Multipotential Surface Elastoplastic Constitutive Model and Its Application in the Analysis of the Phase II Cofferdam of the Three Gorges Project

Table 1

Relation between the stress-strain and both and .

	E t and μt under different ε1
σ 3	0.5%		1.0%		1.5%		…
	E t	μ t	E t	μ t	E t	μ t	…