Strength and yield criteria of frozen soil
摘要
The commonly used linear yield criteria of frozen soil, such as Mohr-Comlomb, von Mises-Botkin or Drucker-Prager Criteria, have shown limitation. Under combined stress state, as confining pressure is increased, the strength increases to its maximum value and then decreases with the continuous increase in confining pressure. The failure surface in the principal stress space forms a paraboloid whose shape depends upon cohesion and friction angle, and changes with temperature. Based on test data, a parabolic yield criteria and relevant parameters are given. At low stress levels, the criteria can transform into linear criteria.
引用本文（GB/T 7714）
Changqing Zhang. Strength and yield criteria of frozen soil[J]. 未知来源, 1995.
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