Effects of Stiffener Type on Fatigue Resistance of Steel-UHPC Composite Bridge Decks

Figure 3

Design of steel box girder: (a) cross section of the steel box girder; (b) section diagram of the steel box girder; (c) bulb flat ribs welding; (d) diaphragm-bulb flat rib weld (unit: mm).

(a)

(b)

(c)

(d)