Preparation method of geopolymer pavement repair material resistant to chloride ion erosion
A geopolymer and pavement repair technology, applied in cement production and other directions, can solve problems such as the generation of chloride ions, and achieve the effects of reducing migration and erosion, low requirements for equipment and equipment, and simple and effective methods
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Embodiment 1
[0023] The first step will be 400 g Grade fly ash and 20 g of 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane were charged into a rubber container, and agate balls were charged as grinding media. The volume ratio of agate balls to sample is 4:1.
[0024] In the second step, the mixed sample mixed with fly ash and 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane was placed on a ball mill for ball milling, and the ball mill speed was 400 r / min, continuous rotation for 5h, so that 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane is sufficiently and uniformly dispersed on the surface of fly ash to obtain modified fly ash.
[0025] The third step is to weigh 80 g of mineral powder and 20 g of fly ash in a mass ratio of 4:1, weigh 40 g of water glass (modulus 2.2), and 20 g of water, add them to the powder, and stir until the mixture is uniform.
[0026] The fourth step is to pour the above slurry into a mold, and cure it for 56 days at 20 ± 2°C an...
Embodiment 2
[0029] The first step will be 400 g Grade fly ash and 10 g of 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane were charged into a rubber container, and agate balls were charged as grinding media. The volume ratio of agate balls to sample is 4:1.
[0030] In the second step, the mixed sample mixed with fly ash and 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane was placed on a ball mill for ball milling, and the ball mill speed was 400 r / min, and continuously rotated for 5 h, so that 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane was sufficiently and uniformly dispersed on the surface of the fly ash to obtain the modified fly ash.
[0031] The third step is to weigh 80 g of mineral powder and 20 g of fly ash in a mass ratio of 4:1, weigh 40 g of water glass (modulus 2.2), and 20 g of water, add them to the powder, and stir until the mixture is uniform.
[0032] The fourth step is to pour the above slurry into a mold, and cure it for 56 days...
Embodiment 3
[0035] The first step will be 400 g Grade fly ash and 10 g of 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane were charged into a rubber container, and agate balls were charged as grinding media. The volume ratio of agate balls to sample is 4:1.
[0036] In the second step, the mixed sample mixed with fly ash and 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane was placed on a ball mill for ball milling, and the ball mill speed was 400 r / min, and continuously rotated for 5 h, so that 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane was sufficiently and uniformly dispersed on the surface of the fly ash to obtain the modified fly ash.
[0037] The third step is to weigh 80 g of mineral powder and 20 g of fly ash in a mass ratio of 4:1, weigh 40 g of water glass (modulus 2.2), and 20 g of water, add them to the powder, and stir until the mixture is uniform.
[0038] The fourth step is to pour the above slurry into a mold, and cure it for 56 days...
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