Unloading Creep Characteristics of Frozen Clay Subjected to Long-Term High-Pressure K₀ Consolidation before Freezing

Table 5

Instantaneous and long-term strengths of the frozen clay.

Specimen	(%)	K0	σf (MPa)	σf∞ (MPa)	σ (%)
8 MPa-3 d	29.57	0.701	5.55	3.81	31.35
8 MPa-7 d	27.01	0.657	5.93	4.28	27.82
8 MPa-14 d	25.90	0.593	6.08	4.48	26.31
10 MPa-3 d	26.7	0.699	5.68	3.91	31.28
10 MPa-7 d	25.41	0.661	6.19	4.49	27.46
10 MPa-14 d	24.27	0.609	6.37	4.74	25.70
10 MPa-28 d	23.77	0.590	6.49	5.05	20.49