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

Table 4

The statistics value of angle α and modified K (undisturbed loess).

Sample number	qu (kPa)	C (kPa)	Pmax (N)	φ (°)	α (°)	2α + φ	Modified K
S4	81.60	37.71	41.75	12.01	18.36	48.73	1.14
S5	96.10	50.14	52.93	20.57	17.33	55.23	1.44
S6	148.16	49.75	77.28	21.25	16.27	53.79	1.37
S7	—	—	137.79	—	—	—	—
S8	492.12	218.77	398.32	22.10	11.79	45.68	1.02
S9	1961.00	458.94	1093.85	40.93	11.94	64.81	2.13
S10	2723.24	695.97	1661.66	36.16	12.20	60.56	1.77
	917.04	251.88	494.80	25.50	14.65	54.80	1.48
s	1139.81	271.52	636.66	6.26	1.73	4.12	0.24
	1.24	1.08	1.29	0.25	0.12	0.08	0.16