Metaheuristic Approach to Resolve the Real-World Problem of Binder in Concrete by Synthesizing Natural Iron-Rich Binder System Using Chemical Activation

Table 3

Parameters and levels of L9 (3^4) orthogonal array.

	Parameters
Levels	Binder material	Percentage of G or F or A	Activator solution	Molarity of NaOH or KOH or H3PO4
1	LaG	10	N	5
2	LaF	20	K	8
3	LaA	30	P	10