Preparation method of underwater anti-dispersive concrete
An anti-dispersion, concrete technology, applied in the field of concrete, can solve problems such as poor pouring quality, and achieve the effect of excellent anti-dispersion performance
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Embodiment 1
[0033] A preparation method of underwater anti-dispersion concrete, said preparation method comprising the steps of:
[0034] ① By weight, take 6 parts of Portland cement, 1 part of fly ash, 1.5 parts of mineral powder, 0.5 part of metakaolin, 3 parts of gravel I, 4 parts of gravel II, 6 parts of gravel III, 3 parts of sand I, 2 parts 1 part of sand II, 0.1 part of flocculant and 4 parts of water;
[0035] The particle size of the stone I is 10mm;
[0036] The particle size of the stone II is 7mm;
[0037] The particle size of the stone III is 5mm;
[0038] The particle diameter of the sand I is 3.5mm;
[0039] The particle size of the sand II is 1.5mm;
[0040] ② Add Portland cement, fly ash, mineral powder, metakaolin, gravel I, gravel II, gravel III, sand I, sand II and flocculant weighed in step ① into water and mix well;
[0041] ③ Forming the product obtained in step ②;
[0042] ④ The product obtained in step ③ has a free drop of 500 mm in water, and is cured in wa...
Embodiment 2
[0044] A preparation method of underwater anti-dispersion concrete, said preparation method comprising the steps of:
[0045] ① In parts by weight, take 5 parts of Portland cement, 1 part of fly ash, 1 part of mineral powder, 0.3 part of metakaolin, 4 parts of gravel I, 3 parts of gravel II, 5 parts of gravel III, 4 parts of sand I, 4 parts 1 part of sand II, 0.1 part of flocculant and 3 parts of water;
[0046] The particle diameter of the stone I is 9.5mm;
[0047] The particle size of the stone II is 8mm;
[0048] The particle size of the stone III is 6mm;
[0049] The particle diameter of the sand I is 4mm;
[0050] The particle size of the sand II is 2mm;
[0051] ② Add Portland cement, fly ash, mineral powder, metakaolin, gravel I, gravel II, gravel III, sand I, sand II and flocculant weighed in step ① into water and mix well;
[0052] ③ Forming the product obtained in step ②;
[0053] ④ The product obtained in step ③ has a free fall of 550 mm in water, and is cure...
Embodiment 3
[0055] A preparation method of underwater anti-dispersion concrete, characterized in that: the preparation method comprises the following steps:
[0056] ① By weight, take 4.5 parts of Portland cement, 1 part of fly ash, 1.2 parts of mineral powder, 0.3 parts of metakaolin, 2 parts of gravel I, 2.5 parts of gravel II, 4 parts of gravel III, 2 parts of sand I, 3 parts 1 part of sand II, 0.2 part of flocculant and 4 parts of water;
[0057] The particle diameter of the stone I is 9mm;
[0058] The particle size of the stone II is 7.5mm;
[0059] The particle size of the stone III is 5.5mm;
[0060] The particle diameter of the sand I is 4.5mm;
[0061] The particle size of the sand II is 2.5mm;
[0062] ② Add Portland cement, fly ash, mineral powder, metakaolin, gravel I, gravel II, gravel III, sand I, sand II and flocculant weighed in step ① into water and mix well;
[0063] ③ Forming the product obtained in step ②;
[0064] ④ The product obtained in step ③ has a free fal...
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