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Impermeable concrete and preparation method thereof
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An impermeable concrete and coarse aggregate technology, applied in the field of construction engineering materials, can solve problems such as the decline of impermeability of dams, potential safety hazards, and bubble rupture loss, and achieve the goal of reducing rupture loss, improving bubble film strength, and reducing bubble loss. Effect
Active Publication Date: 2022-01-07
济南鲁运建材有限公司
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Problems solved by technology
[0004] In view of the above-mentioned related technologies, the inventor believes that a large number of air bubbles in the impermeable concrete used for building embankments are broken and lost, which leads to a decrease in the impermeability of the embankment made using the impermeable concrete, resulting in potential safety hazards
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Embodiment 1
[0032] S1. Mix well with 1130kg coarse aggregate, 400kg fine aggregate and 300kg pozzolanic portland cement, add 12kg polypropylenefiber, 6kg calciumformate and 2kg hydrophobic white carbon black as additives, then add 75kg fly ash, 25kg of slag micropowder is used as an admixture, and each component is mixed and stirred evenly to obtain a dry mixture;
[0033] S2, under the condition of avoiding light, mix 7kg water with unsaturated polyester resin, 1kg UV curable resin, 1kg amylose and mix and stir evenly to make bubble film enhancer, then add 1kg air-entraining agent to make foaming agent, send to hair Add 160kg of water and 0.5kg of pumping agent to the foaming agent, stir and mix evenly, then add it to the dry mixture, mix and stir evenly to prepare impermeable concrete.
Embodiment 2
[0035] S1. Mix well with 1130kg coarse aggregate, 400kg fine aggregate and 300kg pozzolanic portland cement, add 18kg polypropylenefiber, 10kg calciumformate and 2kg hydrophobic white carbon black as additives, then add 88kg fly ash, 22kg of slag micropowder is used as an admixture, and each component is mixed and stirred evenly to obtain a dry mixture;
[0036] S2, under the condition of avoiding light, mix 8kg water with unsaturated polyester resin, 1kg UV curable resin, 2kg amylose and mix and stir evenly to make bubble film reinforcing agent, then add 1kg air-entraining agent to make foaming agent, send to hair Add 160kg of water and 0.7kg of pumping agent to the foaming agent, stir and mix evenly, then add it to the dry mixture, mix and stir evenly to prepare impermeable concrete.
Embodiment 3
[0038] S1. Mix well with 1260kg coarse aggregate, 400kg fine aggregate and 300kg pozzolanic portland cement, add 18kg polypropylenefiber, 10kg calciumformate and 2kg hydrophobic white carbon black as additives, then add 88kg fly ash, 22kg of slag micropowder is used as an admixture, and each component is mixed and stirred evenly to obtain a dry mixture;
[0039] S2, under the condition of avoiding light, mix 8kg water with unsaturated polyester resin, 1kg UV curable resin, 2kg amylose and mix and stir evenly to make bubble film reinforcing agent, then add 1kg air-entraining agent to make foaming agent, send to hair Add 160kg of water and 0.7kg of pumping agent to the foaming agent, stir and mix evenly, then add it to the dry mixture, mix and stir evenly to prepare impermeable concrete.
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Abstract
The invention relates to the field of constructional engineering materials, and particularly discloses impermeable concrete and a preparation method thereof. The impermeable concrete comprises the following raw materials in parts by weight: 1130-1390 parts of coarse aggregate, 400-540 parts of fine aggregate, 260-300 parts of cement, 160-210 parts of water, 0.5-0.9 part of a pumping agent, 100-120 parts of an admixture, 20-40 parts of an additive and 10-14 parts of a foaming agent, wherein the foaming agent comprises an air entraining agent and a bubble film reinforcing agent, the weight ratio of the air entraining agent to the bubble film reinforcing agent is 1: (9-13), the bubble film reinforcing agent comprises water-doped unsaturated polyester resin, ultraviolet curing resin and amylose, and the weight ratio of the water-doped unsaturated polyester resin to the ultraviolet curing resin to the amylose is (7-9): 1: (1-3). The impermeableconcrete can be used for pouring a dam, and has the advantages of improving the impervious performance of the dam and reducing potential safety hazards.
Description
technical field [0001] The application relates to the field of building engineering materials, more specifically, it relates to an anti-seepage concrete and a preparation method thereof. Background technique [0002] Impermeable concrete refers to the concrete whose impermeability grade is equal to or greater than P6 grade. The commonly used method is to mix air-entraining admixtures to generate disconnected air bubbles inside the concrete, cut off the capillary channels, change the pore structure, and improve the compactness of the concrete, thereby improving the impermeability of the concrete. [0003] In the related art, the Chinese invention patent application with the publication number CN111548082A discloses a kind of impermeable concrete and its preparation method. The impermeable concrete is composed of the following parts by weight: 100-200 parts of cement, 15-25 parts of fly ash, 2 to 5 parts of admixture, 50 to 100 parts of water, 300 to 500 parts of sand, 400 to...
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Application Information
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