Optimization of Concrete Containing Polyethylene Terephthalate Powder and Rice Husk Ash Using Response Surface Methodology

Table 7

Validation of the response surface model (9.45% RHA and 5.76% PET).

Response	Predicted result	Experimental result
Slump (mm)	51.26	50.0
Compressive strength (N/mm^2)	19.54	20.32
Flexural strength (N/mm^2)	2.128	2.05