Optimization of Arabian-Shield-Based Natural Pozzolan and Silica Fume for High-Performance Concrete Using Statistical Design of Experiments

Table 2

Cement proportions of the concrete mixtures.

Batch	Mixture no.	Proportion of component
		PC	SF	NP
I (0.25)	1	1.00	0.00	0.00
	2	0.92	0.08	0.00
	3	0.88	0.12	0.00
	4	0.85	0.00	0.15
	5	0.80	0.00	0.20
	6	0.75	0.00	0.25
	7	0.77	0.08	0.15
	8	0.73	0.12	0.15
	9	0.72	0.08	0.20
	10	0.68	0.12	0.20
	11	0.67	0.08	0.25
	12	0.63	0.12	0.25
II (0.40)	13	1.00	0.00	0.00
	14	0.92	0.08	0.00
	15	0.88	0.12	0.00
	16	0.85	0.00	0.15
	17	0.80	0.00	0.20
	18	0.75	0.00	0.25
	19	0.77	0.08	0.15
	20	0.73	0.12	0.15
	21	0.72	0.08	0.20
	22	0.68	0.12	0.20
	23	0.67	0.08	0.25
	24	0.63	0.12	0.25