Utilization of Metakaolin and Calcite: Working Reversely in Workability Aspect—As Mineral Admixture in Self-Compacting Concrete

Table 6

Fresh concrete workability and consistency testing for SCC.

Mix code	T50 flow time (2–5 s)	Slump flow diameter (65–80 cm)	V-funnel flow time (6–12 s)	L-box (H2/H1: 0.8–1.0)	SP (%)
Control	3.1	75	8.2	0.84	1.7
MK10	3.6	74	9.6	0.81	2.0
MK15	4.1	71	10.2	0.94	2.3
MK20	5.0	70	11.3	0.84	2.6
C10	3.2	70	7.2	0.82	1.0
C15	2.9	71	9.1	0.83	0.8
C20	2.1	72	6.5	0.84	0.6
MK10-C10	3.4	72	8.2	0.82	1.5
MK10-C15	3.2	71	9.1	0.80	1.3
MK10-C20	4.2	67	9.3	0.89	1.1
MK10-C25	3.3	66	7.4	0.89	1.1
MK15-C10	4.1	73	9.4	0.82	1.9
MK15-C15	4.2	72	8.7	0.85	1.8
MK15-C20	3.5	69	8.4	0.89	1.7
MK15-C25	4.3	69	7.6	0.85	1.6
MK20-C10	4.4	69	10.3	0.80	2.4
MK20-C15	3.3	70	7.5	0.86	2.3
MK20-C20	4.5	72	8.3	0.89	2.2
MK20-C25	4.6	71	8.2	0.89	2.0