Table 2.

Experimental design matrix for the factorial design value for the PET concrete.

Std	Run	Factor 1	Factor 2	Factor 3	Factor 4	Factor 5	Factor 6
		A: Fine aggregates	B: Coarse aggregates	C: % Of PET	D: Days	E: Water	F: Cement
		Kg	Kg	%	Days		Kg
	1	9.875	18.330	0	28	3.276	6.427
	2	9.875	18.242	10	28	3.276	6.427
	3	9.298	17.254	0	3	3.276	6.427
	4	9.298	17.254	15	28	3.276	6.427
	5	9.643	17.254	15	3	3.276	6.427
	6	9.565	18.330	0	7	3.276	6.427
	7	9.553	17.254	0	28	3.276	6.427
	8	9.383	17.804	5	3	3.276	6.427
	9	9.875	17.552	5	7	3.276	6.427
	10	9.298	18.330	15	3	3.276	6.427
	11	9.298	17.287	15	7	3.276	6.427
	12	9.569	17.789	5	28	3.276	6.427
	13	9.565	18.330	10	7	3.276	6.427
	14	9.298	18.330	0	28	3.276	6.427
	15	9.875	17.254	15	28	3.276	6.427
	16	9.875	18.330	10	3	3.276	6.427
	17	9.298	17.254	0	3	3.276	6.427
	18	9.875	17.254	5	14	3.276	6.427
	19	9.298	18.330	10	14	3.276	6.427
	20	9.875	17.552	0	3	3.276	6.427
	21	9.875	17.000	15	14	3.276	6.427
	22	9.298	17.657	0	14	3.276	6.427
	23	9.554	18.330	15	28	3.276	6.427
	24	9.298	18.330	15	3	3.276	6.427
	25	9.875	18.330	10	3	3.276	6.427