Effect of Repeated Wetting-Drying-Freezing-Thawing Cycles on the Mechanic Properties and Pore Characteristics of Compacted Loess

Table 4

Results of the direct shear test for compacted loess specimens.

Number of cycles	Shear strength (kPa)				Cohesion (kPa)	Internal friction angle (°)
	50 kPa	100 kPa	150 kPa	200 kPa
0	83.05	123.05	155.30	200.50	44.3	37.6
1	72.89	116.43	158.65	187.31	37.5	36.3
3	68.62	95.60	130.62	177.77	27.5	36.0
5	68.71	92.85	148.44	172.86	29.2	37.7