Dynamic Shear Properties of Recycled Waste Steel Slag Used as a Geo-Backfill Material

Table 4

Fitting results of test parameters.

Sample number	Relative density	Confining pressure (kPa)	Gmax (MPa)	λmax (%)	γr	R^2
GZ1	30%	100	108	0.247	1.39 × 10^−4	0.98
		200	176	0.249	1.67 × 10^−4	0.98
		300	235	0.251	1.84 × 10^−4	0.93
GZ2	50%	100	125	0.229	1.47 × 10^−4	0.98
		200	187	0.186	1.72 × 10^−4	0.97
		300	246	0.223	1.94 × 10^−4	0.90
GZ3	70%	100	162	0.214	1.53 × 10^−4	0.97
		200	219	0.204	1.89 × 10^−4	0.96
		300	280	0.200	1.96 × 10^−4	0.95