Evaluation of Strengths from Cement Hydration and Slag Reaction of Mortars Containing High Volume of Ground River Sand and GGBF Slag

Table 5

Compressive strengths of mortars containing ground river sand (GRS).

Mixtures	Flow (%)	Compressive strength (MPa)
		3 days	7 days	28 days	90 days	180 days
PC	107	30.0	41.3	52.1	54.7	55.0
LGRS40	106	10.7	14.8	18.7	19.6	19.9
LGRS50	105	9.1	12.5	15.7	16.7	17.0
LGRS60	105	6.6	9.0	11.8	12.6	13.0
MGRS40	111	11.5	16.0	20.2	21.2	21.8
MGRS50	105	10.7	14.7	17.9	19.3	19.8
MGRS60	113	7.2	9.7	12.0	12.7	13.2
SGRS40	106	11.7	17.0	21.1	22.4	22.8
SGRS50	115	11.0	15.4	19.5	20.7	20.9
SGRS60	111	8.2	11.2	14.1	15.0	15.4