Alite-sulphoaluminate cement concrete crack-resistant admixture
A technology of sulphoaluminate cement and concrete, which is applied in the field of construction admixtures, can solve the problems of concrete durability decline, temperature difference cracks, concrete temperature rise, etc., and achieve the effect of good adaptability and excellent crack resistance
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Embodiment 1
[0052] An anti-cracking admixture for Alite-sulfoaluminate cement concrete, by weight percentage, includes the following components:
[0053] Ground Quartz Sand 24%
[0054] Polycarboxylate water-reducing mother liquor 24%
[0055] Sodium Tetraborate 18%
[0056] Redispersible latex powder 8%
[0057] Polyvinyl alcohol 4%
[0058] Aluminum hydroxide 6%
[0059] Mannitol 9%
[0061] The average particle size of the ground quartz sand is 2.4um; the polycarboxylate water-reducing mother liquor is a maleic anhydride polycarboxylate water-reducer; the polycarboxylate water-reducing mother liquor has a solid content of 40%; The redispersible latex powder is ethylene-vinyl acetate copolymer.
[0062]A preparation process for an anti-cracking admixture for Alite-sulfoaluminate cement concrete, carried out as follows:
[0063] Step 1, weighing or preparing each component according to the proportion;
[0064] Step 2, fully mix the finely ground quart...
Embodiment 2
[0067] An anti-cracking admixture for Alite-sulfoaluminate cement concrete, by weight percentage, includes the following components:
[0068] Ground Quartz Sand 26%
[0069] Polycarboxylate water-reducing mother liquor 22%
[0070] Sodium Tetraborate 18%
[0071] Redispersible latex powder 10%
[0072] Polyvinyl alcohol 5%
[0073] Aluminum hydroxide 5%
[0074] Mannitol 8%
[0076] The average particle size of the ground quartz sand is 2.4um; the polycarboxylate water-reducing mother liquor is an acrylic polycarboxylate water-reducer; the solid content of the polycarboxylate water-reducing mother liquor is 40%; The redispersed latex powder is an acrylate-styrene copolymer.
[0077] A preparation process for an anti-cracking admixture for Alite-sulfoaluminate cement concrete, carried out as follows:
[0078] Step 1, weighing or preparing each component according to the proportion;
[0079] Step 2, fully mix the finely ground quartz sand, po...
Embodiment 3
[0082] An anti-cracking admixture for Alite-sulfoaluminate cement concrete, by weight percentage, includes the following components:
[0083] Ground Quartz Sand 26%
[0084] Polycarboxylate water-reducing mother liquor 26%
[0085] Sodium Tetraborate 16%
[0086] Redispersible latex powder 9%
[0087] Polyvinyl alcohol 4%
[0088] Aluminum hydroxide 6%
[0089] Mannitol 8%
[0090] Calcium formate 5%
[0091] The average particle diameter of the ground quartz sand is 2.4um; the polycarboxylate water-reducing mother liquor is a methacrylic acid polycarboxylate water-reducer; the polycarboxylate water-reducing mother liquor has a solid content of 40%; The redispersible latex powder is an acrylate-styrene copolymer.
[0092] A preparation process for an anti-cracking admixture for Alite-sulfoaluminate cement concrete, carried out as follows:
[0093] Step 1, weighing or preparing each component according to the proportion;
[0094] Step 2, fully mix the finely ground qua...
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