Research Article

Optimization of Post-Tensioned Box Girder Bridges with Special Reference to Use of High-Strength Concrete Using AASHTO LRFD Method

Figure 5

Comparison in box girder (seven cells spaced at 9 ft) for different span length.
673821.fig.005a
(a) Required number of strands
673821.fig.005b
(b) Final prestress losses
673821.fig.005c
(c) Moment capacities