Compressive Strength and Microstructure Properties of Alkali-Activated Systems with Blast Furnace Slag, Desulfurization Slag, and Gypsum

Table 2

Sieve analysis of the sand.

Square mesh size (mm)	Cumulative sieve residue (%)	Criteria (KS L ISO 679)
2	0	0
1.6	8.2	2–12
1	32.7	28–38
0.5	68.4	62–72
0.16	89.7	82–92
0.08	98.8	98–100