Silicic acid ratio of clinker and gypsum reaction ratio of self-stressing aluminosulphate cement

摘要

The special appalication of clinker of self-stressing alumino-sulphate cement (SSASC) was studied in the present paper. Silicic acid ratio of clinker n was determined by calculating the molar ratio m of C_2S to C_4A_3S, the value of n was 0.20 approx 0.50. To establish a quantative relation between C_2S, C_4A_3S and CSH_2 (CaSO_4 4H_2O)_ respectively for cement proportioning design so as to predict and control the hydration and expansion of cement, gypsum reaction ratio k was put forward and its value was 0.9-1.0.