Effect of Mix Parameters on the Strength Performance of Waste Plastics Incorporated Concrete Mixes

Table 6

Levels and factors for an L-9 orthogonal array.

Levels	Factors
	Binder content; B (kg/m^3)	W/B ratio; W	Polymer replacement; R (%)
Level 1	B1 = 600	W1 = 0.32	R1 = 10
Level 2	B2 = 630	W2 = 0.34	R2 = 20
Level 3	B3 = 660	W3 = 0.36	R3 = 30