CN106542785A - Repairing concrete crack material and preparation method thereof and using method - Google Patents
Repairing concrete crack material and preparation method thereof and using method Download PDFInfo
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- CN106542785A CN106542785A CN201610872027.9A CN201610872027A CN106542785A CN 106542785 A CN106542785 A CN 106542785A CN 201610872027 A CN201610872027 A CN 201610872027A CN 106542785 A CN106542785 A CN 106542785A
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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
- 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
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of repairing concrete crack material and preparation method thereof and using method, solve the problems, such as the performance that existing concrete crack repairing material is present have much room for improvement, accommodation it is limited.By cullet, by being placed in wet milk after the mixing of above-mentioned part by weight, the part that adds water grinding is obtained slurry to the present invention for breeze, portland cement, water reducer, molasses;Add triethanolamine, welan gum, azodicarbonamide, defoamer, poly- propionate emulsion, polymer dispersion powder and fine sand in the slurry to mix in proportion and obtain final product.Present invention process is simple, control simplicity, low production cost, environmentally friendly, obtained repairing concrete crack material have high intensity, large fluidity, low bleeding rate, high cohesion and certain swelling behavior.
Description
Technical field
The present invention relates to building material field, specifically a kind of repairing concrete crack material and preparation method thereof and
Using method.
Background technology
Concrete factor by inside and out is acted on, and inevitably generates crack.And crack is xoncrete structure
The main cause that bearing capacity, durability and anti-permeability performance decline.Once building structure generates crack, the later stage will cause coagulation
A series of endurance issues such as the carbonization of soil material, steel bar corrosion, sulfate attack, while also having a strong impact on the outer of building
See.
The repairing of distress in concrete is mainly processed using patching material, and patching material requires to grasp with higher
The property made, and require with concrete substrate adhesive property preferably, while must have higher intensity to exist to ensure xoncrete structure
Destruction caused by environment and concrete material change institute is born during permanent military service.
With the development and the raising of living standards of the people of science and technology, glass is used as construction material and decoration and the container etc. of living
It is widely used.Substantial amounts of glass discarded object is inevitably produced simultaneously, forms substantial amounts of cullet.And the degraded of glass
4000 or so are needed, therefore, these cullet are recycled and can mitigate environmental pressure, while producing certain economic effect
Benefit.So far, cullet is generally levigate to 10 microns of average grain diameter, and the raw material for being used for concrete as inserts makes
With what is utilized is the characteristic of the levigate rear physics filling of glass, and having no precedent is used for repairing concrete crack material by glass
Report, use range are limited.
And it is current, the research of repairing concrete crack material has been reported for work both at home and abroad.Such as patent《A kind of distress in concrete is repaiied
Supplementary irrigation slurry and preparation method thereof》(should be 201510290303.6) discloses the preparation side of repairing concrete crack grouting material
Method:Cement 550-950 parts, glass microballoon 5-30 parts, calcite 20-50 parts, expansion component 50-200 parts, water reducer 1-20 parts,
Defoamer 0.5-2 parts, stabilizer 0.5-2 parts, slow setting component 0.5-10 part, the solidifying component 0.1-2 part of rush;Patent《It is a kind of energy-saving
Repairing concrete crack agent》(CN201410633648.2) disclose the preparation method of repairing concrete crack agent:Sand 12-18
Part, silica flour 5-10 parts, Portland cement 20-35 parts, sulphate aluminium cement 10-18 parts, waterglass 6-12 parts, poly-vinegar acid
Vinyl acetate latex powder 5-9 part, silica flour 3-7 parts, slag powders 7-10 part, flyash 6-9 parts, swelling agent 8-10 parts, polycarboxylic-acid are high
Effect water reducer 0.4-0.6 parts, polypropylene fibre 0.2-0.4 parts.Above-mentioned crack patching material with base material bonds well, and can have
There is higher-strength, but the former is only applicable to microcrack repairing, for large fracture, it is most likely that because patching material and coagulation soil temperature
Degree deforms inconsistent and comes off.The latter is only applicable to crack of the width more than 5mm, and the repairing of fine cracks is not simultaneously applied to, yet
It is to say, so far, there is no the crack repairing material of widely applicable and excellent performance.
The content of the invention
The invention aims to solve above-mentioned technical problem, there is provided a kind of process is simple, control simplicity, production cost
The preparation method of low repairing concrete crack material.
It is a further object of the present invention to provide a kind of low cost of employing said method preparation, good fluidity, properties
The repairing concrete crack material of excellent, applied range.
The further object also invented is to provide a kind of using method of above-mentioned repairing concrete crack material.
Preparation method of the present invention is:The composition by weight of raw material be cullet 20-30 parts, breeze 20-30 parts, portland cement
35-50 parts, water reducer 0.2-0.3 parts, molasses 0.1-0.3 parts, triethanolamine 0.05-0.1 parts, welan gum 0.02-0.2 parts are even
Nitrogen diformamide 0.1-0.4 parts, defoamer 0.01-0.05 parts, polyacrylate emulsion 5-10 part, polymer dispersion powder 1-5 parts,
Fine sand 0-40 parts;
Its preparation method is:By cullet, after breeze, portland cement, water reducer, molasses are by the mixing of above-mentioned part by weight
It is placed in wet milk, the 25-35 parts that add water grinding is obtained slurry;Add triethanolamine, welan gum, azo diformazan in the slurry
Acid amides, defoamer, poly- propionate emulsion, polymer dispersion powder and fine sand are mixed in proportion and are obtained final product.
Add water in the wet milk average grain diameter is ground to less than 1 μm.
The fine sand granularity<One or more in the river sand of 4.75cm, quartz sand or Machine-made Sand.
The polymer dispersion powder is SB, vinylacetate-ethylene-tertiary ethylene carbonate is common
In polymers, vinyl acetate-acrylate-vinyl versatate copolymer or vinylacetate-ethylene-acrylate copolymer
One or two.
The welan gum is architectural grade welan gum.
The polyacrylate emulsion is the non-swelling emulsion of polyacrylate alkali.
Repairing concrete crack material of the present invention, is prepared from using above-mentioned preparation method.
The using method of repairing concrete crack material of the present invention, according to the granularity weight fraction that fracture width adjusts fine sand be
0-40 parts:
When fracture width is less than 0.15cm, without using fine sand;
When fracture width is more than 0.15mm but is less than 0.3, granularity is selected to be less than 0.15mm fine sands, addition is 0-10 parts;
During fracture width 0.3-0.6mm, below 0.3mm continuous grading fine sands are selected, addition is 10-15 parts;
During fracture width 0.6-1.18, below 0.6mm continuous grading fine sands are selected, addition is 15-20 parts;
Below 1.18mm continuous grading fine sands are selected during fracture width 1.18-2.36mm, addition is 20-25 parts;
Less than 2.36 continuous grading fine sands are selected during fracture width 2.36-4.75, addition is 25-30 parts;
Fracture width>Below 4.74mm continuous grading fine sands are selected during 5mm, addition is 30-40 parts.
For having problems in background technology, inventor makes following improvement:
(1) in raw material, creativeness adds cullet, is formed with portland cement, breeze and cullet as material bodies owner
Want intensity source, raw material is processed using wet-grinding technology and relative device, on the one hand water can be brought into wet process make portland cement,
There is hydration reaction with water and generate hydrated product in breeze, another aspect wet-grinding technology and relative device can also be by portland cement, breeze and useless glass
Glass carries out ultra fine, so as to the contact area for greatly increasing raw material and water is easy to calcium hydroxide to discharge, and ultra fine
Breeze and cullet and calcium hydroxide secondary reaction of hydration can occur and generate hydrated product, it is higher so as to give patching material
Intensity, greatly improves the performance of patching material;And it is levigate after waste glass powder can also make material that there is excellent mobile performance,
Give the excellent flowing of patching material and service behaviour.Cullet effect raw material is introduced well by material for repairing using wet-grinding technology and relative device
In, improving the performance of material for repairing simultaneously, the addition of cullet is up to 20-30 parts, improves salvage value, is conducive to environment
Protection.The cullet can be<The industrial glass waste products such as the cullet bottle of 5mm, windowpane;It is described that to be ground to average grain diameter excellent
Less than 1 μm, particle size range is crossed conference and there is a problem of active relatively low causing low strength for choosing.
(2) during the present invention adds water reducer on the one hand to prevent wet-milling with molasses during wet-milling, grain fineness increases
And the sticky phenomenon for producing, the ratio of mud is on the other hand reduced, material later strength is improved.The retarding effect controllable of molasses is whole
Service behaviour and workability of system etc., the preferred water reducer of the water reducer is polycarboxylate superplasticizer mother liquor, and solid content is
40%, addition is 0.2-0.3 parts, can excessively cause patching material bleeding, reduces the performances such as intensity, too low to cause to repair material
Material mobility is poor, it is impossible to be sufficient filling with crack, the sugar is close can be using industry sugaring waste material, solid content>30%, addition
For 0.1-0.3 parts, can excessively cause condensation of materials overlong time and affect the strength of materials, it is too low to cause construction operation time mistake
It is short and cannot construct;
(3) present invention makes patching material using welan gum (i.e. cellulose is rotten) and polymer dispersion powder as component is adjusted
Adhesive property with patching material and base material after excellent water retention property, slurry viscosity and hardening, the welan gum are preferred
Using architectural grade welan gum, addition is 0.02-0.2 parts, can excessively cause grouting material viscosity too high and reduce mobility,
Cross that I haven't seen you for ages is susceptible to bleeding segregation phenomenon.
(4) after the present invention improves material initial set and final set using azodicarbonamide and poly- propionate alkali swellable emulsions
Volume Changes, certain bleed performance that azodicarbonamide has can reduce the volume contraction before patching material initial set, and
Poly- propionate alkali swelling type emulsion can keep and the volume contraction change after compensation patching material final set, the azo diformazan
Addition 0.1-0.4 parts of acid amides, excessively can cause volume excessively to expand and reduce the strength of materials, and I haven't seen you for ages excessively causes material early stage
Underexpansion and reduce the adhesion strength of grouting material and distress in concrete;The poly- propionate alkali swelling type emulsion addition is
5-10 parts, can excessively cause grouting material late expansion excessive and cause concrete crack expansion, and I haven't seen you for ages excessively causes grouting material
Late expansion is not enough and reduce its adhesion strength with distress in concrete.
(5) triethanolamine is mixed in raw material of the present invention as exciting agent, can gives material for repairing higher early strength, institute
The addition for stating triethanolamine is 0.05-0.1 parts, can excessively cause grouting material early strength too high, and later stage strength retraction,
Crossing that I haven't seen you for ages causes grouting material early strength not enough.
In other material components of the invention, the preferred S95 levels breeze of breeze;The preferred PI silicate cements of the portland cement
Mud;The molasses are preferably industry sugaring waste material, wherein solid content>30%;Three second of triethanolamine preferred liquid high-purity
Hydramine, its moderate purity>99%;The welan gum is architectural grade welan gum;The azodicarbonamide be powdery, effective content>
99%;At least one or two in the defoamer preferably silicone or polyethers;The polymer dispersion powder is benzene
Ethylene-butadiene copolymer, vinylacetate-ethylene-vinyl versatate copolymer, vinyl acetate-acrylate-tertiary carbon
One or two in vinyl acetate copolymer or vinylacetate-ethylene-acrylate copolymer, wherein effectively containing admittedly>
99%;The triethanolamine is preferably liquid high-purity triethanolamine, its moderate purity>99%.
Further, inventor's discovery, can improve the properties of raw material by the selection to raw material and proportioning, pass through
The method of wet-milling improves the mobility of material for repairing, on the premise of superior fluidity, by the particle diameter and volume that adjust fine sand, can
To meet the demand in different in width crack well, so as to considerably increase the use range of material for repairing of the present invention.
Present invention process is simple, control is simple, adds cullet as one of main base, be conducive to environment in raw material
Protection, obtained repairing concrete crack material have high intensity, large fluidity, low bleeding rate, high cohesion and certain swelling
Performance, can be very good to meet the demand in different in width crack, with wide market application foreground.
Specific embodiment
Embodiment 1:
Adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device is prepared for according to technical scheme, is pressed
Parts by weight meter, its component be 20 parts of cullet, 30 parts of breeze, 40 parts of portland cement, 0.2 part of water reducer, molasses 0.1
Part, 0.05 part of triethanolamine, 0.02 part of welan gum, 0.1 part of azodicarbonamide, 0.03 part of defoamer, polyacrylate emulsion
8.5 parts, 1 part of polymer dispersion powder, 0 part of fine sand.
Present invention also offers a kind of preparation method of the adjustable concrete crack repairing material of wet-grinding technology and relative device preparation, including
Following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 25
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
The related performance indicators such as table 1 of adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device of the present invention:
1 related performance indicators of table
Embodiment 2:
Adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device is prepared for according to technical scheme, is pressed
Parts by weight meter, its component be 20 parts of cullet, 30 parts of breeze, 40 parts of portland cement, 0.25 part of water reducer, molasses 0.2
Part, 0.05 part of triethanolamine, 0.02 part of welan gum, 0.1 part of azodicarbonamide, 0.25 part of defoamer, polyacrylate emulsion
8.4 parts, 1 part of polymer dispersion powder, 22 parts of fine sand.
Present invention also offers a kind of preparation method of the adjustable concrete crack repairing material of wet-grinding technology and relative device preparation, including
Following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 32
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
The related performance indicators such as table 2 of adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device of the present invention:
2 related performance indicators of table
Embodiment 3:
Adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device is prepared for according to technical scheme, is pressed
Parts by weight meter, its component be 30 parts of cullet, 20 parts of breeze, 35 parts of portland cement, 0.2 part of water reducer, molasses 0.3
Part, 0.1 part of triethanolamine, 0.2 part of welan gum, 0.4 part of azodicarbonamide, 0.05 part of defoamer, polyacrylate emulsion 10
Part, 5 parts of polymer dispersion powder, 40 parts of fine sand.
Present invention also offers a kind of preparation method of the adjustable concrete crack repairing material of wet-grinding technology and relative device preparation, including
Following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 30
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
The related performance indicators such as table 3 of adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device of the present invention:
3 related performance indicators of table
Embodiment 4:
Adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device is prepared for according to technical scheme, is pressed
Parts by weight meter, its component be 25 parts of cullet, 25 parts of breeze, 40 parts of portland cement, 0.2 part of water reducer, molasses 0.1
Part, 0.07 part of triethanolamine, 0.02 part of welan gum, 0.1 part of azodicarbonamide, 0.01 part of defoamer, polyacrylate emulsion
8.5 parts, 1 part of polymer dispersion powder, 18 parts of fine sand.
Present invention also offers a kind of preparation method of the adjustable concrete crack repairing material of wet-grinding technology and relative device preparation, including
Following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 32
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
The related performance indicators such as table 4 of adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device of the present invention:
4 related performance indicators of table
Embodiment 5:
Adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device is prepared for according to technical scheme, is pressed
Parts by weight meter, its component be 20 parts of cullet, 20 parts of breeze, 50 parts of portland cement, 0.2 part of water reducer, molasses 0.1
Part, 0.05 part of triethanolamine, 0.02 part of welan gum, 0.1 part of azodicarbonamide, 0.03 part of defoamer, polyacrylate emulsion
6.5 parts, 3 parts of polymer dispersion powder, 28 parts of fine sand.
Present invention also offers a kind of preparation method of the adjustable concrete crack repairing material of wet-grinding technology and relative device preparation, including
Following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 32
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
The related performance indicators such as table 5 of adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device of the present invention:
5 related performance indicators of table
Embodiment 6:
Adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device is prepared for according to technical scheme, is pressed
Parts by weight meter, its component be 30 parts of cullet, 24 parts of breeze, 35 parts of portland cement, 0.3 part of water reducer, molasses 0.3
Part, 0.1 part of triethanolamine, 0.05 part of welan gum, 0.2 part of azodicarbonamide, 0.05 part of defoamer, polyacrylate emulsion 5
Part, 5 parts of polymer dispersion powder, 8 parts of fine sand.
Present invention also offers a kind of preparation method of the adjustable concrete crack repairing material of wet-grinding technology and relative device preparation, including
Following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 32
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
The related performance indicators such as table 6 of adjustable concrete crack repairing material prepared by a kind of wet-grinding technology and relative device of the present invention:
6 related performance indicators of table
Comparative example 1:
Count by weight, its component be 0 part of cullet, 30 parts of breeze, 50 parts of portland cement, 0.3 part of water reducer,
0.3 part of molasses, 0.1 part of triethanolamine, 0.2 part of welan gum, 0.4 part of azodicarbonamide, 0.05 part of defoamer, polyacrylate
10 parts of emulsion, 5 parts of polymer dispersion powder, 0 part of fine sand.
Comprise the following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 35
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
Related performance indicators such as table 7:
7 related performance indicators of table
Comparative example 2:
Count by weight, its component be 20 parts of cullet, 20 parts of breeze, 50 parts of portland cement, water reducer 0.25
Part, 0.2 part of molasses, 0.1 part of triethanolamine, 0 part of welan gum, 0.4 part of azodicarbonamide, 0.01 part of defoamer, polyacrylic acid
5 parts of salt emulsion, 4 parts of polymer dispersion powder, 0 part of fine sand.
Comprise the following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 30
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
Related performance indicators such as table 8:
8 related performance indicators of table
Comparative example 3:
Count by weight, its component be 25 parts of cullet, 25 parts of breeze, 46.3 parts of portland cement, water reducer 0.2
Part, 0.1 part of molasses, 0.07 part of triethanolamine, 0.02 part of welan gum, 0.3 part of azodicarbonamide, 0.01 part of defoamer, poly- third
0 part of olefin(e) acid salt emulsion, 3 parts of polymer dispersion powder, 0 part of fine sand.
Comprise the following steps:
(1), by cullet, breeze, portland cement, water reducer, molasses are placed in wet milk after mixing in proportion Jia 28
The water of part is ground 15 minutes.
(2), by the slurry and azodicarbonamide in step 1, welan gum, defoamer, poly- propionate emulsion, dispersible breast
Rubber powder, fine sand, triethanolamine are proportionally well mixed.
Related performance indicators such as table 9:
9 related performance indicators of table
Claims (8)
1. a kind of preparation method of repairing concrete crack material, it is characterised in that the composition by weight of raw material is cullet 20-30
Part, breeze 20-30 parts, portland cement 35-50 parts, water reducer 0.2-0.3 parts, molasses 0.1-0.3 parts, triethanolamine 0.05-
0.1 part, welan gum 0.02-0.2 parts, azodicarbonamide 0.1-0.4 parts, defoamer 0.01-0.05 parts, polyacrylate emulsion
5-10 parts, polymer dispersion powder 1-5 parts, fine sand 0-40 parts;
Its preparation method is:Cullet, breeze, portland cement, water reducer, molasses are placed in after mixing by above-mentioned part by weight
In wet milk, the 25-35 parts that add water grinding is obtained slurry;Add triethanolamine, welan gum, two formyl of azo in the slurry
Amine, defoamer, poly- propionate emulsion, polymer dispersion powder and fine sand are mixed in proportion and are obtained final product.
2. the preparation method of repairing concrete crack material as claimed in claim 1, it is characterised in that in the wet milk plus
Water is ground to average grain diameter less than 1 μm.
3. the preparation method of repairing concrete crack material as claimed in claim 1 or 2, it is characterised in that the fine sand granularity
For<One or more in the river sand of 4.75cm, quartz sand or Machine-made Sand.
4. the preparation method of repairing concrete crack material as claimed in claim 1, it is characterised in that the polymer dispersion powder
For SB, vinylacetate-ethylene-vinyl versatate copolymer, vinyl acetate-acrylate-
One or two in vinyl versatate copolymer or vinylacetate-ethylene-acrylate copolymer.
5. the preparation method of repairing concrete crack material as claimed in claim 1, it is characterised in that the welan gum is building
Level welan gum.
6. the preparation method of repairing concrete crack material as claimed in claim 1, it is characterised in that the polyacrylate breast
Liquid is the non-swelling emulsion of polyacrylate alkali.
7. a kind of repairing concrete crack material, it is characterised in that prepared using preparation method described in any one of claim 1-6 and
Into.
8. the using method of repairing concrete crack material described in a kind of claim 7, it is characterised in that adjusted according to fracture width
The granularity of fine sand, weight fraction are 0-40 parts:
When fracture width is less than 0.15cm, without using fine sand;
When fracture width is more than 0.15mm but is less than 0.3, granularity is selected to be less than 0.15mm fine sands, addition is 0-10 parts;
During fracture width 0.3-0.6mm, below 0.3mm continuous grading fine sands are selected, addition is 10-15 parts;
During fracture width 0.6-1.18, below 0.6mm continuous grading fine sands are selected, addition is 15-20 parts;
Below 1.18mm continuous grading fine sands are selected during fracture width 1.18-2.36mm, addition is 20-25 parts;
Less than 2.36 continuous grading fine sands are selected during fracture width 2.36-4.75, addition is 25-30 parts;
Fracture width>Below 4.74mm continuous grading fine sands are selected during 5mm, addition is 30-40 parts.
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CN110304847A (en) * | 2019-04-11 | 2019-10-08 | 武汉理工大学 | A kind of wet-milling carbide slag exciting agent and its preparation method and application |
CN110590291A (en) * | 2019-10-23 | 2019-12-20 | 广东穗都建筑工程有限公司 | Method for repairing cracking of house wall |
CN115304944A (en) * | 2022-07-21 | 2022-11-08 | 江苏海能电力设计咨询有限责任公司 | Steel bar coating material with anti-corrosion effect |
CN116040989A (en) * | 2022-07-15 | 2023-05-02 | 湖北工业大学 | Modified permeable concrete based on vinyl versatate copolymer |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102603256A (en) * | 2012-03-22 | 2012-07-25 | 王建雷 | Cement-based structure repair mortar and preparation method |
KR101180304B1 (en) * | 2009-04-09 | 2012-09-06 | 박용오 | Composition for structure rooting plants on their surface by having permeation and a method for manufacturing the structure using thereof |
CN103803918A (en) * | 2013-12-20 | 2014-05-21 | 同济大学 | Porcelain powder waste mixed cement-based tiny-expansion crack repairing mortar and using method thereof |
CN104478371A (en) * | 2014-11-12 | 2015-04-01 | 湖南省建筑工程集团总公司 | Energy-saving type concrete crack repairing agent |
CN104926242A (en) * | 2015-05-29 | 2015-09-23 | 湖北中桥科技有限公司 | Concrete crack repair grouting material and preparation method thereof |
-
2016
- 2016-09-30 CN CN201610872027.9A patent/CN106542785B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101180304B1 (en) * | 2009-04-09 | 2012-09-06 | 박용오 | Composition for structure rooting plants on their surface by having permeation and a method for manufacturing the structure using thereof |
CN102603256A (en) * | 2012-03-22 | 2012-07-25 | 王建雷 | Cement-based structure repair mortar and preparation method |
CN103803918A (en) * | 2013-12-20 | 2014-05-21 | 同济大学 | Porcelain powder waste mixed cement-based tiny-expansion crack repairing mortar and using method thereof |
CN104478371A (en) * | 2014-11-12 | 2015-04-01 | 湖南省建筑工程集团总公司 | Energy-saving type concrete crack repairing agent |
CN104926242A (en) * | 2015-05-29 | 2015-09-23 | 湖北中桥科技有限公司 | Concrete crack repair grouting material and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
侯云芬: "《胶凝材料》", 31 August 2012, 中国电力出版社 * |
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CN110304847B (en) * | 2019-04-11 | 2022-03-11 | 武汉理工大学 | Wet-grinding carbide slag excitant and preparation method and application thereof |
CN110590291A (en) * | 2019-10-23 | 2019-12-20 | 广东穗都建筑工程有限公司 | Method for repairing cracking of house wall |
CN116040989A (en) * | 2022-07-15 | 2023-05-02 | 湖北工业大学 | Modified permeable concrete based on vinyl versatate copolymer |
CN115304944A (en) * | 2022-07-21 | 2022-11-08 | 江苏海能电力设计咨询有限责任公司 | Steel bar coating material with anti-corrosion effect |
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