Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Nano-modified ultrahigh-toughness concrete and preparation method thereof
The invention provides nano-modified ultrahigh-toughness concrete and a preparation method thereof, and the nano-modified ultrahigh-toughness concrete is prepared from the following raw materials in parts by mass: 100-140 parts of fine aggregate, 8-18 parts of water and 2-4 parts of a water reducing agent, the cementing material comprises the following components in parts by weight: 10-20 parts of silica fume, 10-30 parts of superfine fly ash aluminosilicate fine matter and 50-80 parts of cement; wherein the water-binder ratio is 0.16; the volume mixing amount of the steel fibers is 1.2-2.5%, and the mixing amount of the nano silicon dioxide is 0.5-2%. According to the invention, the components of the ternary gel system and the doping amount of nano silicon dioxide are limited; the working performance and the mechanical performance of the ultrahigh-toughness concrete are greatly improved; the preparation method of the nano-modified ultrahigh-toughness concrete has the characteristics of low cost, convenience in operation, wide application scene and suitability for industrial production.
本发明提供了一种纳米改性超高韧性混凝土及其制备方法，提供了一种纳米改性超高韧性混凝土，按质量份数计，包括以下制备原料：细骨料100～140份，水8～18份，减水剂2～4份；胶凝材料：硅灰10～20份，超细粉煤灰硅铝酸盐精细物10～30份，水泥50～80份；其中，水胶比为0.16；以及钢纤维体积掺量1.2～2.5％，纳米二氧化硅的掺量为0.5～2％。本发明通过对三元胶凝体系的成分以及纳米二氧化硅的掺量进行限定；获得工作性能和力学性能均得到了大幅度提升的超高韧性混凝土；本发明的纳米改性超高韧性混凝土制备方法具有成本低、操作便捷、适用场景广，适合工业化生产的特点。
Nano-modified ultrahigh-toughness concrete and preparation method thereof
The invention provides nano-modified ultrahigh-toughness concrete and a preparation method thereof, and the nano-modified ultrahigh-toughness concrete is prepared from the following raw materials in parts by mass: 100-140 parts of fine aggregate, 8-18 parts of water and 2-4 parts of a water reducing agent, the cementing material comprises the following components in parts by weight: 10-20 parts of silica fume, 10-30 parts of superfine fly ash aluminosilicate fine matter and 50-80 parts of cement; wherein the water-binder ratio is 0.16; the volume mixing amount of the steel fibers is 1.2-2.5%, and the mixing amount of the nano silicon dioxide is 0.5-2%. According to the invention, the components of the ternary gel system and the doping amount of nano silicon dioxide are limited; the working performance and the mechanical performance of the ultrahigh-toughness concrete are greatly improved; the preparation method of the nano-modified ultrahigh-toughness concrete has the characteristics of low cost, convenience in operation, wide application scene and suitability for industrial production.
本发明提供了一种纳米改性超高韧性混凝土及其制备方法，提供了一种纳米改性超高韧性混凝土，按质量份数计，包括以下制备原料：细骨料100～140份，水8～18份，减水剂2～4份；胶凝材料：硅灰10～20份，超细粉煤灰硅铝酸盐精细物10～30份，水泥50～80份；其中，水胶比为0.16；以及钢纤维体积掺量1.2～2.5％，纳米二氧化硅的掺量为0.5～2％。本发明通过对三元胶凝体系的成分以及纳米二氧化硅的掺量进行限定；获得工作性能和力学性能均得到了大幅度提升的超高韧性混凝土；本发明的纳米改性超高韧性混凝土制备方法具有成本低、操作便捷、适用场景广，适合工业化生产的特点。
Nano-modified ultrahigh-toughness concrete and preparation method thereof
纳米改性超高韧性混凝土及其制备方法
HUANG ZENGCAI (Autor:in) / GONG XUEQIANG (Autor:in) / PANG SHUAI (Autor:in) / YIN SHENGGUANG (Autor:in) / CHENG XINGWANG (Autor:in) / CHOI SUNG-AE (Autor:in)
10.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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