Mechanical Properties of Na₂CO₃-Activated High-Volume GGBFS Cement Paste

Table 2

Mixture proportions in the test pastes.

Sample ID	OPC (wt.%)	GGBFS (wt.%)	Na2CO3 content (wt.% of OPC + GGBFS)
R5	50	50	0, 1, 2, 3, 4, and 5
R6	40	60	0, 1, 2, 3, 4, and 5
R7	30	70	0, 1, 2, 3, 4, and 5
R8	20	80	0, 1, 2, 3, 4, and 5
R9	10	90	0, 1, 2, 3, 4, and 5