Minimum Water Requirement Method for High-Performance Sulphoaluminate Cement-Based Materials

Table 4

Compressive strength, standard consistency, and minimal water requirement.

Dosage (%)
Test number	Cement	Fly ash	Silica fume	Steel slag	Water binder ratio	Water reducing agent	Standard consistence	Minimal water requirement	28 d compress strength (MPa)
A1	86.5	4	5	4.5	0.27	0.6	0.312	0.243	85.1
A2	77	4	10	9	0.27	0.6	0.36	0.263	85.2
A3	67.5	4	15	13.5	0.27	0.6	0.468	0.315	59.6
A4	80	6	5	9	0.27	0.6	0.358	0.266	88.4
A5	70.5	6	10	13.5	0.27	0.6	0.407	0.291	79.4
A6	74.5	6	15	4.5	0.27	0.6	0.363	0.268	71.5
A7	67.5	8	5	13.5	0.27	0.6	0.392	0.277	65.1
A8	77.5	8	10	4.5	0.27	0.6	0.352	0.251	71.4
A9	68	8	15	9	0.27	0.6	0.420	0.280	66.0