CN104058660A - Fast-setting high-strength concrete and preparation method thereof - Google Patents

Abstract

The invention relates to a fast-setting high-strength concrete which is prepared from the following raw materials in parts by weight: 8-11 parts of lithium carbonate, 7-9 parts of lithium oxide, 20-24 parts of lithium-base bentonite, 20-24 parts of calcined kaolin, 20-25 parts of bisphenol A epoxy resin, 50-70 parts of silicon micropowder, 6-8 parts of zinc phosphate, 350-380 parts of sand, 170-190 parts of cement, 560-590 parts of gravel, a right amount of water and 25-30 parts of assistant. The concrete has high setting speed and high strength; by adding the bisphenol A epoxy resin and silicon micropowder, the concrete has favorable water resistance and high folding strength; the assistant enhances the compression and folding strength of the concrete, and increases the aroma of the concrete; and the concrete has the advantages of favorable corrosion resistance, favorable water and seepage resistance, favorable water reducing property, favorable workability, favorable plasticity and favorable pumpability.

Description

A kind of quick-coagulating high-strength concrete and preparation method thereof

Technical field

The invention belongs to building material field, particularly a kind of quick-coagulating high-strength concrete and preparation method thereof.

Background technology

Concrete has abundant raw material, cheap, the simple feature of production technique, thereby make its consumption increasing.It is high that while concrete also has ultimate compression strength, good endurance, the features such as strength grade wide ranges.These features make its use range very extensive, not only in various civil engineering works, use, and be exactly shipbuilding, mechanical industry, the exploitation of ocean, geothermal engineering etc., concrete is also important material.

Development along with component materials of concrete, people are to being not only confined to ultimate compression strength to concrete performance requriements, but basing oneself upon on the basis of intensity the balance and coordination of more focusing on concrete weather resistance, deformation performance, fire-and explosion-proof performance, water-impervious performance, toughness, erosion resistance, heat retaining property, health environment-friendly and reducing costs etc. overall target.The requirement of concrete property indices is than clearer and more definite, refinement and concrete in the past.Meanwhile, the lifting of Architectural Equipment level, continuing to bring out and promoting of novel construction process, makes concrete technology adapt to different designs, construction and service requirements, develops very fast.

Concrete also be unable to do without the raw-material development of the reinforcement of concrete, be unable to do without the development and change of concrete engineering application.Therefore, development performance is more excellent, function is more powerful, more adapt to novel process, the concrete of new building object just seems particularly important.

Summary of the invention

The object of the present invention is to provide a kind of quick-coagulating high-strength concrete and preparation method thereof, this concrete coagulation speed is fast, and has high intensity, water-tolerant, High anti bending strength.

Technical scheme of the present invention is as follows:

A quick-coagulating high-strength concrete, is characterized in that being made by the raw material of following weight part: Quilonum Retard 8-11, Lithium Oxide 98min 7-9, lithium bentonite 20-24, calcined kaolin 20-24, bisphenol A epoxide resin 20-25, silicon powder 50-70, zinc phosphate 6-8, sand 350-380, cement 170-190, stone 560-590, water are appropriate, auxiliary agent 25-30;

Described auxiliary agent is made by the raw material of following weight part: graphene oxide 0.5-0.8, aluminum silicate fiber 6-7, trifluoroacetic acid 1-1.3, allyl oenanthate 1-2, vinylformic acid dimethylamino ethyl ester 1-2, cocounut oil acyl diethanolamine 0.2-0.3,4-methyl guaiacol and 4 0.4-0.6, butyl methacrylate 2-3,1,6 hexanediyl ester 1-2, Viscoat 295 1-2, magnesium oxide 5-7, magnesium borate crystal whisker 2-3, Thistle oil 0.4-0.5, sodium carbonate 0.8-1.2, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 16-20; Preparation method is: sodium carbonate, magnesium borate crystal whisker, cocounut oil acyl diethanolamine, graphene oxide, aluminum silicate fiber, trifluoroacetic acid, allyl oenanthate, vinylformic acid dimethylamino ethyl ester are mixed, grinding distribution 10-15 minute, add again water, be heated to 70-80 ℃, add Potassium Persulphate stirring reaction 20-30 minute, then mix with other remaining components, be heated to 80-90 ℃, stirring reaction 30-40 minute, obtains.

The concrete preparation method of described quick-coagulating high-strength, is characterized in that comprising the following steps:

(1) lithium bentonite, calcined kaolin, bisphenol A epoxide resin are mixed, grind 20-30 minute, then mix with Quilonum Retard, Lithium Oxide 98min, zinc phosphate, water, stir, obtain mixed serum;

(2) silicon powder, sand, cement, stone are mixed, the mixed serum and other remaining components that obtain with (1) step mix, stirring reaction 8-12 minute, and then cast, vibrates;

(3) in the wet environment of 5-25 ℃, carry out maintenance 7-9 days after building, obtain.

Beneficial effect of the present invention

Concrete coagulation speed of the present invention is fast, and has high intensity; By adding bisphenol A epoxide resin, silicon powder, water-tolerant, High anti bending strength; By making used additives, increased concrete pressure-proof and snap-resistent intensity, increased concrete fragrance, rustless property, waterproof, seepage control performance are good, also have good water reducing ability, workability, plasticity-and can pumping effect.

Embodiment

A quick-coagulating high-strength concrete, by following weight part (kilogram) raw material make: Quilonum Retard 9, Lithium Oxide 98min 8, lithium bentonite 22, calcined kaolin 22, bisphenol A epoxide resin 23, silicon powder 60, zinc phosphate 7, sand 370, cement 180, stone 580, water are appropriate, auxiliary agent 28;

Described auxiliary agent by following weight part (kilogram) raw material make: graphene oxide 0.6, aluminum silicate fiber 6.6, trifluoroacetic acid 1.2, allyl oenanthate 1.5, vinylformic acid dimethylamino ethyl ester 1.5, cocounut oil acyl diethanolamine 0.3,4-methyl guaiacol and 4 0.5, butyl methacrylate 2.5,1,6 hexanediyl ester 1.5, Viscoat 295 1.5, magnesium oxide 6, magnesium borate crystal whisker 2.5, Thistle oil 0.5, sodium carbonate 1, ammonium persulphate 0.1, Potassium Persulphate 0.1, water 18; Preparation method is: sodium carbonate, magnesium borate crystal whisker, cocounut oil acyl diethanolamine, graphene oxide, aluminum silicate fiber, trifluoroacetic acid, allyl oenanthate, vinylformic acid dimethylamino ethyl ester are mixed, grinding distribution 13 minutes, add again water, be heated to 75 ℃, add Potassium Persulphate stirring reaction 25 minutes, then mix with other remaining components, be heated to 85 ℃, stirring reaction 35 minutes, obtains.

The concrete preparation method of described quick-coagulating high-strength, comprises the following steps:

(1) lithium bentonite, calcined kaolin, bisphenol A epoxide resin are mixed, grind 25 minutes, then mix with Quilonum Retard, Lithium Oxide 98min, zinc phosphate, water, stir, obtain mixed serum;

(2) silicon powder, sand, cement, stone are mixed, the mixed serum and other remaining components that obtain with (1) step mix, stirring reaction 12 minutes, and then cast, vibrates;

(3) in the wet environment of 12-22 ℃, carry out maintenance 7 days after building, obtain.

Experimental data:

The strength grade of concrete of this embodiment is C40, and the slump is 15cm, ultimate compression strength 51.6MPa, folding strength 21.2MPa.

Claims (2)

1. a quick-coagulating high-strength concrete, is characterized in that being made by the raw material of following weight part: Quilonum Retard 8-11, Lithium Oxide 98min 7-9, lithium bentonite 20-24, calcined kaolin 20-24, bisphenol A epoxide resin 20-25, silicon powder 50-70, zinc phosphate 6-8, sand 350-380, cement 170-190, stone 560-590, water are appropriate, auxiliary agent 25-30;

Described auxiliary agent is made by the raw material of following weight part: graphene oxide 0.5-0.8, aluminum silicate fiber 6-7, trifluoroacetic acid 1-1.3, allyl oenanthate 1-2, vinylformic acid dimethylamino ethyl ester 1-2, cocounut oil acyl diethanolamine 0.2-0.3,4-methyl guaiacol and 4 0.4-0.6, butyl methacrylate 2-3,1,6 hexanediyl ester 1-2, Viscoat 295 1-2, magnesium oxide 5-7, magnesium borate crystal whisker 2-3, Thistle oil 0.4-0.5, sodium carbonate 0.8-1.2, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 16-20; Preparation method is: sodium carbonate, magnesium borate crystal whisker, cocounut oil acyl diethanolamine, graphene oxide, aluminum silicate fiber, trifluoroacetic acid, allyl oenanthate, vinylformic acid dimethylamino ethyl ester are mixed, grinding distribution 10-15 minute, add again water, be heated to 70-80 ℃, add Potassium Persulphate stirring reaction 20-30 minute, then mix with other remaining components, be heated to 80-90 ℃, stirring reaction 30-40 minute, obtains.

2. the concrete preparation method of quick-coagulating high-strength according to claim 1, is characterized in that comprising the following steps:

(1) lithium bentonite, calcined kaolin, bisphenol A epoxide resin are mixed, grind 20-30 minute, then mix with Quilonum Retard, Lithium Oxide 98min, zinc phosphate, water, stir, obtain mixed serum;

(2) silicon powder, sand, cement, stone are mixed, the mixed serum and other remaining components that obtain with (1) step mix, stirring reaction 8-12 minute, and then cast, vibrates;

(3) in the wet environment of 5-25 ℃, carry out maintenance 7-9 days after building, obtain.