Table 8. Summary of R 2 values of... | Emerald Publishing

Table 8.

Summary of R² values of interpretation trend lines of $ψ_{e}$ versus $ψ_{c c}$ from each method

Sand/methods	*Plewes et al. (*1992)	Cavity expansion Shuttle and Jefferies (1998) & Ghafghazi and Shuttle (2008)	Simplified equations of Shuttle and Jefferies (1998)	Robertson (2010)
Da Nang	0.94	0.94	0.94	0.70
Erksak	0.92	0.86	0.85	0.53
Hilton Mines	0.91	0.89	0.88	0.63
Hokksund	0.66	0.58	0.55	0.65
Ottawa	0.95	0.96	0.96	0.86
Syncrude oil tailings	0.86	0.85	0.83	0.72
Ticino 4	0.79	0.82	0.79	0.83
Ticino 9	0.88	0.87	0.89	0.80
Toyoura 160	0.87	0.88	0.89	0.89
Average	0.86	0.84	0.85	0.73

Sand/methods	Plewes et al. (1992)	Cavity expansion Shuttle and Jefferies (1998) & Ghafghazi and Shuttle (2008)	Simplified equations of Shuttle and Jefferies (1998)	Robertson (2010)
Da Nang	0.94	0.94	0.94	0.70
Erksak	0.92	0.86	0.85	0.53
Hilton Mines	0.91	0.89	0.88	0.63
Hokksund	0.66	0.58	0.55	0.65
Ottawa	0.95	0.96	0.96	0.86
Syncrude oil tailings	0.86	0.85	0.83	0.72
Ticino 4	0.79	0.82	0.79	0.83
Ticino 9	0.88	0.87	0.89	0.80
Toyoura 160	0.87	0.88	0.89	0.89
Average	0.86	0.84	0.85	0.73