Uniform Nonlinear Constitutive Model and Parameters for Clay in Different Consolidation Conditions Based on Regression Method

Table 4

Limit state parameter.

𝜎3/100kPa	(𝜎1−𝜎3)𝑓	(𝜎1−𝜎3)ult	𝑅𝑓	𝑅𝑓
0.794	264.1	286.0	0.9140	0.820
1.587	446.0	600.0	0.7433
2.381	630.7	786.0	0.8024