Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-performance NCF fiber cement-based composite material and preparation method thereof
The invention discloses a high-performance NCF fiber cement-based composite material and a preparation method thereof, the high-performance NCF fiber cement-based composite material comprises the following components: Portland cement, standard sand, silica fume, gravel, a polycarboxylic acid type water reducing agent, water and nano cellulose, the Portland cement and the silica fume form a cementing material, and the mixing ratio of the components is designed as follows: 315 parts by mass of cement, 1350 parts by mass of standard sand, 1300 parts by mass of gravel, 1300 parts by mass of a polycarboxylic acid type water reducing agent, and 1300 parts by mass of nano cellulose. The concrete is prepared from the following components in parts by weight: 135 parts of silica fume, 1.5 parts of a water reducing agent, 225 parts of water and 1.35 parts of nano cellulose. The high-performance NCF fiber cement-based composite material prepared according to the mixing ratio provided by the invention has the advantages of higher compactness, compact microstructure bridging and good physical and mechanical properties, and meanwhile, the 28d compressive strength of the cement-based composite material is greater than 62MPa, the breaking strength is greater than 11MPa, and the 28d compressive strength and the breaking strength of the cement-based composite material are both higher than those of common concrete.
本发明公开了一种高性能NCF纤维水泥基复合材料及其制备方法，包括以下组成成分：硅酸盐水泥，标准砂，硅灰，碎石，聚羧酸型减水剂，水，纳米纤维素，所述硅酸盐水泥和硅灰构成胶凝材料，各组分的配合比设计为：按质量份数：水泥：315份，标准砂：1350份，硅灰：135份，减水剂：1.5份，水：225份，纳米纤维素：1.35份。本发明提供的配合比制作的高性能NCF纤维水泥基复合材料具有密实度较高、微观结构桥接紧密、物理力学性能良好的优点，同时本发明制作的水泥基复合材料28d抗压强度大于62MPa，抗折强度大于11MPa，都要高于普通混凝土。
High-performance NCF fiber cement-based composite material and preparation method thereof
The invention discloses a high-performance NCF fiber cement-based composite material and a preparation method thereof, the high-performance NCF fiber cement-based composite material comprises the following components: Portland cement, standard sand, silica fume, gravel, a polycarboxylic acid type water reducing agent, water and nano cellulose, the Portland cement and the silica fume form a cementing material, and the mixing ratio of the components is designed as follows: 315 parts by mass of cement, 1350 parts by mass of standard sand, 1300 parts by mass of gravel, 1300 parts by mass of a polycarboxylic acid type water reducing agent, and 1300 parts by mass of nano cellulose. The concrete is prepared from the following components in parts by weight: 135 parts of silica fume, 1.5 parts of a water reducing agent, 225 parts of water and 1.35 parts of nano cellulose. The high-performance NCF fiber cement-based composite material prepared according to the mixing ratio provided by the invention has the advantages of higher compactness, compact microstructure bridging and good physical and mechanical properties, and meanwhile, the 28d compressive strength of the cement-based composite material is greater than 62MPa, the breaking strength is greater than 11MPa, and the 28d compressive strength and the breaking strength of the cement-based composite material are both higher than those of common concrete.
本发明公开了一种高性能NCF纤维水泥基复合材料及其制备方法，包括以下组成成分：硅酸盐水泥，标准砂，硅灰，碎石，聚羧酸型减水剂，水，纳米纤维素，所述硅酸盐水泥和硅灰构成胶凝材料，各组分的配合比设计为：按质量份数：水泥：315份，标准砂：1350份，硅灰：135份，减水剂：1.5份，水：225份，纳米纤维素：1.35份。本发明提供的配合比制作的高性能NCF纤维水泥基复合材料具有密实度较高、微观结构桥接紧密、物理力学性能良好的优点，同时本发明制作的水泥基复合材料28d抗压强度大于62MPa，抗折强度大于11MPa，都要高于普通混凝土。
High-performance NCF fiber cement-based composite material and preparation method thereof
一种高性能NCF纤维水泥基复合材料及其制备方法
LI CHANGHUI (Autor:in) / YANG FANG (Autor:in) / ZHANG YIRAN (Autor:in) / XU HUI (Autor:in) / ZHANG JUNHAO (Autor:in) / XIAO ZHIHAN (Autor:in) / LU YAOJIA (Autor:in) / YU KAIREN (Autor:in) / QI LIN (Autor:in) / HUANG XIN (Autor:in)
30.05.2023
Patent
Elektronische Ressource
Chinesisch
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