CN104058657A - High-strength thermal-insulation concrete and preparation method thereof - Google Patents

Abstract

The invention relates to a high-strength thermal-insulation concrete which is prepared from the following raw materials in parts by weight: 5-7 parts of sodium carbonate, 20-30 parts of quicklime, 7-9 parts of aluminum sulfate, 80-100 parts of expanded perlite powder, 30-50 parts of aluminum silicate fiber cotton, 40-50 parts of low-calcium fly ash, 10-15 parts of straw, 18-23 parts of corn husk, 14-19 parts of reinforcing microbead, 150-180 parts of sand, 160-170 parts of cement, 530-550 parts of gravel, a right amount of water and 20-30 parts of assistant. The toughness of the concrete is effectively enhanced, and the tensile strength, folding strength and shock resistance of the concrete can be enhanced; the concrete ahs favorable thermal-insulation property; 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 high antirust property, favorable water resistance, favorable seepage resistance, favorable water reducing property, favorable workability, favorable plasticity and favorable pumpability.

Description

A kind of high-strength heat preservation concrete and preparation method thereof

Technical field

The invention belongs to building material field, particularly a kind of high-strength heat preservation 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 high-strength heat preservation concrete and preparation method thereof, this concrete has effectively promoted concrete toughness, and can promote concrete tensile strength, folding strength, shock resistance; And this concrete also has good heat retaining property.

Technical scheme of the present invention is as follows:

A high-strength heat preservation concrete, is characterized in that being made by the raw material of following weight part: soda ash 5-7, unslaked lime 20-30, Tai-Ace S 150 7-9, swelling perlite powder 80-100, aluminosilicate fiber cotton 30-50, low calcium fly ash 40-50, straw 10-15, maize peel 18-23, strengthening microballon 14-19, sand 150-180, cement 160-170, rubble 530-550, water are appropriate, auxiliary agent 20-30;

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 high-strength heat preservation, is characterized in that comprising the following steps:

(1) straw is cut into the section of 5-10cm, mixes with maize peel, soda ash, Tai-Ace S 150, low calcium fly ash, water, stir, obtain mixed serum;

(2) swelling perlite powder, aluminosilicate fiber cotton, unslaked lime, strengthening microballon, sand, cement, rubble 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 of the present invention has effectively promoted concrete toughness, and can promote concrete tensile strength, folding strength, shock resistance; And this concrete also has good heat retaining property; 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 high-strength heat preservation concrete, by following weight part (kilogram) raw material make: soda ash 6, unslaked lime 26, Tai-Ace S 150 8, swelling perlite powder 90, aluminosilicate fiber cotton 40, low calcium fly ash 45, straw 13, maize peel 20, strengthening microballon 16, sand 160, cement 167, rubble 540, water are appropriate, auxiliary agent 25;

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 high-strength heat preservation, comprises the following steps:

(1) straw is cut into the section of 5-10cm, mixes with maize peel, soda ash, Tai-Ace S 150, low calcium fly ash, water, stir, obtain mixed serum;

(2) swelling perlite powder, aluminosilicate fiber cotton, unslaked lime, strengthening microballon, sand, cement, rubble 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 10-20 ℃, carry out maintenance 8 days after building, obtain.

Experimental data:

The strength grade of concrete of this embodiment is C40, and the slump is 17cm, ultimate compression strength 51.8MPa, folding strength 20MPa.

Claims (2)

1. a high-strength heat preservation concrete, is characterized in that being made by the raw material of following weight part: soda ash 5-7, unslaked lime 20-30, Tai-Ace S 150 7-9, swelling perlite powder 80-100, aluminosilicate fiber cotton 30-50, low calcium fly ash 40-50, straw 10-15, maize peel 18-23, strengthening microballon 14-19, sand 150-180, cement 160-170, rubble 530-550, water are appropriate, auxiliary agent 20-30;

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 high-strength heat preservation according to claim 1, is characterized in that comprising the following steps:

(1) straw is cut into the section of 5-10cm, mixes with maize peel, soda ash, Tai-Ace S 150, low calcium fly ash, water, stir, obtain mixed serum;

(2) swelling perlite powder, aluminosilicate fiber cotton, unslaked lime, strengthening microballon, sand, cement, rubble 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.