against fire are excellent.
Use mineral dye to embody various color promote the brightness of illumination of the darker parts such as underground roadways and reduce electrisity consumption, on works, increasing colour makes works more attractive in appearance and promotes the concordance with surrounding landscape.
According to concrete structure repairing colored cement mortar mixture of the present invention, the especially anti-neutral voltinism of intensity and weather resistance, acid resistance and resistance to salt damage are given prominence to, the tunnel repaired after the underground roadways and presence of fire of sewage closed conduit and neutralisation, the motorway works uniform cross section being subject to salt damage because of Snow Agent recovers to repair surperficial processing operation, the concrete pier surface treatment operation of railroad bridge, newly-built concrete-bridge surface treatment operation, the concrete surface processing operation of building external, underground parking, water purification plant, all concrete structures such as sewage work's works use, neutralisation can be prevented and strengthen weather resistance, execute utilization of hour automatic equipment, can convenience on lifting construction, the reduction duration, save labour cost and promote economy, construction effect is good and hold time longer and significantly save maintenance cost.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The concrete structure repairing colored cement mortar mixture of the preferred embodiment of the present invention comprises: containing the inorganic binder 5 ~ 70 % by weight of pigment dyestuff, fine aggregate 25 ~ 85 % by weight, polymer system mixture 0.01 ~ 20 % by weight and water 0.1 ~ 20 % by weight.
Described polymer system mixture uses for improving the character such as usable time, workability, mobility, elasticity, bounding force, acid resistance, resistance to salt damage, anti-neutral voltinism, water tolerance, intensity and weather resistance, can comprise improve styrene butadiene needed for bounding force and weather resistance, improve polymethylmethacrylate needed for acid resistance and alkali resistance, prevention concrete neutralisation and the silicone resin improved needed for ultraviolet isolation effect and the silane resin improved needed for water tolerance, surface strength and weather resistance.Described polymer system mixture preferably comprises: styrene butadiene 50 ~ 99 % by weight, polymethylmethacrylate 0.1 ~ 20 % by weight, silicone resin 0.1 ~ 20 % by weight and silane resin 0.1 ~ 20 % by weight.
The content of described polymer system mixture in concrete structure repairing colored cement mortar mixture preferably 0.01 ~ 20 % by weight.When the content of described polymer system mixture is more than 20 % by weight, viscosity degradation and material is easily separated, postpones hydration reaction, reduces early anti pressured intension development, reduces the competitive edge in price simultaneously.The content of described polymer system mixture lower than 0.01 % by weight time, described bounding force, acid resistance, resistance to salt damage, anti-neutral voltinism, water tolerance, intensity, durability improvement effect can be low.
Described styrene butadiene is used for improving, intensity, adhesive power and weather resistance.The content of described styrene butadiene in described polymer system mixture preferably 50 ~ 99 % by weight, when described styrene butadiene content is less than 50 % by weight, bonding force between inorganics, adhesive power and durability improvement effect are low, when the content of described styrene butadiene is more than 99 % by weight, the improvement effect of adhesive power and weather resistance can reach capacity.
Described polymethylmethacrylate is used for the viscosity reducing the colored cement mortar mixture needed for mending concrete works, and strengthens workability and ductility.Acidproof and the alkali resistance of described polymethylmethacrylate is excellent, can improve intensity.The content of described polymethylmethacrylate in described polymer system mixture preferably 0.1 ~ 20 % by weight, described polymethylmethacrylate content is more than 20 % by weight, the performance of the sand-cement slurry mixture needed for concrete structure repairing can be improved, but price competitiveness declines, when described polymethylmethacrylate content is less than 0.1 % by weight, ductility, resistance to person's character, alkali resistance and strength improving effect are low.
Described silicone resin is for improving prevention concrete neutralisation and isolation ultraviolet effect.The content of described silicone resin in described polymer system mixture preferably 0.1 ~ 20 % by weight.The content of described silicone resin, more than 20 % by weight, can improve performance, but the competitive edge in price can decline.When the content of described silicone resin is less than 0.1, workability can improve, but prevention neutralisation and isolation ultraviolet effect can be low.
Described silane resin is for improving the water tolerance of concrete structure repairing colored cement mortar mixture, surface strength and weather resistance.The content of described silane resin in described polymer system mixture preferably 0.1 ~ 20 % by weight.When described silane resin content is more than 20 % by weight, concrete structure repairing sand-cement slurry mixture can improve performance, but the competitive edge in price declines.When the content of described silane resin is less than 0.1 % by weight, surface strength and weather resistance effect low.
Described polymer system mixture is that imparting cohesive force and material separation are preventative to form stable concrete structure, and can also comprise with weight ratio is the mixture 0.01 ~ 10 % by weight that polyacrylonitrile and methylcellulose gum mix by 0.1 ~ 0.8:0.2 ~ 0.9.It is preventative and contribute to the formation of stable concrete body that the mixture of described polyacrylonitrile and methylcellulose gum can give mobility, cohesiveness and material separation, can be obtained in addition in anti-sealing pollute and the effect of protection concrete structure reinforcing bar by excellent cohesive force.The mixture of described polyacrylonitrile and the methylcellulose gum content in described polymer system mixture preferably 0.01 ~ 10 % by weight.When the content of the mixture of described polyacrylonitrile and methylcellulose gum is more than 10 % by weight, viscosity improves and operability is low, when the mixture content of described polyacrylonitrile and methylcellulose gum is less than 0.01 % by weight, workability can improve, but the preventative imparting effect of mobility, cohesive force and material separation can be low.
Described polymer system mixture can also comprise ethylene-vinyl acetate.Described ethylene-vinyl acetate is for improving the bounding force of concrete structure repairing colored cement mortar mixture, weather resistance and thermotolerance.Described ethylene-vinyl acetate is for improving the bounding force of concrete structure repairing colored cement mortar mixture, weather resistance and thermotolerance.The content of described ethylene-vinyl acetate in polymer system mixture preferably 0.01 ~ 20 % by weight.When the content of described ethylene-vinyl acetate is more than 20 % by weight, the performance of concrete structure repairing colored cement mortar mixture can be improved, but price advantage can decline.When the content of described ethylene-vinyl acetate is less than 0.1 % by weight, the workability of concrete structure repairing sand-cement slurry mixture can be improved, but low under bounding force, weather resistance and improved heat resistance effect.
Described polymer mixt can also comprise cinnamic acrylic ester.Described cinnamic acrylic ester is used for acid resistance and the alkali resistance of Concrete Structure works repairing colored cement mortar mixture.The content of described cinnamic acrylic ester in polymer system mixture preferably 0.01 ~ 20 % by weight.When described cinnamic acrylic ester content is more than 20 % by weight, the performance of concrete structure repairing colored cement mortar mixture improves, but the competitive edge in price declines.When described cinnamic acrylic ester content is less than 0.01 % by weight, the workability of concrete structure repairing colored cement mortar mixture is improved, but acid resistance and alkali resistance reinforced effects can be low.
Described polymer system mixture can also comprise for removing in polymer system mixture bubble to strengthen the defoamer of intensity and weather resistance.Described defoamer is for removing bubble in described polymer system mixture to strengthen intensity and weather resistance.Described defoamer is added into polymer system mixture, then gives bleed effect and promote workability and usable time.The content of described defoamer in described polymer system mixture preferably 0.01 ~ 5 % by weight.Described defoamer can use ethanol system defoamer, silicon system defoamer, fatty acid series defoamer, oil system defoamer, ester system defoamer, oxyalkylene system defoamer etc.Described silicon system defoamer can use dimethyl silicone oil, polysiloxane, fluorosilicon oil etc.Described fatty acid series defoamer can use stearic acid, oleic acid etc.Described oil system defoamer can use kerosene, vegetable and animals oils, castor-oil plant wet goods.Described ester system defoamer can use sorbitan monooleate (sorbitantrioleate), glycerolMonorinolate etc.Described oxyalkylene system defoamer can use polyoxyalkylene, acetylene ether, polyoxyalkylene fatty acid ester, polyoxyalkylene alkyl amines etc.Described ethanol system defoamer can make spent glycol (glycol).
Described polymer system mixture can also comprise minimizing water cement ratio to improve the water reducer of intensity and weather resistance.Described water reducer is for reducing water cement ratio to improve intensity and weather resistance and to ensure the mobility of polymer system mixture.In polymer system mixing, add water reducer can reduce water cement ratio.The content of described water reducer in polymer system mixture preferably 0.01 ~ 5 % by weight.Described water reducer can use polycarboxylic acid series, melamine series or naphthalene water reducer, but naphthalene system and Melamine system are compared with polycarboxylic acid series, the intensity of mixture reduces, workability and usable time reduce, and therefore preferably use intensity, workability and the poly carboxylic acid series water reducer of serviceable time that can not reduce mixture.
The environmental protection inorganic binder of intensity and weather resistance brilliance can comprise white cement, blast-furnace slag powder, silica gel powder, dehydrated gyp-, calcium or magnesium system sulplo-aluminate, aluminium cement, zinc oxide, wilkinite, aluminosilicate rice husk ash and mineral dye.Described inorganic binder preferably comprises: white cement 20 ~ 90 % by weight, high rice slag powders 5 ~ 60 % by weight, silica gel powder 1 ~ 20 % by weight, dehydrated gyp-1 ~ 20 % by weight, calcium or magnesium system sulplo-aluminate 1 ~ 30 % by weight, aluminium cement 0.1 ~ 20 % by weight, zinc oxide 0.01 ~ 10 % by weight, wilkinite 0.01 ~ 10 % by weight, aluminosilicate rice husk ash (ricehuskash) 0.01 ~ 10 % by weight and mineral dye 0.01 ~ 10 % by weight.
Described white cement preferably uses the cement meeting KS standard.The content of described white cement in described inorganic binder preferably 20 ~ 90 % by weight.When described white cement content is more than 90 % by weight, colourity and workability can be improved, but intensity and weather resistance can decline.When the content of described white cement is less than 20 % by weight, identity can decline.
Described blast-furnace slag powder is for strengthening latent hydraulicity characteristic, longterm strength developing ability and weather resistance.The weight ratio increase of described blast furnace slag powder then early strength can decline, but longterm strength developing ability and weather resistance are strengthened.The content of described blast furnace slag powder in described inorganic binder preferably 5 ~ 60 % by weight.When the content of described blast furnace slag powder is more than 60 % by weight, early strength developing ability can decline, and when the content of described blast furnace slag powder is less than 5 % by weight, longterm strength and durability improvement effect can be low.
Described silica gel powder is for strengthening latent hydraulicity characteristic, longterm strength developing ability and weather resistance.The weight ratio of described silica gel powder increases, then early strength can reduce, but longterm strength developing ability and weather resistance can strengthen.Described silica gel powder is content preferably 1 ~ 20 % by weight in described inorganic binder.When the content of described silica gel powder is more than 20 % by weight, early strength developing ability can decline, and when the content of described silica gel powder is less than 1 % by weight, longterm strength and durability improvement effect can be low.
Described dehydrated gyp-(CaS0 4) with cement in composition especially with C 3a (3CaOAl2O 3) produce reaction and generate aluminite (Aft phase, C in early days 3a3CaSO 432H 2o), the aluminite of generation is along with the carrying out of aquation, and its amount reduces or its part is transferred as vitriol (AFm phase, C3ACaSO412H2O).As described herein, a large amount of dehydrated gyp-that adds then fully generates aluminite from early days, makes the structure of cement closely knit and the Anti-Chloride Ion Penetration that strengthens in early stage ripening process.For Portland cement, the aluminite generated only is present in early days, but inorganic binder of the present invention to be the addition of gypsum abundant, therefore in long-term ripening process, can aluminite be there is at definite part, or a part of aluminite can generate continuously.Fill gaps in concrete body can obtain more closely knit by the aluminite of generation like this, therefore in long-term ripe process, also can strengthen Anti-Chloride Ion Penetration.The content of described dehydrated gyp-in described inorganic binder preferably 1 ~ 20 % by weight.When the content of described dehydrated gyp-is more than 20 % by weight, early strength development impact is excellent, but weather resistance can decline.When the content of described dehydrated gyp-is less than 1 % by weight, early strength development can be slow.
Described calcium or magnesium system sulplo-aluminate are the inorganic fast rigid mineral materials added for strengthening hydration reaction ability crackle preventing, contact with water to produce at instantaneous time and react and generate hydrate aluminite (Ettringite), therefore, together with cement mixing, excellent compressive strength can be obtained at short notice.Described calcium or magnesium system sulplo-aluminate refer to and comprise calcium or magnesium sulplo-aluminate.Described calcium or the content of magnesium system sulplo-aluminate in described inorganic binder preferably 1 ~ 30 % by weight.When the weight ratio of described calcium or magnesium system sulplo-aluminate increases, snap cure characteristic good.When the content of described calcium or magnesium system sulplo-aluminate is less than 1 % by weight, improving intensity and prevent crack effect can be low.When the content of described calcium or magnesium system sulplo-aluminate is more than 30 % by weight, setting rate is fast and physical properties performance is good, but manufacturing cost increases and causes economy to decline.
Described aluminium cement is for improving resistance to chemical reagents especially acid resistance.The content of described aluminium cement in described inorganic structure material preferably 0.1 ~ 20 % by weight.The weight ratio increase of described aluminium cement then shows rapid hardening characteristic, and when the content of described aluminium cement is less than 0.1 % by weight, it is low that resistance to chemical reagents and acid resistance improve effect.When the content of described aluminium cement is more than 20 % by weight, setting rate is fast and physical properties performance is good, but manufacturing cost increases and causes economy to decline.
Described zinc oxide is used for anticorrosion and anti-microbial effect.The content of described zinc oxide in described inorganic binder preferably 0.01 ~ 10 % by weight.The weight ratio increase of described zinc oxide then antifouling property is reinforced, when the content of described zinc oxide is less than 0.01 % by weight, antibacterial and antifouling property effect is low.When the content of described zinc oxide is more than 10 % by weight, strength development inferior capabilities, manufacturing cost increases and economy declines.
Described wilkinite is a kind of porous inorganic material, can play the effect of sorbing material.The content of described wilkinite in described inorganic binder preferably 0.01 ~ 10 % by weight.Described bentonitic weight ratio increase then can improve viscosity, and when described bentonitic content is less than 0.01 % by weight, improving viscosity and adsorption effect can be low.When described bentonitic content is more than 10 % by weight, workability is low, and manufacturing cost increases and economy declines.
Described aluminosilicate rice husk ash micro mist is for strengthening latent hydraulicity, longterm strength development and weather resistance.The weight ratio of described aluminosilicate rice husk ash micro mist increases, then early strength can be low, but longterm strength developing ability and weather resistance increase.The content of described aluminosilicate rice husk ash micro mist in described inorganic binder preferably 0.01 ~ 10 % by weight.
Described mineral dye is used for realizing shades of colour.The content of described mineral dye in described inorganic binder preferably 0.01 ~ 10 % by weight.Described mineral dye can use more than one materials being selected from red iron oxide, Zh 1, chromic oxide (Cr03), purple ferric oxide and black iron oxide (CARBON BLACK), thus realizes the multiple color such as redness, green, yellow, black, blueness, white.
Described inorganic binder can also comprise titanium oxide 0.01 ~ 10 % by weight.Described titanium oxide is for playing anticorrosion and anti-microbial effect.The content of described titanium oxide in described inorganic binder preferably 0.01 ~ 10 % by weight.The weight ratio increase of described oxygen titanium then can play antifouling property.When the content of described titanium oxide is less than 0.01 % by weight, anticorrosion, antibacterial and antifouling property is low, and when the content of described titanium oxide is more than 10 % by weight, strength development inferior capabilities, manufacturing cost increases and economical.
Described inorganic binder can also comprise water reducer.Described water reducer, for reducing the water cement ratio of inorganic binder, improves intensity and weather resistance further.Described water reducer can use polycarboxylic acid series, melamine series or naphthalene series high-efficiency water-reducing agent.Trimeric cyanamide or naphthalene series high-efficiency water-reducing agent are compared with poly carboxylic acid series water reducer, and lowly, it is little that water cement ratio lowers effect, mixes with polymer system mixture for intensity and durability improvement effect, produces frothing and have the bad defect of Combination.Therefore described water reducer preferably uses poly carboxylic acid series water reducer, the content in described inorganic binder preferably 0.01 ~ 2 % by weight.
Described inorganic binder can also comprise retardant.Described retardant is for guaranteeing workability in certain hour and delaying snap cure.The content of described retardant in described inorganic binder preferably 0.01 ~ 2 % by weight.Described retardant can select more widely used material.Such as, the sugar such as glucose (glucose), dextrin, dextran system and the acid such as gluconic acid, oxysuccinic acid, Acidum Citricum (Citricacid) system or its salt, amino acid or its salt, phosphonic acids or derivatives thereof, polyvalent alcohol are as glycerine etc.
Described inorganic binder can also comprise fiber enhancer.Described fiber enhancer is for improving toughness, adhesion strength and minimizing temperature-caused shrinkage.The content of described fiber enhancer in described inorganic binder preferably 0.01 ~ 10 % by weight.Described fiber enhancer preferably uses and is selected from nylon, polyethylene and more than one fibers polyacrylic.
Described fine aggregate can comprise quartzite matter white quartz sand, grouan matter quartz sand and dolomite.Described fine aggregate preferably comprises: quartzite matter white quartz sand 45 ~ 98 % by weight, grouan matter quartz sand 1 ~ 30 % by weight, dolomite 1 ~ 54 % by weight are advisable.General aggregate is divided into fine aggregate and coarse aggregate, and coarse aggregate refers to the aggregate of more than particle diameter 5mm, and below particle diameter 5mm's is exactly fine aggregate compared with coarse aggregate.
Described quartzite matter white quartz sand is for improving visuality and colourity, and preferably size of particles is between No. four sand to 8 sand (0.05 ~ 2.0mm).The size of particles of quartzite matter white quartz sand exceedes this size, then the mobility of concrete structure repairing colored cement mortar mixture may decline, and the workability being less than this size then concrete structure repairing colored cement mortar mixture may decline.The content of described quartzite matter white quartz sand in described fine aggregate preferably 45 ~ 98 % by weight.When the content of described quartzite matter white quartz sand is more than 98 % by weight, visuality and colourity can be improved, but the competitive edge in price can decline.When the content of described quartzite matter white quartz sand is less than 45 % by weight, the improvement effect of identity and colourity can be low.
Size of particles preferably No. four sand to eight sand (0.05 ~ 2.0mm) of described grouan matter quartz sand.The size of particles of described grouan matter quartz sand is greater than this size, then the mobility of concrete structure repairing colored cement mortar mixture can decline, and the workability being less than this size then concrete structure repairing colored cement mortar mixture can decline.The content of described grouan matter quartz sand in described fine aggregate preferably 1 ~ 30 % by weight.
Described dolomite is in white, and proportion is 2.9, and intensity is about 4, is the aggregate that intensity, wear resistance and resistivity against fire are excellent, for strengthening intensity, wear resistance and resistivity against fire in concrete structure repairing sand-cement slurry mixture.The content of described dolomite in described fine aggregate preferably 1 ~ 54 % by weight.
The cross section repairing sand-cement slurry mixture of the preferred embodiment of the present invention comprises inorganic binder 5 ~ 70 % by weight, fine aggregate 25 ~ 85 % by weight, polymer system mixture 0.01 ~ 20 % by weight and water 0.1 ~ 20 % by weight.
Described inorganic binder comprises: common Silicate Rocks cement 20 ~ 86 % by weight, furnace slag powder 10 ~ 60 % by weight, silica gel powder 1 ~ 20 % by weight, dehydrated gyp-1 ~ 20 % by weight, calcium or magnesium system sulplo-aluminate 1 ~ 15 % by weight, aluminium cement 0.1 ~ 10 % by weight, zinc oxide 0.01 ~ 10 % by weight, wilkinite 0.01 ~ 10 and aluminosilicate rice husk ash (ricehuskash) 0.01 ~ 10 % by weight.
Described inorganic binder can also comprise titanium oxide 0.01 ~ 10 % by weight.
Described inorganic binder can also comprise water reducer 0.01 ~ 2 % by weight.Described water reducer can use polycarboxylic acid series, melamine series or naphthalene series high-efficiency water-reducing agent.
Described inorganic binder can also comprise retardant 0.01 ~ 2 % by weight.Described retardant can use well-known material, and such as the acid system such as the sugar such as glucose (glucose), dextrin, dextran system and gluconic acid, oxysuccinic acid, Acidum Citricum (Citricacid) or its salt, amino acid or its salt, phosphonic acids or derivatives thereof, polyvalent alcohol are as glycerine etc.
Described inorganic binder can also comprise fiber enhancer 0.01 ~ 10 % by weight.Described fiber enhancer preferably uses to be selected from nylon, polyethylene and more than one fibers polyacrylic.
Described inorganic binder can also comprise mineral dye 0.01 ~ 10 % by weight.Described mineral dye can use more than one materials being selected from red iron oxide, Zh 1, chromic oxide (Cr03), purple ferric oxide and black iron oxide (CARBON BLACK).
Described fine aggregate can comprise grouan matter quartz sand 45 ~ 98 % by weight, furnace bottom ash 1 ~ 30 % by weight and dolomite 1 ~ 54 % by weight.
Described polymer system mixture can comprise styrene butadiene 50 ~ 99 % by weight, polymethylmethacrylate 0.1 ~ 20 % by weight, silicone resin 0.1 ~ 20 % by weight and silane resin 0.1 ~ 20 % by weight.
Described polymer system mixture is for imparting cohesive force and anti-material separation are to form stable concrete body, can also comprise: the mixture 0.01 ~ 10 % by weight that polyacrylonitrile and methylcellulose gum mix with 0.1 ~ 0.8:0.2 ~ 0.9 ratio.
Described polymer system mixture can also comprise ethylene-vinyl acetate 0.01 ~ 20 % by weight.
Described polymer system mixture can also comprise cinnamic acrylic ester 0.01 ~ 20 % by weight.
Described polymer system mixture can also comprise containing the bubble in clear Chu polymer system mixture to strengthen the defoamer 0.01 ~ 5 % by weight of intensity and weather resistance.Described defoamer can use ethanol system defoamer, silicon system defoamer, fatty acid series defoamer, ester system defoamer, oxyalkylene system defoamer etc.
Described polymer system mixture can also comprise for reducing water cement ratio to improve the water reducer 0.01 ~ 5 % by weight of intensity and weather resistance.Described water reducer can use polycarboxylic acid series, melamine series, naphthalene water reducer.
The following describes the concrete structure repairing colored cement mixture of the preferred embodiment of the present invention and the manufacture method of cross section repairing sand-cement slurry mixture.
The concrete structure repairing colored cement mortar mixture of the preferred embodiment of the present invention is, described inorganic binder 5 ~ 70 % by weight and fine aggregate 25 ~ 85 % by weight after pre-stirring, are stirred given time (as 1 ~ 10 minute) with forced action mixer or continuous mixing device after adding described polymer system mixture 0.01 ~ 20 % by weight and water 0.1 ~ 20 % by weight and make in forced action mixer.
The cross section repairing sand-cement slurry mixture of the preferred embodiment of the present invention is, after described inorganic binder 5 ~ 70 % by weight and fine aggregate 25 ~ 85 % by weight are stirred in advance in forced action mixer, add described polymer system mixture 0.01 ~ 20 % by weight and water 0.1 ~ 20 % by weight again, then stir given time (as 1 ~ 10 minute) at forced action mixer or continuous mixing device and make.
The following describes the method for repairing and mending of the concrete structure of above-mentioned concrete structure repairing colored cement mortar mixture and use cross section repairing sand-cement slurry mixture.Alleged concrete structure refers to the works be made up of concrete below, as the central strip etc. of the dependency structure things such as bridge, sewage closed conduit, underground roadways, underground parking, water purification plant, sewage work, neutralisation tunnel, laboratory, food factory, animal house ground, marine concrete structure thing, concrete in water works, outfall sewer canal, pavement of road, bridge floor, the concrete slab of bridge, the newly-built connector portions of bridge, motorway.
The method that the concrete structure of the preferred embodiment of the present invention carries out repairing comprises: cut the impurity of concrete structure and laitance with hand chisel hair device and form the stage of micropore; The position forming micropore is implemented to the stage of primer process; Described concrete structure repairing colored cement mortar mixture is applied to repair the stage in cross section on the top of described enforcement primer process; The result thing that pair cross-section is repaired implements the surface-treated stage.After surface treatment stage, for improving identity, didirtresistance and weather resistance, the stage of coated surface process material can also be comprised as required.
Described primer process refers to as described concrete structure repairing colored cement mortar mixture is easy to adhere to concrete structure and coating substance.Described primer process can use more than one the material being selected from styrene-butadiene latex, polyacrylate, ethylene-vinyl acetate copolymer, methyl methacrylate, silane compound and described polymer system mixture, but is not limited to this.
Described finish materials can use to be selected from more than one material of styrene-butadiene latex, polyacrylate, ethylene-vinyl acetate copolymer, methyl methacrylate, silane compound and described polymer system mixture, but be not limited to this.
The method that the concrete structure of the preferred embodiment of the present invention carries out repairing comprises: use the stage that hand-held Water Cutting device, cleaning device using high pressure water impurity, laitance, deteriorated position etc. to concrete structure are removed; Removing the stage of position enforcement primer process; Described primer process works upper pouring cross section repairing polymer cement mortar mixture and repair stage in cross section; Apply described concrete structure repairing colored cement mortar mixture on the described cross section repairing polymer cement mortar mixture top of cast and repair the stage in cross section; The result thing that pair cross-section is repaired implements the surface-treated stage.
The front stage of reinforcing bar being carried out to antirust treatment to reinforcing bar and the described primer treatment stage of removing can also be comprised for described deteriorated position.When using described hand-held Water Cutting device, cleaning device using high pressure water, the reinforcing bar of concrete structure can not expose under normal circumstances, but when deterioration is serious, reinforcing bar can expose from deteriorated position, for preventing reinforcement corrosion preferably to carry out antirust treatment when therefore reinforcing bar exposes.
Described primer process refers to as described cross section repairing polymer cement mortar mixture is easy to adhere to concrete structure and coating substance.Described primer process can use and be selected from more than one material of styrene-butadiene latex, polyacrylate, ethylene-vinyl acetate copolymer, methyl methacrylate, silane compound and described polymer system mixture, but is not limited to this
The embodiment of concrete structure repairing colored cement mortar mixture of the present invention and cross section repairing sand-cement slurry mixture is described in detail in detail, but the present invention is not limited to following examples below.
< embodiment 1>
1-1. cross section is repaired and is used sand-cement slurry mixture
Inorganic binder 45 % by weight and fine aggregate 45 % by weight are added polymer system mixture 6 % by weight, water 4 % by weight after pre-stirring in forced action mixer, then stirs in forced action mixer and within two minutes, make cross section repairing sand-cement slurry mixture.
Described inorganic system binder is by used in combination to ordinary Portland cement 35 % by weight, furnace slag powder 15 % by weight, silica gel powder 6 % by weight, dehydrated gyp-6 % by weight, calcium sulphoaluminate 20 % by weight, aluminium cement 10 % by weight, zinc oxide 2 % by weight, wilkinite 2 % by weight, aluminosilicate rice husk ash 3 % by weight, retardant 0.3 % by weight, water reducer 0.2 % by weight and fiber enhancer 0.5 % by weight.Described retardant uses Acidum Citricum.Described water reducer uses poly carboxylic acid series water reducer.Described fiber enhancer uses nylon fiber.
Described fine aggregate is by used in combination to grouan matter quartz sand 80 % by weight, furnace bottom ash 10 % by weight and dolomite 10 % by weight.
Described polymer system mixture is that styrene butadiene 95 % by weight, polymethylmethacrylate 2 % by weight, silicone resin 1 % by weight, silane resin 1 % by weight, defoamer 0.5 % by weight, water reducer 0.5 % by weight is used in combination.Described defoamer uses silicon system defoamer.Described water reducer uses poly carboxylic acid series water reducer.
1-2. concrete structure is repaired with colored cement mortar mixture
Inorganic binder 45 % by weight and fine aggregate 45 % by weight are added polymer system mixture 6 % by weight and water 4 % by weight after pre-stirring in forced action mixer, then stirs at forced action mixer and within two minutes, make cross section repairing sand-cement slurry mixture.
Described inorganic binder is by used in combination to white cement 50 % by weight, furnace slag powder 10 % by weight, silica gel powder 5 % by weight, dehydrated gyp-5 % by weight, calcium sulphoaluminate 15 % by weight, aluminium cement 5 % by weight, zinc oxide 2 % by weight, wilkinite 2 % by weight, aluminosilicate rice husk ash 3 % by weight, retardant 0.3 % by weight, water reducer 0.2 % by weight and mineral dye 2.5 % by weight.Described retardant uses citric acid.Described water reducer uses poly carboxylic acid series water reducer.Described mineral dye uses red iron oxide.
Described fine aggregate is by used in combination to quartzite matter white quartz sand 80 % by weight, grouan matter quartz sand 10 % by weight and dolomite 10 % by weight.
Described polymer system mixture is by used in combination to styrene butadiene 95 % by weight, polymethylmethacrylate 1 % by weight, silicone resin 1 % by weight, silane resin 1 % by weight, polyacrylonitrile and methylcellulose gum mixture 0.5 % by weight, ethylene-vinyl acetate copolymer 0.5 % by weight, cinnamic acrylic ester 0.5 % by weight, defoamer 0.2 % by weight, water reducer 0.3 % by weight.Described defoamer uses silicon system defoamer.Described water reducer uses poly carboxylic acid series water reducer.Described polyacrylonitrile and methylcellulose gum mixture use the mixture that the weight ratio of polyacrylonitrile and methylcellulose gum is 0.2:0.8.
< embodiment 2>
2-1. cross section is repaired and is used sand-cement slurry mixture
Inorganic binder 45 % by weight and fine aggregate 45 % by weight are added polymer system mixture 6 % by weight and water 4 % by weight after pre-stirring in forced action mixer, then stirs in forced action mixer and within 2 minutes, make cross section repairing sand-cement slurry mixture.
Described inorganic binder is by used in combination to ordinary Portland cement 35 % by weight, furnace slag powder 15 % by weight, silica gel powder 6 % by weight, dehydrated gyp-6 % by weight, calcium sulphoaluminate 20 % by weight, aluminium cement 10 % by weight, zinc oxide 2 % by weight, wilkinite 2 % by weight, aluminosilicate rice husk ash 3 % by weight, retardant 0.3 % by weight, water reducer 0.2 % by weight and fiber enhancer 0.5 % by weight.Described retardant uses Acidum Citricum.Described water reducer uses poly carboxylic acid series water reducer.Described fiber enhancer uses nylon fiber.
Described fine aggregate is by used in combination to grouan matter quartz sand 80 % by weight, furnace bottom ash 10 % by weight and dolomite 10 % by weight.
Described polymer system mixture is by used in combination to styrene butadiene 90 % by weight, polymethylmethacrylate 4 % by weight, silicone resin 2.5 % by weight, silane resin 2.5 % by weight, defoamer 0.5 % by weight, water reducer 0.5 % by weight.Described defoamer uses silicon system defoamer.Described water reducer uses poly carboxylic acid series water reducer.
2-2. concrete structure is repaired with colored cement mortar mixture
Inorganic binder 45 % by weight and fine aggregate 45 % by weight are added polymer system mixture 6 % by weight and water 4 % by weight after pre-stirring in forced action mixer, and stirs 2 minutes in forced action mixer and make cross section repairing sand-cement slurry mixture.
Described inorganic binder is by used in combination to white cement 50 % by weight, furnace slag powder 10 % by weight, silica gel powder 5 % by weight, dehydrated gyp-5 % by weight, calcium sulphoaluminate 15 % by weight, aluminium cement 5 % by weight, zinc oxide 2 % by weight, wilkinite 2 % by weight, aluminosilicate rice husk ash 3 % by weight, retardant 0.3 % by weight, water reducer 0.2 % by weight and mineral dye 2.5 % by weight.Described retardant uses citric acid.Described water reducer uses poly carboxylic acid series water reducer.Described mineral dye uses red iron oxide.
Described fine aggregate is by used in combination to quartzite matter white quartz sand 80 % by weight, grouan matter quartz sand 10 % by weight and dolomite 10 % by weight.
Described polymer system mixture is by used in combination to styrene butadiene 90 % by weight, polymethylmethacrylate 2.5 % by weight, silicone resin 2 % by weight, silane resin 2 % by weight, polyacrylonitrile and methylcellulose gum mixture 1 % by weight, ethylene-vinyl acetate copolymer 1 % by weight, cinnamic acrylic ester 1 % by weight, defoamer 0.2 % by weight, water reducer 0.3 % by weight.Described defoamer uses silicon system defoamer.Described water reducer uses poly carboxylic acid series water reducer.Described polyacrylonitrile and methylcellulose gum mixture use the mixture that the weight ratio of polyacrylonitrile and methylcellulose gum is 0.2:0.8.
< embodiment 3>
3-1. cross section is repaired and is used sand-cement slurry mixture
Inorganic binder 45 % by weight and fine aggregate 45 % by weight are added polymer system mixture 6 % by weight and water 4 % by weight after pre-stirring in forced action mixer, then stirs 2 minutes in forced action mixer and make cross section repairing sand-cement slurry mixture.
Described inorganic binder is by used in combination to ordinary Portland cement 35 % by weight, furnace slag powder 15 % by weight, silica gel powder 6 % by weight, dehydrated gyp-6 % by weight, calcium sulphoaluminate 20 % by weight, aluminium cement 10 % by weight, zinc oxide 2 % by weight, wilkinite 2 % by weight, aluminosilicate rice husk ash 3 % by weight, retardant 0.3 % by weight, water reducer 0.2 % by weight and fiber enhancer 0.5 % by weight.Described retardant uses Acidum Citricum.Described water reducer uses poly carboxylic acid series water reducer.Described fiber enhancer uses nylon fiber.
Described fine aggregate is by used in combination to grouan matter quartz sand 80 % by weight, furnace bottom ash 10 % by weight and dolomite 10 % by weight.
Described polymer system mixture is by used in combination to styrene butadiene 85 % by weight, polymethylmethacrylate 6 % by weight, silicone resin 4 % by weight, silane resin 4 % by weight, defoamer 0.5 % by weight, water reducer 0.5 % by weight.Described defoamer uses silicon system defoamer.Described water reducer uses poly carboxylic acid series water reducer.
3-2. concrete structure is repaired with colored cement mortar mixture
Inorganic binder 45 % by weight and fine aggregate 45 % by weight are added polymer system mixture 6 % by weight and water 4 % by weight after pre-stirring in forced action mixer, then stirs 2 minutes in forced action mixer and make cross section repairing sand-cement slurry mixture.
Described inorganic binder is by used in combination to white cement 50 % by weight, blast furnace slag powder 10 % by weight, silica gel powder 5 % by weight, dehydrated gyp-5 % by weight, calcium sulphoaluminate 15 % by weight, aluminium cement 5 % by weight, zinc oxide 2 % by weight, wilkinite 2 % by weight, aluminosilicate rice husk ash 3 % by weight, retardant 0.3 % by weight, water reducer 0.2 % by weight and mineral dye 2.5 % by weight.Described retardant uses citric acid.Described water reducer uses poly carboxylic acid series water reducer.Described mineral dye uses red iron oxide.
Described fine aggregate is by used in combination to quartzite matter white quartz sand 80 % by weight, grouan matter quartz sand 10 % by weight and dolomite 10 % by weight.
Described polymer system mixture is by used in combination to styrene butadiene 85 % by weight, polymethylmethacrylate 4.0 % by weight, silicone resin 3 % by weight, silane resin 3 % by weight, polyacrylonitrile and methylcellulose gum mixture 1.5 % by weight, ethylene-vinyl acetate copolymer 1.5 % by weight, cinnamic acrylic ester 1.5 % by weight, defoamer 0.2 % by weight, water reducer 0.3 % by weight.Described defoamer uses silicon system defoamer.Described water reducer uses poly carboxylic acid series water reducer.Described polyacrylonitrile and methylcellulose gum mixture use the mixture that the weight ratio of polyacrylonitrile and methylcellulose gum is 0.2:0.8.
Below for the characteristic of embodiment 1 to embodiment 3 described in easy to understand more enumerates each comparative example that can compare with embodiments of the invention.Comparative example 1 and 2 described later relates to conventional cement mortar mixture and polymer cement mortar mixture.
< comparative example 1>
Silicate cement 45 % by weight, fine aggregate 45 % by weight and water 10 % by weight are stirred with forced action mixer and makes conventional cement mortar mixture.
< comparative example 2>
White cement 45 % by weight and fine aggregate 45 % by weight forced action mixer are stirred rear interpolation styrene butadiene 6 % by weight and water 4 % by weight in advance, then stirs 2 minutes with forced action mixer and make polymer cement mortar mixture.
Each test example is below the characteristic for the easy to understand embodiment of the present invention 1 to embodiment 3, by the experimental result that the characteristic of various embodiments of the present invention and comparative example 1 and comparative example 2 compares.
< experimental example 1>
Compressive strength test method according to KSF2405(mortar) carry out compressive strength test to the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and concrete structure repairing colored cement mortar mixture and according to the sand-cement slurry mixture that comparative example 1 and comparative example 2 manufacture, it the results are shown in following table 1.And according to the bending strength test method of KSF2408(mortar) carry out bending strength test, tensile strength test method according to KSF2423(mortar) carry out test for tensile strength, material is adjusted according to JISA6916(coating material bottom surface of finishing up) determine the bond strength of test specimen, its Different Results sees the following form 1.In following table, ' 1-1 ' is the cross section repairing sand-cement slurry mixture representing embodiment 1, ' 1-2 ' is the concrete structure repairing colored cement mortar mixture representing embodiment 1, ' 2-1 ' is the cross section repairing sand-cement slurry mixture representing embodiment 2, ' 2-2 ' is the concrete structure repairing colored cement mortar mixture representing embodiment 2, ' 3-1 ' is the cross section repairing sand-cement slurry mixture representing embodiment 3, and ' 3-2 ' is the concrete structure repairing colored cement mortar mixture representing embodiment 3.
Table 1
As shown in Table 1, bending, compression, the tension of the cross section repairing sand-cement slurry mixture and the concrete structure repairing colored cement mortar mixture that manufacture according to embodiment 1 to embodiment 3 compare obvious enhancing with bond strength with the sand-cement slurry mixture manufactured according to comparative example 1 and comparative example 2.
< test example 2>
According to the concrete length variations of KSF2424(and test method) determine the cross section repairing sand-cement slurry mixture and concrete structure repairing colored cement mortar compound that manufacture according to embodiment 1 to embodiment 3 and the sand-cement slurry mixture drying shrinkage manufactured according to comparative example 1 and comparative example 2, it the results are shown in following table 2.
Table 2
As above shown in table 2, the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and the dry shrinkage amount of concrete structure repairing colored cement mortar mixture compare minimizing with the sand-cement slurry mixture manufactured according to comparative example 1 and comparative example 2, thus confirm to have Reduce shrinkage effect.
< test example 3>
Following table 3 is the test methods according to JISA1171(polymer cement mortar) prescriptive procedure result that the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and concrete structure repairing colored cement mortar mixture and the specific absorption of sand-cement slurry mixture that manufactures according to comparative example 1 and comparative example 2 are measured.Specific absorption height then impurity or water infiltrates inside concrete inside concrete porosity increase later, and then causes the problem of works breakage.
Table 3
As above shown in table 3, the cross section repairing manufactured according to embodiment 1 to embodiment 3 by the specific absorption of sand-cement slurry mixture and concrete structure repairing colored cement mortar mixture lower than the water Buddhist nun mortar mixture manufactured according to comparative example 1 and comparative example 2.
< test example 4>
Test method according to JISA1171(polymer cement mortar) to test to the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and concrete structure repairing colored cement mortar mixture and according to the sand-cement slurry mixture that comparative example 1 and comparative example 2 manufacture, it the results are shown in following table 4.
Table 4
As above shown in table 4, the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 is compared little with the chloride permeability degree of depth of concrete structure repairing colored cement mortar mixture with the sand-cement slurry mixture manufactured according to comparative example 1 and comparative example 2, thus confirms to have excellent anti-salt damage.
< test example 5>
Resistance of chloride ion penetration test has been carried out to the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and concrete structure repairing colored cement mortar mixture and according to the sand-cement slurry mixture that comparative example 1 and comparative example 2 manufacture according to KSF4042.Its structure sees the following form 5.
Table 5
As above shown in table 5, the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 is compared little with the resistance of chloride ion penetration of concrete structure repairing colored cement mortar mixture with the sand-cement slurry mixture manufactured according to comparative example 1 and comparative example 2, thus confirms to have excellent anti-salt damage.
< test example 6>
Test method according to JISA1171(polymer cement mortar) carry out neutralization depth test to the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and concrete structure repairing colored cement mortar mixture and according to the sand-cement slurry mixture that comparative example 1 and comparative example 2 manufacture.It the results are shown in following table 6.
Table 6
As above shown in table 6, the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 is compared little with the neutralisation depth of penetration of concrete structure repairing colored cement mortar mixture with the sand-cement slurry mixture manufactured according to comparative example 1 and comparative example 2, thus confirms to have excellent anti-neutral voltinism.
< test example 7>
By the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and concrete structure repairing colored cement mortar mixture and the sand-cement slurry mixture that manufactures according to comparative example 1 and comparative example 2 according to Japanese Industrial Standards' draft [utilizing the Test for anti-chemical performance of concrete dipping method in the solution], with the aqueous solution of 2% hydrochloric acid, 5% sulfuric acid and 45% sodium hydroxide for testing liquid, determine its resistance to chemical reagents after test specimen is flooded 28 days in the solution, the results are shown in following table 7.
Table 7
As above shown in table 7, the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 is compared little with the weight rate of the resistance to chemical reagents of concrete structure repairing colored cement mortar mixture with the sand-cement slurry mixture manufactured according to comparative example 1 and comparative example 2, thus confirms to have excellent overriding resistance moral character.
< test example 8>
According to KSF2456 prescriptive procedure, the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 and concrete structure repairing colored cement mortar mixture and the freeze-thaw resistance of sand-cement slurry mixture that manufactures according to comparative example 1 and comparative example 2 are measured, the results are shown in following table 8.Freeze thawing refers to that the moisture entered in concrete kapillary melts after freezing, and freeze thawing occurs repeatedly, then concrete tissue fine cracks can occur, and then reduces weather resistance.What table 8 showed is the durability factor that each embodiment and comparative example show after freeze-thaw resistance test.
Table 8
As above shown in table 8, the cross section repairing sand-cement slurry mixture manufactured according to embodiment 1 to embodiment 3 compares obvious height with the durability factor of concrete structure repairing colored cement mortar mixture with the sand-cement slurry mixture manufactured according to comparative example 1 and comparative example 2, thus confirms that weather resistance is promoted.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, and these amendments do not make the essence of appropriate technical solution depart from the scope of technical scheme described in various embodiments of the present invention.

Claims (6)

1. concrete structure is repaired with a colored cement mortar mixture, it is characterized in that,
Comprise: weight part is 5 ~ 70% inorganic binders, weight part is 25 ~ 85% fine aggregates, weight part is 0.01 ~ 20% polymer system mixture and weight part is 0.1 ~ 20% water;
Described polymer system mixture comprises that weight part is 50 ~ 99% styrene butadienes, weight part is 0.1 ~ 20% polymethylmethacrylate, weight part is 0.1 ~ 20% silicone resin and weight part is 0.1 ~ 20% silane resin;
Described inorganic structure material comprises: weight part is 20 ~ 90% white cements, weight part is 5 ~ 60% blast furnace slag powder, weight part is 1 ~ 20% silica gel powder, weight part is 1 ~ 20% dehydrated gyp-, weight part is 1 ~ 30% calcium or magnesium system sulplo-aluminate, weight part are 0.1 ~ 20% aluminium cement, weight part is 0.01 ~ 10% zinc oxide, weight part is 0.01 ~ 10% wilkinite, weight part be 0.01 ~ 10% aluminosilicate rice husk ash and weight part is 0.01 ~ 10% mineral dye;
Described fine aggregate comprises: weight part is 45 ~ 98% quartzite matter white quartz sand, weight part be 1 ~ 30% grouan matter quartz sand and weight part is 1 ~ 54% dolomite.
2. concrete structure repairing colored cement mortar mixture according to claim 1, it is characterized in that, described polymer system mixture also comprises: mixture weight part polyacrylonitrile and methylcellulose gum mixed with the weight ratio of 0.1 ~ 0.8:0.2 ~ 0.9 is for 0.01 ~ 10%; Weight part is ethylene-vinyl acetate copolymer 0.01 ~ 20% and weight part is cinnamic acrylic ester 0.01 ~ 20%.
3. concrete structure repairing colored cement mortar mixture according to claim 1, it is characterized in that, described inorganic binder also comprises: weight part is 0.01 ~ 10% titanium oxide and weight part is 0.01 ~ 10% fiber enhancer;
Described fiber enhancer uses and is selected from nylon, polyethylene and polyacrylic more than a kind fiber.
4. concrete structure carries out a method of repairing, and it is characterized in that,
Comprise: cut the impurity of concrete structure and laitance with hand-held roughening device and form the stage of micropore;
The stage of primer process is implemented at the position forming micropore;
Apply concrete structure repairing colored cement mortar mixture as claimed in claim 1 on the described top through primer process and repair stage in cross section; And
Cross section repair surface is implemented the surface-treated stage;
Described primer process is the material using more than at least one being selected from styrene-butadiene latexes, polyacrylic ester, ethylene-vinyl acetate copolymer, methyl methacrylate, silane based compound and polymer system mixture as claimed in claim 1.
5. concrete structure carries out a method of repairing, and it is characterized in that, comprising:
The stage at the impurity of concrete structure, laitance or deteriorated position is removed with hand-held Water Cutting device or high-pressure cleaner;
Removing the stage of position being implemented primer process;
In the described stage of repairing cross section through primer treated side upper pouring cross section repairing polymer cement mortar mixture;
Apply concrete structure repairing colored cement mortar mixture according to claim 1 on the top of the described cross section repairing polymer water Buddhist nun mortar mixture of cast and repair the stage in cross section;
The result thing that pair cross-section is repaired implements the surface-treated stage;
Described primer process uses the material of more than at least a kind being selected from polymer system mixture described in styrene-butadiene latexes, polyacrylic ester, ethylene-vinyl acetate copolymer, methyl methacrylate, silane based compound and claim 1;
Described cross section repairing sand-cement slurry mixture comprises: weight part is 5 ~ 70% inorganic binders, weight part is 25 ~ 85% fine aggregates, weight part is 0.01 ~ 20% polymer system mixture and weight part is 0.1 ~ 20% water;
The described inorganic binder of described cross section repairing sand-cement slurry mixture comprises: weight part is 20 ~ 86% ordinary Portland cements, weight part is 10 ~ 60% blast furnace slag powder, weight part is 1 ~ 20 % by weight silica gel powder, weight part is 1 ~ 20% dehydrated gyp-, weight part is 1 ~ 15% calcium or magnesium system sulplo-aluminate, weight part is 0.1 ~ 10% aluminium cement, weight part is 0.01 ~ 10% zinc oxide, weight part is 0.01 ~ 10% wilkinite, weight part is 0.01 ~ 10% aluminosilicate rice husk ash (ricehuskash),
The described fine aggregate of described cross section repairing sand-cement slurry mixture comprises: weight part is 45 ~ 98% grouan matter quartz sands, weight part be 1 ~ 30% furnace bottom ash and weight part is 1 ~ 54% dolomite;
The described polymer system mixture of described cross section repairing sand-cement slurry mixture comprises: weight part is 50 ~ 99% styrene butadienes, weight part is 0.1 ~ 20% polymethylmethacrylate, weight part is 0.1 ~ 20% silicone resin and weight part is 0.1 ~ 20% silane resin.
6. concrete structure according to claim 4 carries out the method for repairing, and it is characterized in that, described surface treatment stage also comprises later: for improving the stage of identity, didirtresistance and weather resistance and coated surface process material;
Described finish materials uses the material of more than at least a kind being selected from styrene-butadiene latexes, polyacrylic ester, ethylene-vinyl acetate copolymer, methyl methacrylate, silane based compound and silicon system mineral compound, as claimed in claim 1 polymer system mixture.
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