Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses siliceous stone powder concrete and a preparation method thereof. The siliceous stone powder concrete comprises the following components in parts by mass: 77 to 97 parts of fly ash, 708 to 748 parts of sand, 1072 to 1112 parts of stone, 138 to 178 parts of water, 240 to 280 parts of cement, 5.0 to 5.4 parts of sodium gluconate, 1.7 to 2.1 parts of sodium hexametaphosphate, 1.7 to 2.1 parts of sodium hexametaphosphate, 1.1 to 1.4 parts of polyacrylic acid, and 1.2 to 1.6 parts of hydrolytic polymaleic anhydride, wherein the sand comprises siliceous stone powder and river sand, and the weight ratio of the siliceous stone powder to the river sand is (0.43-0.66):1. The product provided by the invention has the advantage of improving the cracking resistance of concrete.
本发明公开了一种硅质石粉混凝土及其制备方法。硅质石粉混凝土包括以下质量份数的组分：粉煤灰：77‑97份；砂：708‑748份；石:1072‑1112份；水：138‑178份；水泥：240‑280份；葡萄糖酸钠：5.0‑5.4份；六偏磷酸钠：1.7‑2.1份；六偏磷酸钠：1.7‑2.1份；聚丙烯酸：1.1‑1.4份；水解聚马来酸酐：1.2‑1.6份；其中，所述砂包括硅质石粉以及河砂，硅质石粉与河砂的重量比为(0.43‑0.66)：1。本申请的产品具有提高混凝土的抗开裂性能优点。
The invention discloses siliceous stone powder concrete and a preparation method thereof. The siliceous stone powder concrete comprises the following components in parts by mass: 77 to 97 parts of fly ash, 708 to 748 parts of sand, 1072 to 1112 parts of stone, 138 to 178 parts of water, 240 to 280 parts of cement, 5.0 to 5.4 parts of sodium gluconate, 1.7 to 2.1 parts of sodium hexametaphosphate, 1.7 to 2.1 parts of sodium hexametaphosphate, 1.1 to 1.4 parts of polyacrylic acid, and 1.2 to 1.6 parts of hydrolytic polymaleic anhydride, wherein the sand comprises siliceous stone powder and river sand, and the weight ratio of the siliceous stone powder to the river sand is (0.43-0.66):1. The product provided by the invention has the advantage of improving the cracking resistance of concrete.
本发明公开了一种硅质石粉混凝土及其制备方法。硅质石粉混凝土包括以下质量份数的组分：粉煤灰：77‑97份；砂：708‑748份；石:1072‑1112份；水：138‑178份；水泥：240‑280份；葡萄糖酸钠：5.0‑5.4份；六偏磷酸钠：1.7‑2.1份；六偏磷酸钠：1.7‑2.1份；聚丙烯酸：1.1‑1.4份；水解聚马来酸酐：1.2‑1.6份；其中，所述砂包括硅质石粉以及河砂，硅质石粉与河砂的重量比为(0.43‑0.66)：1。本申请的产品具有提高混凝土的抗开裂性能优点。
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