Research Article

Analysis of Three-Dimensional Damage Constitutive Model of Frozen Sand Based on the Influence of Intermediate Principal Stress and Temperature

Table 1

Fitting results of the Weibull parameters at different temperatures and medium principal stress coefficients.

T (°C)bF0 (MPa)m

−504.4370.329
−50.250.90750.206
−50.51.64870.24
−50.750.264470.164
−1007.240.378
−100.251.38680.214
−100.52.33960.248
−100.750.371570.167
−1501.37710.22
−150.251.2150.205
−150.50.39450.177
−150.750.283650.157