Investigation on the Influences of Curing Time on the Cracking Resistance of Semiflexible Pavement Mixture

Table 5

Pearson’s correlation analysis results of grouting materials’ strength data.

Data group	Pearson’s correlation coefficient
	Flexural strength (MPa)	Compressive strength (MPa)
Group 1 (0–14 curing days)	0.72	0.68
Group 2 (3–14 curing days)	0.82	0.54
Appendix
Very strong correlation	>0.8, <−0.8
Strong correlation	0.6∼0.8, −0.6∼−0.8
Moderate correlation	0.4–0.6, −0.4∼−0.6
Weak correlation	0.2–0.4, −0.2∼−0.4
Very weak correlation	<0.2, >−0.2