Study on the Mechanical Properties of Chlorine Saline Soil under the Interaction of Multiple Factors

Table 5

Chlorine saline soil test conditions and the fitting values of backbone curve parameters.

Test group	σ3 (MPa)	f (Hz)	ω (%)	a	b	c	σdmax (MPa)	R^2
BYZ1	0.2	1.0	5.2	20786.65	1.65	54.07	0.38	0.997
	0.3			18695.38	2.97	25.78	0.73	0.997
	0.4			34231.06	3.75	35.95	0.95	0.992
BYZ2	0.3	0.5	5.2	30981.62	3.38	143.98	0.22	0.977
		1.0		18695.38	2.97	25.78	0.73	0.998
		2.0		28604.87	2.57	39.48	0.72	0.994
BYZ3	0.3	1.0	3.2	1441.33	4.57	2.41	0.60	0.993
			5.2	18695.38	2.97	25.78	0.73	0.998
			7.2	12695.06	4.21	19.13	0.67	0.997