CN104276791A - Corrosion-resistant concrete and preparation method thereof - Google Patents

Abstract

The invention relates to a corrosion-resistant concrete which is prepared from the following raw materials in parts by weight: 3-5 parts of acrylamide (AM), 10-14 parts of 2-acrylamido-methylpropanesulfonic acid (AMPS), 1-1.4 parts of dimethyl diallyl ammonium chloride, 2-3 parts of sodium dioctyl sulfosuccinate, 1-2 parts of cocamidopropyl dimethyl betaine, 300-340 parts of river sand, 160-170 parts of cement, 490-530 parts of gravel, a right amount of water and 20-30 parts of assistant. The AM and AMPS added into the concrete increase the reinforcing steel corrosion resistance of the concrete, so that the concrete has favorable moisturizing performance and lower maintenance cost. The assistant enhances the tensile strength, bending strength, compression strength and compactness of the concrete and can emit perfume and resist moths and corrosion, so that the concrete has the advantages of higher corrosion resistance, higher water resistance, higher permeation resistance, favorable water reducing effect, high plasticity and favorable pumpability.

Description

A kind of rust protection concrete and preparation method thereof

Technical field

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

Background technology

The operation of mine has certain singularity and complicacy, for adapting to the environment of mine, not only require that concrete has high intensity, be out of shape little, good impermeability, good corrosion resistance, good frost resistance, and the over-all properties such as excellent weather resistance, also require to reduce thickness of shaft wall simultaneously as far as possible, reduce the cost of [underground.Current concrete also do not possess above over-all properties or cost higher, require further improvement performance, to meet the needs that drilling well that China constantly deepens is built, increase economic efficiency simultaneously, promote society's progress quickly.

Summary of the invention

The object of the present invention is to provide a kind of rust protection concrete and preparation method thereof, this concrete can prevent steel bar corrosion, and performance of keeping humidity is good, reduces maintenance cost.

Technical scheme of the present invention is as follows:

A kind of rust protection concrete, is characterized in that being made up of the raw material of following weight part: acrylamide (AM) 3-5,2-acrylamide-2-methylpro panesulfonic acid (AMPS) 10-14, dimethyl diallyl ammonium chloride 1-1.4, Dioctyl Sodium Sulfosuccinate 2-3, cocoamidopropyl dimethyl trimethyl-glycine 1-2, river sand 300-340, cement 160-170, stone 490-530, water are appropriate, auxiliary agent 20-30;

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 rust protection, is characterized in that comprising the following steps:

(1) acrylamide (AM), 2-acrylamide-2-methylpro panesulfonic acid (AMPS), dimethyl diallyl ammonium chloride, Dioctyl Sodium Sulfosuccinate, cocoamidopropyl dimethyl trimethyl-glycine are mixed with water, stir, obtain mixed serum;

(2) river sand, cement, stone 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 of the present invention with the addition of acrylamide (AM), 2-acrylamide-2-methylpro panesulfonic acid (AMPS), add concrete anti-steel bar corrosion performance, and performance of keeping humidity is good, reduces maintenance cost, is applicable to mine operation; 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 rust protection concrete, is made up of the raw material of following weight part (kilogram): acrylamide (AM) 4,2-acrylamide-2-methylpro panesulfonic acid (AMPS) 12, dimethyl diallyl ammonium chloride 1.3, Dioctyl Sodium Sulfosuccinate 2.5, cocoamidopropyl dimethyl trimethyl-glycine 1.5, river sand 320, cement 165, stone 510, water are appropriate, auxiliary agent 25;

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 rust protection, comprises the following steps:

(1) acrylamide (AM), 2-acrylamide-2-methylpro panesulfonic acid (AMPS), dimethyl diallyl ammonium chloride, Dioctyl Sodium Sulfosuccinate, cocoamidopropyl dimethyl trimethyl-glycine are mixed with water, stir, obtain mixed serum;

(2) river sand, cement, stone are mixed, the mixed serum obtained with (1) step and other remaining components mix, and stirring reaction 10 minutes, then pours into a mould, vibrate;

(3) in the wet environment of 5-18 DEG C, carry out maintenance 8 days after building, to obtain final product.

Experimental data:

The strength grade of concrete of this embodiment is C40, and the slump is 16cm, ultimate compression strength 48MPa, folding strength 20MPa.

Claims (2)

1. a rust protection concrete, is characterized in that being made up of the raw material of following weight part: acrylamide (AM) 3-5,2-acrylamide-2-methylpro panesulfonic acid (AMPS) 10-14, dimethyl diallyl ammonium chloride 1-1.4, Dioctyl Sodium Sulfosuccinate 2-3, cocoamidopropyl dimethyl trimethyl-glycine 1-2, river sand 300-340, cement 160-170, stone 490-530, water are appropriate, auxiliary agent 20-30;

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 rust protection according to claim 1, is characterized in that comprising the following steps:

(1) acrylamide (AM), 2-acrylamide-2-methylpro panesulfonic acid (AMPS), dimethyl diallyl ammonium chloride, Dioctyl Sodium Sulfosuccinate, cocoamidopropyl dimethyl trimethyl-glycine are mixed with water, stir, obtain mixed serum;

(2) river sand, cement, stone 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.