The Failure Mechanism of Concrete Gravity Dams considering Different Nonlinear Models under Strong Earthquakes

Table 2

The relevant variables at the integral point of the dam heel for the overload coefficient of 1.0 at 5.82 s.

Maximum principal stress (MPa)	Minimum principal stress (MPa)	Tensile damage variable	Compressive damage variable
1.925	−0.839	0.63228	0.00246
Tensile equivalent plastic strain	Compressive equivalent plastic strain	Maximum plastic strain	Minimum plastic strain
			−