CN104230221A - Insulated fiber concrete and preparation method thereof - Google Patents

Abstract

The invention discloses an insulated fiber concrete which is prepared from the following raw materials in parts by weight: 3-5 parts of calcium stearate, 3-4 parts of methylcellulose, 18-21 parts of dispersed latex powder, 2-4 parts of borax, 80-100 parts of expanded perlite, 30-40 parts of rock and mineral wool, 40-50 parts of silicic acid fiber cotton, 20-25 parts of kaolin, 200-220 parts of cement, 550-590 parts of pebble, 4-6 parts of ferroferric oxide, a proper amount of water, 24-28 parts of auxiliaries and 280-320 parts of sand. The insulated fiber concrete disclosed by the invention is high in fiber content and good in fracture resistance; due to the added dispersed latex powder and kaolin, cracks are not easy to generate, the density, anti-cracking property, impact resistance and impervious performance of the concrete are improved, the moisture absorption effect is good, and the maintenance is easy; due to the added expanded perlite, the heat-preservation property is improved; due to the added auxiliaries, the tensile strength, fracture resistance, compressive strength and density of the concrete are improved.

Description

A kind of insulation fibre concrete and preparation method thereof

Technical field

The invention belongs to building material field, particularly a kind of insulation fibre concrete and preparation method thereof.

Background technology

Concrete has abundant raw material, cheap, the simple feature of production technique, thus makes its consumption increasing.Simultaneously also to have ultimate compression strength high for concrete, good endurance, the features such as strength grade wide ranges.These features make its use range very extensive, and not only using in various civil engineering work, is exactly shipbuilding, mechanical industry, the exploitation of ocean, geothermal engineering etc., and concrete is also important material.

Along with the development of component materials of concrete, people are not only confined to ultimate compression strength to concrete performance requriements, but on the basis basing oneself upon intensity, more focus on concrete weather resistance, deformation performance, fire-and explosion-proof performance, water-impervious performance, toughness, erosion resistance, heat retaining property, health environment-friendly and to reduce costs etc. the balance and coordination of overall target.The requirement of concrete property indices is than clearer and more definite, refinement in the past and concrete.Meanwhile, the lifting of Architectural Equipment level, the continuing to bring out and promoting of novel construction process, concrete technology is adapted 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 engineer applied object.Therefore, develop that 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 insulation fibre concrete and preparation method thereof, this this fracture resistance of concrete is good, not easily produces crack, and density, resistance to cleavage, shock resistance and anti-permeability performance are good, and moisture sorption effect is good, easy maintenance, good heat insulating.

Technical scheme of the present invention is as follows:

A kind of insulation fibre concrete, is characterized in that being made up of the raw material of following weight part: calcium stearate 3-5, methylcellulose gum 3-4, dispersed latex powder 18-21, borax 2-4, swelling perlite powder 80-100, rock ore deposit suede 30-40, silicate fiber cotton 40-50, kaolin 20-25, cement 200-220, stone 550-590, Z 250 4-6, water are appropriate, auxiliary agent 24-28, sand 280-320;

Described auxiliary agent is made up of the raw material of following weight part: epoxy acrylate 2-3, methyl acrylate 2-3, tetramethylolmethane 1-2, vinyl cyanide 2-3, allyl oenanthate 2-3, ethyl propenoate 1-2, mandarin oil 0.4-0.6, benzotriazole 1-2, trimeric cyanamide 1-2, 12-hydroxy lithium stearate 1-2, steel fiber 4-6, active calcium silicate 4-5, Prunus amygdalus oil 1-1.7, triethylene tetramine 0.2-0.3, perfluoro octyl sulfonic acid sodium 0.6-0.9, sodium malate 0.5-0.7, coconut oil diethanol amide 0.5-0.8, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 15-18, , preparation method is: by water, epoxy acrylate, methyl acrylate, tetramethylolmethane, vinyl cyanide, allyl oenanthate, perfluoro octyl sulfonic acid sodium, sodium malate, coconut oil diethanol amide, benzotriazole, steel fiber mixing, be heated to 70-80 DEG C, add ammonium persulphate stirring reaction 20-30 minute, mix with other remaining components again, be heated to 80-90 DEG C, stirring reaction 40-50 minute, to obtain final product.

The concrete preparation method of described insulation fibre, is characterized in that comprising the following steps:

(1) by dispersed latex powder, kaolin mixed grinding 20-30 minute, then mix with calcium stearate, methylcellulose gum, borax, water, stir, obtain mixed serum;

(2) swelling perlite powder, rock ore deposit suede, silicate fiber cotton, cement, stone, Z 250, sand are mixed, the mixed serum obtained with (1) step and other remaining components mix, and stirring reaction 8-12 minute, then pours into a mould, and vibrates;

(3) in the wet environment of 5-25 DEG C, carry out maintenance 7-9 days after building, to obtain final product.

Beneficial effect of the present invention

Concrete fibre content of the present invention is high, and fracture resistance is good, not easily produces crack, and by adding dispersed latex powder, kaolin, add concrete density, resistance to cleavage, shock resistance and anti-permeability performance, moisture sorption effect is good, easy maintenance; With the addition of swelling perlite powder, add heat-insulating property; By making used additives, add concrete tension, anti-folding, ultimate compression strength and density, can be scentetd, mothproof protection against corrosion, enhances antirust, waterproof, barrier performance, water reducing ability, plasticity-and can pumping effective.

Embodiment

A kind of insulation fibre concrete, is made up of the raw material of following weight part (kilogram): calcium stearate 4, methylcellulose gum 3.5, dispersed latex powder 19, borax 3, swelling perlite powder 90, rock ore deposit suede 35, silicate fiber cotton 45, kaolin 23, cement 210, stone 570, Z 250 5, water are appropriate, auxiliary agent 26, sand 300;

Described auxiliary agent is made up of the raw material of following weight part (kilogram): epoxy acrylate 2.5, methyl acrylate 2.5, tetramethylolmethane 1.5, vinyl cyanide 2.5, allyl oenanthate 2.5, ethyl propenoate 1.5, mandarin oil 0.5, benzotriazole 1.5, trimeric cyanamide 1.5, 12-hydroxy lithium stearate 1.5, steel fiber 5, active calcium silicate 4.5, Prunus amygdalus oil 1.4, triethylene tetramine 0.2, perfluoro octyl sulfonic acid sodium 0.8, sodium malate 0.6, coconut oil diethanol amide 0.6, ammonium persulphate 0.2, Potassium Persulphate 0.2, water 16, , preparation method is: by water, epoxy acrylate, methyl acrylate, tetramethylolmethane, vinyl cyanide, allyl oenanthate, perfluoro octyl sulfonic acid sodium, sodium malate, coconut oil diethanol amide, benzotriazole, steel fiber mixing, be heated to 75 DEG C, add ammonium persulphate stirring reaction 25 minutes, mix with other remaining components again, be heated to 85 DEG C, stirring reaction 45 minutes, to obtain final product.

The concrete preparation method of described insulation fibre, comprises the following steps:

(1) by dispersed latex powder, kaolin mixed grinding 25 minutes, then mix with calcium stearate, methylcellulose gum, borax, water, stir, obtain mixed serum;

(2) swelling perlite powder, rock ore deposit suede, silicate fiber cotton, cement, stone, Z 250, sand are mixed, the mixed serum obtained with (1) step and other remaining components mix, and stirring reaction 11 minutes, then pours into a mould, vibrate;

(3) in the wet environment of 13-25 DEG C, carry out maintenance 8 days after building, to obtain final product.

Experimental data:

The strength grade of concrete of this embodiment is C30, and the slump is 13cm, ultimate compression strength 41MPa, folding strength 16.9MPa.

Claims (2)

1. an insulation fibre concrete, is characterized in that being made up of the raw material of following weight part: calcium stearate 3-5, methylcellulose gum 3-4, dispersed latex powder 18-21, borax 2-4, swelling perlite powder 80-100, rock ore deposit suede 30-40, silicate fiber cotton 40-50, kaolin 20-25, cement 200-220, stone 550-590, Z 250 4-6, water are appropriate, auxiliary agent 24-28, sand 280-320;

Described auxiliary agent is made up of the raw material of following weight part: epoxy acrylate 2-3, methyl acrylate 2-3, tetramethylolmethane 1-2, vinyl cyanide 2-3, allyl oenanthate 2-3, ethyl propenoate 1-2, mandarin oil 0.4-0.6, benzotriazole 1-2, trimeric cyanamide 1-2, 12-hydroxy lithium stearate 1-2, steel fiber 4-6, active calcium silicate 4-5, Prunus amygdalus oil 1-1.7, triethylene tetramine 0.2-0.3, perfluoro octyl sulfonic acid sodium 0.6-0.9, sodium malate 0.5-0.7, coconut oil diethanol amide 0.5-0.8, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 15-18, , preparation method is: by water, epoxy acrylate, methyl acrylate, tetramethylolmethane, vinyl cyanide, allyl oenanthate, perfluoro octyl sulfonic acid sodium, sodium malate, coconut oil diethanol amide, benzotriazole, steel fiber mixing, be heated to 70-80 DEG C, add ammonium persulphate stirring reaction 20-30 minute, mix with other remaining components again, be heated to 80-90 DEG C, stirring reaction 40-50 minute, to obtain final product.

2. the concrete preparation method of insulation fibre according to claim 1, is characterized in that comprising the following steps:

(1) by dispersed latex powder, kaolin mixed grinding 20-30 minute, then mix with calcium stearate, methylcellulose gum, borax, water, stir, obtain mixed serum;

(2) swelling perlite powder, rock ore deposit suede, silicate fiber cotton, cement, stone, Z 250, sand are mixed, the mixed serum obtained with (1) step and other remaining components mix, and stirring reaction 8-12 minute, then pours into a mould, and vibrates;

(3) in the wet environment of 5-25 DEG C, carry out maintenance 7-9 days after building, to obtain final product.