The Tensile Strength of Loess in Northwest China by Unconfined Penetration Test and the Distinct Element Simulation

Table 2

Physical properties of samples.

Sample type	Sample position	Code	W (%)	ρd (g·cm^-3)	e	Sr (%)	PI
Remolded loess	Artificial slope	S1	13	1.70	0.61	67.59	13.95
			15			76.60
			17			85.61
			19			58.93
	Wangjiagou tunnel	S2	11	1.70	0.61	49.56	15.56
			12			54.07
			13			58.58
			14			63.08
			15			67.59
			16			72.09
			17			76.60
			18			81.10
			20			90.12
			13			58.93
	Beiershilipu tunnel	S3	15	1.70	0.60	68.00	13.51
			17			77.07
Undisturbed loess	Weijiazui tunnel	S4	25.64	1.55	0.75	92.39	13.12
	Wangjiagou tunnel (H)	S5	23.03	1.65	0.64	95.93	15.56
	Wangjiagou tunnel (V)	S6
	Beiershilipu tunnel	S7	23.02	1.66	0.64	97.35	13.51
	Xinbaotashan tunnel	S8	19.64	1.68	0.63	85.29	15.95
	Xujiachuan tunnel (H)	S9	14.77	1.92	0.40	1.02	17.76
	Xujiachuan tunnel (V)	S10

H: horizontal direction; V: vertical direction.