| 摘要 |
PROBLEM TO BE SOLVED: To obtain a hydraulic cement composition having excellent fluidity, comprising an ecocement. SOLUTION: In a baked material comprising one or more of an incinerated ash of municipal refuse and a burned ash of sewage sludge, a hydraulic composition composed of the baked material containing 10-40 wt.% of one or more of calcium chloroaluminate, calcium fluoroaluminate and calcium aluminate and calcium silicate and a gypsum is mixed with limestone powder to give the objective hydraulic cement composition. |
