Study of the Stability of a Soil-Rock Road Cutting Slope in a Permafrost Region of Hulunbuir

Table 1

Strength values of the representative sample after the different freeze-thaw cycles.

Number of freeze-thaw cycles (N)	Compression modulus E (GPa)	Maximum force (kN)	Compression strength (GPa)
N = 0	6.54	108.69	78.93
N = 40	4.89	89.43	60.91
N = 50	3.73	72.85	55.68
N = 60	3.28	70.14	50.35
N = 70	3.09	59.86	43.46
N = 80	2.71	46.80	31.22
N = 90	1.87	30.76	25.69
N = 110	0.59	14.21	14.98
N = 130	0.34	11.53	6.84
N = 150	0.05	1.40	0.95