Additive for improving carbonization resistance of concrete as well as preparation method and application of additive
The invention provides an additive for improving carbonization resistance of concrete as well as a preparation method and application of the additive, and belongs to the technical field of concrete. The additive provided by the invention is prepared from the following components in parts by mass: 8-...
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| creator | WEI YONGBO LIU ZHIJUN PENG WEIXING WEI DE'EN ZHANG LINA WANG QINGXIANG ZHAO XIAOHUI YU JIANXIN LYU TINGJIAN |
| description | The invention provides an additive for improving carbonization resistance of concrete as well as a preparation method and application of the additive, and belongs to the technical field of concrete. The additive provided by the invention is prepared from the following components in parts by mass: 8-12 parts of mineral substance fine powder, 3-5 parts of silica fume, 10-15 parts of metakaolin, 3-5 parts of methyl silicate, 2-3 parts of an expanding agent, 5-8 parts of a super plasticizer and 6-12 parts of a self-healing expanding fiber anti-crack waterproof agent. Results of the embodiment show that the additive provided by the invention can reduce the internal porosity of concrete by 50% or more, and reduce the number of capillary pores and macropores. The strength of the prepared concrete can be improved by 70% in 3 days, the strength of the prepared concrete can reach the original strength on the 28th day in 7 days, and the strength can be improved by about 20% in 28 days. Energy spectrum analysis before an |
| format | Patent |
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The additive provided by the invention is prepared from the following components in parts by mass: 8-12 parts of mineral substance fine powder, 3-5 parts of silica fume, 10-15 parts of metakaolin, 3-5 parts of methyl silicate, 2-3 parts of an expanding agent, 5-8 parts of a super plasticizer and 6-12 parts of a self-healing expanding fiber anti-crack waterproof agent. Results of the embodiment show that the additive provided by the invention can reduce the internal porosity of concrete by 50% or more, and reduce the number of capillary pores and macropores. The strength of the prepared concrete can be improved by 70% in 3 days, the strength of the prepared concrete can reach the original strength on the 28th day in 7 days, and the strength can be improved by about 20% in 28 days. 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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
| title | Additive for improving carbonization resistance of concrete as well as preparation method and application of additive |
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