Towards Sustainable Self-Compacting Concrete: Effect of Recycled Slag Coarse Aggregate on the Fresh Properties of SCC

Table 5

VSI of the various mixes.

Ratio (%)		0	25	50	75	100
VSI	Operator 1	0.33	1.	1.5	1.83	2.5
	Operator 2	0.17	0.67	1.17	2.00	2.33
	Average	0.25	0.84	1.34	1.92	2.41
	Rating according to ASTM	HS to S	HS to S	S to U	S to U	U to HU