Progressive Collapse of RC Box Girder Bridges due to Seismic Actions

Figure 18

(a) Axial force–time history of the right column of models “A3-M-K, A3-C-K, and A3-S-K.” (b) Moment–time history of the right column of models “A3-M-K, A3-C-K, and A3-S-K.” (c) Base shear–time history of the right column of models “A3-M-K, A3-C-K, and A3-S-K.”

(a)

(b)

(c)