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

Table 1

Mix proportion for experimental run.

Run no	RHA (%)	PETp (%)	PLC (kg/m^3)	RHA (kg/m^3)	PET (kg/m^3)	Fine aggregate (kg/m^3)	Coarse aggregate (kg/m^3)	Water (kg/m^3)	Superplasticizer (kg/m^3)
1	0	0	750	0	0	990	660	188	12.75
2	7.5	0	694	56	0	990	660	188	12.75
3	15	0	638	113	0	990	660	188	12.75
4	0	7.5	694	0	56	990	660	188	12.75
5	7.5	7.5	638	56	56	990	660	188	12.75
6	15	7.5	581	113	56	990	660	188	12.75
7	0	15	638	0	113	990	660	188	12.75
8	7.5	15	581	56	113	990	660	188	12.75
9	15	15	525	113	113	990	660	188	12.75