Research Article

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

Figure 2

Comparison of moment envelopes for 180 ft single-span box girder with eight webs spaced at 9 ft.
673821.fig.002a
(a) Service load conditions
673821.fig.002b
(b) Due to factored loads (strength I was considered for LRFD and LFD)