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High-strength and high-ductility concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses high-strength and high-ductility concrete and a preparation method thereof. The high-strength and high-ductility concrete is prepared from the following components in parts by weight: 190 to 225 parts of cement, 75 to 110 parts of blast furnace slag, 16 to 30 parts of silica fume, 105 to 120 parts of fine aggregate, 7 to 10 parts of modified polyvinyl alcohol fiber, 4.7 to 6 parts of steel fiber, 84 to 116 parts of water and 3 to 6 parts of water reducing agent, the modified polyvinyl alcohol fiber is prepared from the following raw materials: microporous polyvinyl alcohol fiber, waterborne polyurethane emulsion and carrageenan in a weight ratio of 1: (0.4-0.7); the preparation method comprises the following steps: preparing the microporous polyvinyl alcohol fiber, preparing the modified polyvinyl alcohol fiber, preparing a dry mixture, preparing a wet mixture, pre-mixing, stirring, pouring and curing. The method has the advantages that the strength and ductility of the concrete are improved at the same time, and the service life of the concrete is prolonged.
本申请涉及混凝土领域，具体公开了一种高强度高延性混凝土以及制备方法。一种高强度高延性混凝土按重量份数，包括有以下组分：水泥190～225份，高炉矿渣75～110份，硅灰16～30份，细骨料105～120份，改性聚乙烯醇纤维7～10，钢纤维4.7～6，水84～116份，减水剂3～6份；所述改性聚乙烯醇纤维的原料，包括重量比为1：（0.4～0.7）的微孔聚乙烯醇纤维、水性聚氨酯乳液、卡拉胶；其制备方法为：制备微孔聚乙烯醇纤维、制备改性聚乙烯醇纤维、制备干混料、制备湿混料、预拌合、拌合、浇筑及养护。本申请的方法具有同时提高混凝土的强度和延性，提升混凝土的服役寿命的优点。
High-strength and high-ductility concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses high-strength and high-ductility concrete and a preparation method thereof. The high-strength and high-ductility concrete is prepared from the following components in parts by weight: 190 to 225 parts of cement, 75 to 110 parts of blast furnace slag, 16 to 30 parts of silica fume, 105 to 120 parts of fine aggregate, 7 to 10 parts of modified polyvinyl alcohol fiber, 4.7 to 6 parts of steel fiber, 84 to 116 parts of water and 3 to 6 parts of water reducing agent, the modified polyvinyl alcohol fiber is prepared from the following raw materials: microporous polyvinyl alcohol fiber, waterborne polyurethane emulsion and carrageenan in a weight ratio of 1: (0.4-0.7); the preparation method comprises the following steps: preparing the microporous polyvinyl alcohol fiber, preparing the modified polyvinyl alcohol fiber, preparing a dry mixture, preparing a wet mixture, pre-mixing, stirring, pouring and curing. The method has the advantages that the strength and ductility of the concrete are improved at the same time, and the service life of the concrete is prolonged.
本申请涉及混凝土领域，具体公开了一种高强度高延性混凝土以及制备方法。一种高强度高延性混凝土按重量份数，包括有以下组分：水泥190～225份，高炉矿渣75～110份，硅灰16～30份，细骨料105～120份，改性聚乙烯醇纤维7～10，钢纤维4.7～6，水84～116份，减水剂3～6份；所述改性聚乙烯醇纤维的原料，包括重量比为1：（0.4～0.7）的微孔聚乙烯醇纤维、水性聚氨酯乳液、卡拉胶；其制备方法为：制备微孔聚乙烯醇纤维、制备改性聚乙烯醇纤维、制备干混料、制备湿混料、预拌合、拌合、浇筑及养护。本申请的方法具有同时提高混凝土的强度和延性，提升混凝土的服役寿命的优点。
High-strength and high-ductility concrete and preparation method thereof
一种高强度高延性混凝土以及制备方法
YU JIANSONG (author) / XU GUANGSEN (author) / ZOU CHENGZHONG (author)
2022-12-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
D06M
Behandeln von Fasern, Fäden, Garnen, Textilgut, Federn oder aus solchen Materialien hergestelltem Fasergut, soweit nicht anderweitig in Klasse D06 vorgesehen
,
TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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