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

Table 3

The related variable values of the element 1327 near the dam toe in the time history under different overload coefficients.

Overload coefficients	Maximum compressive strain	Compressive equivalent plastic strain	Compressive damage variable
1.00	270.545	34.529	0.02452
1.20	297.189	47.455	0.03371
1.40	330.269	60.951	0.04330
1.54	353.277	70.733	0.05024
1.55	355.124	71.484	0.05077
2.00	422.743	114.483	0.08107
3.00	791.907	333.332	0.23424