Dynamic Parameters and Hysteresis Loop Characteristics of Frozen Silt Clay under Different Cyclic Stress Paths

Table 5

Fitting parameters and R² of damping ratio under various dynamic stress paths.

Testing condition						d	R^2
= 1	A = 0.13	I	0.517	−0.104	−0.033	0.0076	0.995
= 1	A = 0.27		0.608	−0.342	0.073	−0.0055	0.998
= 1	A = 0.39		0.644	−0.409	0.105	−0.0099	0.997
= ∞	A = 0.13		0.678	−0.195	0.012	0.0059	0.994
= ∞	A = 0.27		0.741	−0.419	0.099	−0.0092	0.998
= ∞	A = 0.39		0.716	−0.430	0.110	−0.0106	0.996
= −1	A = 0.13		0.916	−0.161	−0.033	0.0076	0.989
= −1	A = 0.27		0.961	−0.438	0.102	−0.0098	0.989
= −1	A = 0.39		0.836	−0.327	0.067	−0.0059	0.996
II			0.643	−0.352	0.111	−0.0106	0.971
			0.737	−0.493	0.159	−0.0167	0.982
			0.743	−0.588	0.204	−0.0235	0.981
			0.778	−0.645	0.222	−0.0258	0.992
			0.639	−0.607	0.216	−0.0258	0.985
			0.207	−0.250	0.069	−0.0062	0.918
	III		0.475	−0.193	0.026	0	0.993
			0.525	−0.252	0.046	−0.003	0.988
			0.527	−0.227	0.034	−0.0017	0.995
			0.534	−0.223	0.034	−0.002	0.993
			0.734	−0.109	0.043	0.0093	0.967
			0.949	−0.108	0.027	0.0044	0.987