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A Preliminary Analysis of Main Factors Affecting Stress-Strain Behaviors of Frozen Soil with High Water Content

A series of uniaxial compression tests on frozen soil with weight water content of about 40~150% were carried out at -2.0°C--0.2°C. The effect of soil type, size of ice particle, temperature, water content and strain rate on stress-strain behaviors is analyzed according to the experimental data. The results show that the stress-strain behavior of frozen soil with high temperature and high water content can be sorted into two classes including strain softening and strain hardening, and it changes with various soil types, temperatures, water contents, strain rates, and sizes of ice particle.