Self-insulation high-strength environment-friendly concrete and preparation method thereof
An environmentally friendly concrete, high-strength technology, applied in the field of concrete, can solve the problems of reducing the strength performance of concrete, poor interface compatibility, etc., and achieve the effects of improving interface compatibility, improving strength performance, and improving active energy.
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Embodiment 1
[0027] A kind of self-insulating high-strength environment-friendly concrete of the present embodiment comprises the following raw materials in parts by weight:
[0028] 100 parts of Portland cement, 40 parts of fine sand, 15 parts of foamed polyurethane resin, 20 parts of fly ash, 5 parts of modified wollastonite, 12 parts of blast furnace slag powder, 1 part of interface agent, sodium lignosulfonate 5 parts of water agent and 80 parts of deionized water.
[0029] The preparation method of the foamed polyurethane resin of the present embodiment is:
[0030] Step 1: Preparation of modified additives: Grind 10 parts of bentonite to 100 mesh first, then add it to 40 parts of sodium lauryl sulfate for ultra-dispersion for 20 minutes, the ultrasonic power is 100W, then take it out, dry it, and then irradiate it with electron beams treatment, the irradiation energy is 220keV, and the injection volume is 2×10 4 cm;
[0031] Step 2: Cyclodextrin modified polyurethane resin: 10 par...
Embodiment 2
[0040] A kind of self-insulating high-strength environment-friendly concrete of the present embodiment comprises the following raw materials in parts by weight:
[0041] 120 parts of Portland cement, 50 parts of fine sand, 25 parts of foamed polyurethane resin, 30 parts of fly ash, 15 parts of modified wollastonite, 18 parts of blast furnace slag powder, 5 parts of interface agent, sodium lignosulfonate 10 parts of water agent and 100 parts of deionized water.
[0042] The preparation method of the foamed polyurethane resin of the present embodiment is:
[0043] Step 1: Preparation of modified additives: Grind 10 parts of bentonite to 200 mesh first, then add it to 40 parts of sodium lauryl sulfate for ultra-dispersion for 30 minutes, the ultrasonic power is 200W, then take it out, dry it, and then irradiate it with electron beams treatment, the irradiation energy is 280keV, and the injection volume is 4×10 4 cm;
[0044] Step 2: Cyclodextrin modified polyurethane resin: 10 p...
Embodiment 3
[0053] A kind of self-insulating high-strength environment-friendly concrete of the present embodiment comprises the following raw materials in parts by weight:
[0054] 110 parts of Portland cement, 45 parts of fine sand, 20 parts of foamed polyurethane resin, 25 parts of fly ash, 10 parts of modified wollastonite, 15 parts of blast furnace slag powder, 3 parts of interface agent, sodium lignosulfonate 7.5 parts of water agent and 90 parts of deionized water.
[0055] The preparation method of the foamed polyurethane resin of this example is:
[0056] Step 1: Preparation of modified additives: Grind 10 parts of bentonite to 150 mesh first, then add 45 parts to sodium lauryl sulfate for ultra-dispersion for 25 minutes, ultrasonic power is 150W, then take it out, dry, and then irradiate with electron beams treatment, the irradiation energy is 250keV, and the injection volume is 3×10 4 cm;
[0057] Step 2: Cyclodextrin modified polyurethane resin: 10 parts of polyurethane res...
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