石灰激发低碳胶凝材料的水化特性与力学性能

吴萌,张云升,刘志勇,刘诚,佘伟,王立国,马瑞

Hydration characteristics and mechanical performance of lime and gypsum-activated low carbon cementitious materials

Meng WU,Yunsheng ZHANG,Zhiyong LIU,Cheng LIU,Wei SHE,Liguo WANG,Rui MA

表 1 原材料化学组成

Tab.1 Chemical compositions of raw materials

原材料 wB/% SiO2 CaO Al2O3 Fe2O3 MgO SO3 K2O Na2O LOI 硅酸盐水泥 21.60 64.38 4.38 3.42 3.43 2.23 — 0.51 2.54 粉煤灰 51.53 4.40 30.41 6.90 0.91 0.91 1.37 0.62 1.52 矿渣粉 32.72 37.12 15.51 0.24 5.50 2.61 0.30 0.40 0.36 石灰 0.47 97.30 0.41 0.23 1.00 0.10 0.32 — 26.75 石膏 0.30 46.89 0.14 0.07 0.20 52.09 — 0.11 7.01