Research Article

Seismic Fortification Analysis of the Guoduo Gravity Dam in Tibet, China

Table 3

Summary of the analysis cases studied in the 3D finite element modelling.

Analysis case numberLoading combination

1Static loadings, self-weight + upstream normal water loading + silt load + downstream water load (3D linear elastic)
2Static and dynamic loadings, Case  1 + design seismic load, horizontal seismic acceleration, 0.09 g (3D linear elastic, response analysis)
3Static loadings, self-weight + upstream normal water loading + silt load + downstream water load (3D nonlinear)
4Static and dynamic loadings, Case  3 + design seismic load, horizontal seismic acceleration, 0.09 g (3D linear elastic, time history analysis)
5Static and dynamic loadings, Case  3 + design seismic load, horizontal seismic acceleration, 0.18 g (3D linear elastic, time history analysis)
6Static and dynamic loadings, Case  3 + design seismic load, horizontal seismic acceleration, 0.27 g (3D linear elastic, time history analysis)
7Static and dynamic loadings, Case  3 + design seismic load, horizontal seismic acceleration, 0.36 g (3D linear elastic, time history analysis)