CN109534749A - A kind of high-strength concrete and preparation method thereof that water consumption is low - Google Patents
A kind of high-strength concrete and preparation method thereof that water consumption is low Download PDFInfo
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- CN109534749A CN109534749A CN201811591886.6A CN201811591886A CN109534749A CN 109534749 A CN109534749 A CN 109534749A CN 201811591886 A CN201811591886 A CN 201811591886A CN 109534749 A CN109534749 A CN 109534749A
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- parts
- slag
- strength concrete
- water consumption
- mixture
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Classifications
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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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
-
- 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
Abstract
The invention discloses a kind of high-strength concretes and preparation method thereof that water consumption is low, are related to concrete field, are to solve many problems of existing high-strength concrete water to be used.The high-strength concrete includes the raw material of following parts by weight: 45-73 parts of slag, 86-108 parts of cement, haydite 30.6-38.9 parts discarded, 8.8-11.3 parts of basalt fibre, 18-23.5 parts of ABS high glue powder, 5.9-7.7 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, 7.7-10.2 parts of citric acid, 12.4-16.8 parts of xanthan gum and 36-40.4 parts of propylene glycol.Slag is modified by the present invention, the raw materials ball millings such as Treated By Modified Slag, ABS high glue powder are obtained into the first mixture again, surplus stock is mixed with xanthan gum and modified with electric field, obtain the second mixture, first mixture and the second mixture are stirred evenly, the finished product water consumption of preparation is lower than existing high-strength concrete, and the final strength of this product is higher than the final strength of existing high-strength concrete.
Description
Technical field
The present invention relates to concrete field, the low high-strength concrete of specifically a kind of water consumption.
Background technique
With the quickening of various regions urbanization process, building trade becomes the popular industry in people's eye again.Building trade is just
Be one around building design, construction, finishing, management and the industry being unfolded, urban architecture are the important compositions of building trade
Part, urban architecture pass on culture in its unique way, disseminate the charm of life, constantly penetrate into the daily of people
In life, the spiritual home of one and harmonious peacefulness is built for people.
Concrete is a kind of material of large-scale use in building, is referred to the cementing integral work of aggregate by cementitious material
The general designation of journey composite material, one word of concrete usually said, which refers to, makees cementitious material, sand, masonry aggregate with cement；(it can contain with water
Additive and admixture) cooperate by a certain percentage, it is agitated obtained by cement concrete.Concrete has abundant raw material, price
It is cheap, the characteristics of simple production process, thus keep its dosage increasing.Concrete also has compression strength height simultaneously, durable
The features such as property is good, and strength grade range is wide.
With increasing for people's use demand, the type of concrete also starts to increase, and high-strength concrete is exactly one of which,
High-strength concrete refers to that intensity is greater than the concrete of C60, and this concrete crushing strength is high, and generally regular tenacity is mixed doubts soil
4-6 times, therefore the section of component can be reduced, therefore optimum is used for skyscraper.But existing high-strength concrete is using
When need water to be used very much, expend a large amount of manpower and material resources, this is just that the use of people brings inconvenience.
Summary of the invention
The purpose of the present invention is to provide a kind of high-strength concretes that water consumption is low, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of high-strength concrete that water consumption is low, the raw material including following parts by weight: 45-73 parts of slag, cement 86-108
Part discards haydite 30.6-38.9 parts, 8.8-11.3 parts of basalt fibre, 18-23.5 parts of ABS high glue powder, dodecyl diphenyl oxide
5.9-7.7 parts of sodium disulfonate, 7.7-10.2 parts of citric acid, 12.4-16.8 parts of xanthan gum and 36-40.4 parts of propylene glycol.
As a further solution of the present invention: cement uses ordinary portland cement.
As a further solution of the present invention: the partial size of slag is 150-190 mesh, and the partial size for discarding haydite is 60-100
Mesh, the length of basalt fibre are 1.45-2.9mm.
The preparation method of the low high-strength concrete of the water consumption, the specific steps are as follows:
Slag is immersed in the alkaline solution that mass fraction is 8-12% 10-18 minutes by step 1, taking-up and clear water
It cleans, then slag is immersed in the acid solution that mass fraction is 5-7% 4-9 minutes, then calcined at 520-610 degrees Celsius
45-70 minutes, obtain Treated By Modified Slag；
ABS high glue powder is heated to molten condition by step 2, then citric acid is added thereto, cement, discarded haydite, changes
Property slag and basalt fibre, stir evenly in speed stirrer, obtain the first mixture；
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and xanthan gum are added in propylene glycol and ultrasonic wave disperse by step 3
It is even, it is then kept for 7-12 minutes in the electric field, obtains the second mixture；
Step 4, by the second mixture be added the first mixture in and stir evenly, stand 8-12 hour to get arrive at
Product.
As a further solution of the present invention: step 1 neutral and alkali solution includes sodium hydroxide solution, potassium hydroxide solution
With any one in lithium hydroxide solution, acid solution includes any one in acetum, hydrochloric acid solution and phosphoric acid solution
Kind.
As a further solution of the present invention: the revolving speed of moderate-speed mixer is 645-726rpm in step 2, in step 4
Speed of agitator is 1440-1530rpm.
As a further solution of the present invention: the power of ultrasonic wave is 80-125W in step 3, and the frequency of ultrasonic wave is
17-23KHz, electric field strength 20-30V/m, voltage 45-60V.
Compared with prior art, the beneficial effects of the present invention are: slag is modified by the present invention, then by Treated By Modified Slag,
The raw materials ball milling such as ABS high glue powder obtains the first mixture, by disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate xanthan gum mixing and benefit
It is modified with electric field, the second mixture is obtained, the first mixture and the second mixture are stirred evenly and stood, the finished product of preparation
Presetting period is short, and the time for reaching final strength is short, and water consumption is lower than existing high-strength concrete, and the final strength of this product is higher than
The final strength of existing high-strength concrete has wide prospect of the application.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of high-strength concrete that water consumption is low, the raw material including following parts by weight: 45 parts of slag, is discarded 86 parts of cement
30.6 parts of haydite, 8.8 parts of basalt fibre, 18 parts of ABS high glue powder, 5.9 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, citric acid
7.7 parts, 12.4 parts of xanthan gum and 36 parts of propylene glycol.The partial size of slag is 180 mesh, and the partial size for discarding haydite is 80 mesh, basalt
The length of fiber is 1.86mm.
The preparation method of the low high-strength concrete of the water consumption, the specific steps are as follows:
Slag is immersed in the sodium hydroxide solution that mass fraction is 9.6% 14 minutes by step 1, is taken out and clear
Water is cleaned, then slag is immersed in the hydrochloric acid solution that mass fraction is 6.2% 5 minutes, then calcines 64 points at 570 degrees Celsius
Clock obtains Treated By Modified Slag；
ABS high glue powder is heated to molten condition by step 2, then citric acid is added thereto, cement, discarded haydite, changes
Property slag and basalt fibre, stir evenly in speed stirrer, obtain the first mixture；
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and xanthan gum are added in propylene glycol and ultrasonic wave disperse by step 3
Even, the power of ultrasonic wave is 108W, and the frequency of ultrasonic wave is 21KHz, is then kept for 10 minutes in the electric field, electric field strength is
26V/m, voltage 56V obtain the second mixture；
Step 4, by the second mixture be added the first mixture in and stir evenly, stand 10 hours to get at
Product.
Embodiment 2
A kind of high-strength concrete that water consumption is low, the raw material including following parts by weight: 53.8 parts of slag, 90.4 parts of cement,
Discarded 33.5 parts of haydite, 9.5 parts of basalt fibre, 19.4 parts of ABS high glue powder, 6.4 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, lemon
8.4 parts of lemon acid, 13.7 parts of xanthan gum and 38.7 parts of propylene glycol.Cement uses ordinary portland cement.
The preparation method of the low high-strength concrete of the water consumption, the specific steps are as follows:
Slag is immersed in the lithium hydroxide solution that mass fraction is 9.3% 14 minutes by step 1, taking-up and clear water
It cleans, then slag is immersed in the acetum that mass fraction is 5.4% 7 minutes, then calcine 58 points at 569 degrees Celsius
Clock obtains Treated By Modified Slag；
ABS high glue powder is heated to molten condition by step 2, then citric acid is added thereto, ordinary portland cement, gives up
Haydite, Treated By Modified Slag and basalt fibre are abandoned, is stirred evenly in the blender that revolving speed is 675rpm, obtains the first mixture；
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and xanthan gum are added in propylene glycol and ultrasonic wave disperse by step 3
It is even, it is then kept for 11 minutes in the electric field, obtains the second mixture；
Second mixture is added in the first mixture and is stirred evenly with the revolving speed of 1470rpm, stood by step 4
10.5 hours to get arrive finished product.
Embodiment 3
A kind of high-strength concrete that water consumption is low, the raw material including following parts by weight: 63.8 parts of slag, 104.6 parts of cement,
Discarded 37.7 parts of haydite, 10.8 parts of basalt fibre, 21.7 parts of ABS high glue powder, 7.5 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate,
9.5 parts of citric acid, 15.5 parts of xanthan gum and 38.7 parts of propylene glycol.Cement uses ordinary portland cement.The partial size of slag is 190
Mesh, the partial size for discarding haydite is 80 mesh, and the length of basalt fibre is 2.66mm.
The preparation method of the low high-strength concrete of the water consumption, the specific steps are as follows:
Slag is immersed in the potassium hydroxide solution that mass fraction is 9.4% 15 minutes by step 1, taking-up and clear water
It cleans, then slag is immersed in the phosphoric acid solution that mass fraction is 6.4% 8 minutes, then calcine 62 points at 596 degrees Celsius
Clock obtains Treated By Modified Slag；
ABS high glue powder is heated to molten condition by step 2, then citric acid is added thereto, ordinary portland cement, gives up
Haydite, Treated By Modified Slag and basalt fibre are abandoned, is stirred evenly in the blender that revolving speed is 714rpm, obtains the first mixture；
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and xanthan gum are added in propylene glycol and ultrasonic wave disperse by step 3
Even, the power of ultrasonic wave is 113W, and the frequency of ultrasonic wave is 19KHz, is then kept for 11 minutes in the electric field, electric field strength is
25V/m, voltage 54V obtain the second mixture；
Second mixture is added in the first mixture and stirs evenly in the revolving speed of 1515rpm, stands 11 by step 4
Hour to get arrive finished product.
Embodiment 4
A kind of high-strength concrete that water consumption is low, the raw material including following parts by weight: 73 parts of slag, is discarded 108 parts of cement
38.9 parts of haydite, 11.3 parts of basalt fibre, 23.5 parts of ABS high glue powder, 7.7 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, lemon
10.2 parts of acid, 16.8 parts of xanthan gum and 40.4 parts of propylene glycol.The partial size of slag is 170 mesh, and the partial size for discarding haydite is 100 mesh,
The length of basalt fibre is 2.28mm.
The preparation method of the low high-strength concrete of the water consumption, the specific steps are as follows:
Slag is immersed in the alkaline solution that mass fraction is 11.2% 16 minutes by step 1, takes out and clear water is washed
Only, then by slag it is immersed in the acid solution that mass fraction is 5.8% 6 minutes, is then calcined 68 minutes at 588 degrees Celsius,
Obtain Treated By Modified Slag；
ABS high glue powder is heated to molten condition by step 2, then citric acid is added thereto, cement, discarded haydite, changes
Property slag and basalt fibre, stirred evenly in the blender that revolving speed is 690rpm, obtain the first mixture；
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and xanthan gum are added in propylene glycol and ultrasonic wave disperse by step 3
Even, the power of ultrasonic wave is 122W, and the frequency of ultrasonic wave is 21KHz, is then kept for 10 minutes in the electric field, electric field strength is
26V/m, voltage 52V obtain the second mixture；
Second mixture is added in the first mixture and is stirred evenly with the revolving speed of 1482rpm, stands 12 by step 4
Hour to get arrive finished product.
Comparative example 1
Using existing high-strength concrete as a comparison case 1.
Comparative example 2
Except xanthan gum is not contained, remaining raw material and preparation method are same as Example 3.
Comparative example 3
Except electric field treatment is not used, remaining raw material and preparation method are same as Example 3.
The product of the product of embodiment 1-4 and comparative example 1-3 are used respectively, the product of embodiment 1-4 is heavy with it respectively
The water of 0.56,0.52,0.45 and 0.5 times of amount is uniformly mixed, and obtains the concrete of embodiment 1-4, the product difference of comparative example 1-3
It is uniformly mixed with 1.05,0.83 and 0.75 times of water of its weight, obtains the concrete of comparative example 1-3, test the initial set of concrete
The compression strength of time and different time observe and record as a result, the results are shown in Table 1.
Table 1
| Presetting period | 1d compression strength | 5d compression strength | 7d compression strength | 15d compression strength | |
| Embodiment 1 | 48 minutes | C40 | C50 | C70 | C70 |
| Embodiment 2 | 53 minutes | C30 | C50 | C80 | C80 |
| Embodiment 3 | 45 minutes | C40 | C60 | C80 | C80 |
| Embodiment 4 | 56 minutes | C30 | C50 | C70 | C70 |
| Comparative example 1 | 165 minutes | C20 | C40 | C50 | C60 |
| Comparative example 2 | 137 minutes | C30 | C50 | C60 | C60 |
| Comparative example 3 | 126 minutes | C20 | C40 | C60 | C60 |
From table 1 it follows that the product of embodiment 1-4 exists in the less situation of product water consumption of embodiment 1-4
It is shorter than the product of comparative example 1-3 on presetting period, the product of embodiment 1-4 is higher than the product of comparative example 1-3 on final strength,
The product of embodiment 1-4 is shorter than the product of comparative example 1-3 in the time for reaching final strength, shows product of the invention with water
Existing high-strength concrete is less than in amount and presetting period, product of the invention is in the time and final strength for reaching final strength
Size on be above existing high-strength concrete.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of high-strength concrete that water consumption is low, which is characterized in that the raw material including following parts by weight: 45-73 parts of slag, water
86-108 parts of mud discards haydite 30.6-38.9 parts, 8.8-11.3 parts of basalt fibre, 18-23.5 parts of ABS high glue powder, dodecane
5.9-7.7 parts of yl diphenyl ether sodium disulfonate, 7.7-10.2 parts of citric acid, 12.4-16.8 parts of xanthan gum and propylene glycol 36-40.4
Part.
2. the low high-strength concrete of water consumption according to claim 1, which is characterized in that the cement uses common silicic acid
Salt cement.
3. the low high-strength concrete of water consumption according to claim 1 or 2, which is characterized in that the partial size of the slag is
150-190 mesh, the partial size for discarding haydite is 60-100 mesh, and the length of basalt fibre is 1.45-2.9mm.
4. a kind of preparation method for the high-strength concrete that water consumption a method according to any one of claims 1-3 is low, which is characterized in that tool
Steps are as follows for body:
Slag is immersed in the alkaline solution that mass fraction is 8-12% 10-18 minutes by step 1, takes out and clear water is washed
Only, then by slag it is immersed in the acid solution that mass fraction is 5-7% 4-9 minutes, is then calcined at 520-610 degrees Celsius
45-70 minutes, obtain Treated By Modified Slag；
ABS high glue powder is heated to molten condition by step 2, then citric acid, cement, discarded haydite, modified mine are added thereto
Slag and basalt fibre, stir evenly in speed stirrer, obtain the first mixture；
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and xanthan gum are added in propylene glycol and ultrasonic wave are uniformly dispersed, so by step 3
It is kept for 7-12 minutes in the electric field afterwards, obtains the second mixture；
Second mixture is added in the first mixture and is stirred evenly by step 4, stands 8-12 hours to get finished product is arrived.
5. the preparation method of the low high-strength concrete of water consumption according to claim 4, which is characterized in that the step 1
Neutral and alkali solution includes any one in sodium hydroxide solution, potassium hydroxide solution and lithium hydroxide solution, acid solution packet
Include any one in acetum, hydrochloric acid solution and phosphoric acid solution.
6. the preparation method of the low high-strength concrete of water consumption according to claim 4, which is characterized in that the step 2
The revolving speed of middle moderate-speed mixer is 645-726rpm, and the speed of agitator in step 4 is 1440-1530rpm.
7. the preparation method of the low high-strength concrete of the water consumption according to claim 4 or 6, which is characterized in that the step
The power of ultrasonic wave is 80-125W in rapid three, and the frequency of ultrasonic wave is 17-23KHz, electric field strength 20-30V/m, and voltage is
45-60V。
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