Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-strength concrete cementitious composition and high-strength concrete thereof
The invention discloses a high-strength concrete cementitious composition and high-strength concrete thereof. The cementitious composition is formed by mixing water with a cementitious material, wherein the weight ratio of water to the cementitious material is 0.23-0.25; the cementitious material is formed by mixing the following materials in parts by weight: 52.5 parts of common silicate, 445-525 parts of cement, 0-125 parts of coal ash and 30-65 parts of silica fume; the high-strength concrete is formed by mixing the following materials in parts by weight: 720-805 parts of said cementitious composition, 565-660 parts of manufactured sand, 910-1030 parts of rocklets, 4.7-10.0 parts of a super-plasticizing enhancer and 0-1.3 parts of a retarder. According to the high-strength concrete cementitious composition and the high-strength concrete thereof disclosed by the invention, silicate cement, high-quality silicon powder, high-quality coal ash, the high-performance super-plasticizing enhancer and the high-quality retarder are used, coarse and fine aggregates and water are properly cooled, and the prepared concrete has a good construction performance, a higher compressive strength, a low fluidity loss, a higher strength, and a better erosion and abrasion resistance.
High-strength concrete cementitious composition and high-strength concrete thereof
The invention discloses a high-strength concrete cementitious composition and high-strength concrete thereof. The cementitious composition is formed by mixing water with a cementitious material, wherein the weight ratio of water to the cementitious material is 0.23-0.25; the cementitious material is formed by mixing the following materials in parts by weight: 52.5 parts of common silicate, 445-525 parts of cement, 0-125 parts of coal ash and 30-65 parts of silica fume; the high-strength concrete is formed by mixing the following materials in parts by weight: 720-805 parts of said cementitious composition, 565-660 parts of manufactured sand, 910-1030 parts of rocklets, 4.7-10.0 parts of a super-plasticizing enhancer and 0-1.3 parts of a retarder. According to the high-strength concrete cementitious composition and the high-strength concrete thereof disclosed by the invention, silicate cement, high-quality silicon powder, high-quality coal ash, the high-performance super-plasticizing enhancer and the high-quality retarder are used, coarse and fine aggregates and water are properly cooled, and the prepared concrete has a good construction performance, a higher compressive strength, a low fluidity loss, a higher strength, and a better erosion and abrasion resistance.
High-strength concrete cementitious composition and high-strength concrete thereof
YAN XIAOLIANG (Autor:in) / ZHONG BO (Autor:in) / GAN LIFEN (Autor:in) / WU XINGKUI (Autor:in) / WU YONG (Autor:in) / YANG SEN (Autor:in) / XIANG GUOJIAN (Autor:in) / HU JIANLI (Autor:in)
01.07.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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