Figures of the Article
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Yield curves for frozen soils in different stress spaces
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Evolution of potential strength Mf
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Improved Hvorslev surface
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Evolution of yield surface under triaxial compression stress path
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Evolution of Mf and $\bar \eta $
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Evolution of plastic flow direction
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Variation rules of volume during shearing
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Shear strength lines for frozen soils at different temperatures
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Fitting curve of three-dimensional tensile strength and temperature of frozen soils
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Comparison of test results and model predictions for frozen soils