CN104529316A - Corrosion-resistant concrete - Google Patents

Abstract

The invention discloses a corrosion-resistant concrete which is prepared from the following raw materials, by weight: 0.4-0.9 parts of a TG cementing agent, 0.2-0.4 parts of coke, 3.5-4.5 parts of molasses, 0.1-0.3 parts of sodium carbonate, 0.2-0.4 parts of sodium thiosulfate, 5-12 parts of hollow glass microspheres, 0.8-1 part of sodium nitrate, 1-5 parts of a naphthalene-series water-reducing agent, 1-3 parts of stearic acid, 0.1-0.3 parts of glass fiber, 0.2-0.4 parts of tetrahydroxyethyl ethylenediamine, 5-10 parts of diatomite, 1-3 parts of modified coated clay, 1-3 parts of re-burned magnesium oxide, 0.2-0.5 parts of magnesium stearate, 10-15 parts of dolomite, 30-40 parts of white cement, and 2-3 parts of oxidized starch.

Description

A kind of corrosion resistant concrete

Technical field

The present invention relates to concrete field, is exactly a kind of corrosion resistant concrete.

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 corrosion resistant 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 corrosion resistant concrete is also important material.

Summary of the invention

The object of the present invention is to provide a kind of corrosion resistant concrete.

Above-mentioned purpose is realized by following scheme:

A kind of corrosion resistant concrete, is characterized in that: it is obtained by the raw material of following weight parts:

TG jointing compound 0.4-0.9, coke 0.2-0.4, molasses 3.5-4.5, sodium carbonate 0.1-0.3, Sulfothiorine 0.2-0.4, hollow glass microbead 5-12, SODIUMNITRATE 0.8-1, naphthalene water reducer 1-5, stearic acid 1-3, glass fibre 0.1-0.3, tetrahydroxyethyl-ethylene diamine 0.2-0.4, diatomite 5-10, the coated potter's clay 1-3 of modification, dead burned magnesia 1-3, Magnesium Stearate 0.2-0.5, rhombspar 10-15, white cement 30-40, Sumstar 190 2-3;

The coated potter's clay of described modification is obtained by the raw material of following weight parts: potter's clay 40-50, sodium alginate 0.1-0.3, W-Gum 3-5, water glass 0.4-0.6, Tai-Ace S 150 0.2-0.4, stearylamide 0.4-0.7, calcium stearate 1.8-2.2, polyoxyethylene glycol 1-2, citric acid 0.2-0.4, vulcabond 0.1-0.6;

The preparation method of the coated potter's clay of described modification is: extracting corn starch adds water the suspension that stirs to obtain, add water glass, Tai-Ace S 150, stearylamide again, again at 40-45 DEG C 100-180 rev/min stir 50-70min, add all the other raw materials again, stir, inactive slurry 30-60 minute, dry, pulverize and get final product.

Described a kind of corrosion resistant concrete, is characterized in that:

Preparation method comprises the following steps:

(1) after coke, molasses, sodium carbonate, Sulfothiorine, hollow glass microbead, SODIUMNITRATE, naphthalene water reducer, stearic acid, glass fibre, tetrahydroxyethyl-ethylene diamine, diatomite, the coated potter's clay of modification, dead burned magnesia, Magnesium Stearate mixing, add suitable quantity of water, stir, stir into suspension, for subsequent use;

(2) rhombspar is broken, then soaks 10-12 hour in the hydrochloric acid soln that concentration is 3-5%, takes out, deionized water wash post-drying, then mixes with Sumstar 190, obtain mixed powder for subsequent use;

(3) after suspension and mixed powder mix, leave standstill after 10-14 hour, suction filtration is dry, obtains modification powder for subsequent use;

(4), after modification powder mixes with surplus stock again, to obtain final product.

Beneficial effect of the present invention is: concrete of the present invention, owing to adding the corrosion resistant composition such as glass fibre, the coated potter's clay of modification, by techniques such as modified powders during preparation, makes concrete have good erosion resistance, security.

Embodiment

A kind of corrosion resistant concrete, it is obtained by the raw material of following weight (kg):

TG jointing compound 0.4, coke 0.2, molasses 3.5, sodium carbonate 0.1, Sulfothiorine 0.2, hollow glass microbead 5, SODIUMNITRATE 0.8, naphthalene water reducer 4, stearic acid 3, glass fibre 0.3, tetrahydroxyethyl-ethylene diamine 0.4, diatomite 10, the coated potter's clay 3 of modification, dead burned magnesia 3, Magnesium Stearate 0.5, rhombspar 15, white cement 40, Sumstar 190 3;

The coated potter's clay of described modification is obtained by the raw material of following weight (kg): potter's clay 50, sodium alginate 0.3, W-Gum 5, water glass 0.6, Tai-Ace S 150 0.4, stearylamide 0.4, calcium stearate 1.8, polyoxyethylene glycol 1, citric acid 0.4, vulcabond 0.4;

The preparation method of the coated potter's clay of described modification is: extracting corn starch adds water the suspension that stirs to obtain, then adds water glass, Tai-Ace S 150, stearylamide, then at 45 DEG C 180 revs/min stir 70min, add all the other raw materials again, stir, inactive slurry 60 minutes, dry, pulverize and get final product.

Described a kind of corrosion resistant concrete, preparation method comprises the following steps:

(1) after coke, molasses, sodium carbonate, Sulfothiorine, hollow glass microbead, SODIUMNITRATE, naphthalene water reducer, stearic acid, glass fibre, tetrahydroxyethyl-ethylene diamine, diatomite, the coated potter's clay of modification, dead burned magnesia, Magnesium Stearate mixing, add suitable quantity of water, stir, stir into suspension, for subsequent use;

(2) rhombspar is broken, then soaks 12 hours in the hydrochloric acid soln that concentration is 3.5%, takes out, deionized water wash post-drying, then mixes with Sumstar 190, obtain mixed powder for subsequent use;

(3) after suspension and mixed powder mix, leave standstill after 14 hours, suction filtration is dry, obtains modification powder for subsequent use;

(4), after modification powder mixes with surplus stock again, to obtain final product.

All raw materials are added suitable quantity of water stir, by building mould, compacting is vibrated, surperficial decurl demoulding after 8 hours, standard natural curing 5 days again, sprinkle water every day and obtain corrosion resistant concrete sample twice, obtained corrosion resistant concrete sample performs GB/T50081-2002 standard, and the average intensity of three tests is 24.8Mpa.

Claims (2)

1. a corrosion resistant concrete, is characterized in that: it is obtained by the raw material of following weight parts:

TG jointing compound 0.4-0.9, coke 0.2-0.4, molasses 3.5-4.5, sodium carbonate 0.1-0.3, Sulfothiorine 0.2-0.4, hollow glass microbead 5-12, SODIUMNITRATE 0.8-1, naphthalene water reducer 1-5, stearic acid 1-3, glass fibre 0.1-0.3, tetrahydroxyethyl-ethylene diamine 0.2-0.4, diatomite 5-10, the coated potter's clay 1-3 of modification, dead burned magnesia 1-3, Magnesium Stearate 0.2-0.5, rhombspar 10-15, white cement 30-40, Sumstar 190 2-3;

The coated potter's clay of described modification is obtained by the raw material of following weight parts: potter's clay 40-50, sodium alginate 0.1-0.3, W-Gum 3-5, water glass 0.4-0.6, Tai-Ace S 150 0.2-0.4, stearylamide 0.4-0.7, calcium stearate 1.8-2.2, polyoxyethylene glycol 1-2, citric acid 0.2-0.4, vulcabond 0.1-0.6;

The preparation method of the coated potter's clay of described modification is: extracting corn starch adds water the suspension that stirs to obtain, add water glass, Tai-Ace S 150, stearylamide again, again at 40-45 DEG C 100-180 rev/min stir 50-70min, add all the other raw materials again, stir, inactive slurry 30-60 minute, dry, pulverize and get final product.

2. a kind of corrosion resistant concrete according to claim 1, is characterized in that:

Preparation method comprises the following steps:

(1) after coke, molasses, sodium carbonate, Sulfothiorine, hollow glass microbead, SODIUMNITRATE, naphthalene water reducer, stearic acid, glass fibre, tetrahydroxyethyl-ethylene diamine, diatomite, the coated potter's clay of modification, dead burned magnesia, Magnesium Stearate mixing, add suitable quantity of water, stir, stir into suspension, for subsequent use;

(2) rhombspar is broken, then soaks 10-12 hour in the hydrochloric acid soln that concentration is 3-5%, takes out, deionized water wash post-drying, then mixes with Sumstar 190, obtain mixed powder for subsequent use;

(3) after suspension and mixed powder mix, leave standstill after 10-14 hour, suction filtration is dry, obtains modification powder for subsequent use;

(4), after modification powder mixes with surplus stock again, to obtain final product.