A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Impermeable frost-resistant concrete and preparation method thereof
The invention discloses an impermeable frost-resistant concrete. The concrete is characterized by being prepared from the following raw materials in parts by weight: 820-860 parts of machine-made sand, 950-1000 parts of gravels, 7-11 parts of a water reducing agent, 115-125 parts of water, 50-60 parts of an air entraining agent and 50-60 parts of an anti-freezing agent. The air entraining agent isa mixture of saponin and dodecyl dimethyl amine oxide, and the weight ratio of saponin to dodecyl dimethyl amine oxide is 100-110: 2-4; the anti-freezing agent is a mixture of sodium nitrite and urea, and the weight ratio of sodium nitrite to urea is 8-10: 8-10; after the concrete provided by the invention is hardened, tiny bubbles are still reserved to improve the impermeability and the frost resistance and durability of the concrete; and the concrete also has the advantage of good anti-freezing and coagulation-promoting effects.
本发明公开了一种抗渗抗冻性混凝土，其特征在于：由以下重量份原料组成：机制砂820‑860份，碎石950‑1000份，减水剂7‑11份，水115‑125份、引气剂50‑60份、防冻剂50‑60份；其中，引气剂为皂角苷与十二烷基二甲基胺氧化物的混合物，皂角苷与十二烷基二甲基胺氧化物的重量比为100‑110:2‑4；防冻剂为亚硝酸钠和尿素的混合物，亚硝酸钠和尿素的重量比为8‑10:8‑10；本发明中的混凝土在硬化后仍然保留微小气泡改善混凝土抗渗性能和抗冻耐久性能；且混凝土也具有很好的防冻促凝效果的优点。
Impermeable frost-resistant concrete and preparation method thereof
The invention discloses an impermeable frost-resistant concrete. The concrete is characterized by being prepared from the following raw materials in parts by weight: 820-860 parts of machine-made sand, 950-1000 parts of gravels, 7-11 parts of a water reducing agent, 115-125 parts of water, 50-60 parts of an air entraining agent and 50-60 parts of an anti-freezing agent. The air entraining agent isa mixture of saponin and dodecyl dimethyl amine oxide, and the weight ratio of saponin to dodecyl dimethyl amine oxide is 100-110: 2-4; the anti-freezing agent is a mixture of sodium nitrite and urea, and the weight ratio of sodium nitrite to urea is 8-10: 8-10; after the concrete provided by the invention is hardened, tiny bubbles are still reserved to improve the impermeability and the frost resistance and durability of the concrete; and the concrete also has the advantage of good anti-freezing and coagulation-promoting effects.
本发明公开了一种抗渗抗冻性混凝土，其特征在于：由以下重量份原料组成：机制砂820‑860份，碎石950‑1000份，减水剂7‑11份，水115‑125份、引气剂50‑60份、防冻剂50‑60份；其中，引气剂为皂角苷与十二烷基二甲基胺氧化物的混合物，皂角苷与十二烷基二甲基胺氧化物的重量比为100‑110:2‑4；防冻剂为亚硝酸钠和尿素的混合物，亚硝酸钠和尿素的重量比为8‑10:8‑10；本发明中的混凝土在硬化后仍然保留微小气泡改善混凝土抗渗性能和抗冻耐久性能；且混凝土也具有很好的防冻促凝效果的优点。
High-strength, impermeable and frost-resistant concrete and processing technology thereof
| European Patent Office | 2020
Impermeable wear-resistant concrete and preparation method thereof
| European Patent Office | 2021
Impermeable wear-resistant concrete and preparation method thereof
| European Patent Office | 2020