Modification of Waste Aggregate PET for Improving the Concrete Properties

Table 4

Post Hoc Tukey HSD test showing the statistical significance (p(sig)) between the three groups.

Category 1	Category 2	M10		M20		M30
		7-day	28-day	7-day	28-day	7-day	28-day
H2O	H2O2	0.402	0.537	0.001	0.249	0.024	0.020
	Ca(ClO)2	0.008	0.002	0.000	0.000	0.001	0.000
H2O2	H2O	0.402	0.537	0.001	0.249	0.024	0.020
	Ca(ClO)2	0.113	0.020	0.000	0.000	0.012	0.004
Ca(ClO)2	H2O	0.008	0.002	0.000	0.000	0.001	0.000
	H2O2	0.113	0.020	0.000	0.000	0.012	0.004

The mean difference is significant at the 0.05 level.