Abstract
Focuses of this study are bending behavior of hybrid steel girders in particular plastic responses. The hybrid steel girders consist of bridge high performance steel, SBHS700, flanges and lower strength, SM490 or SM400, steel webs, and their behavior is compared with SBHS homogeneous girder. The maximum bending capacities of the hybrid girders are 6% less than that of the homogeneous one. Significant differences are unshown between SM490 web hybrid and SM400 web hybrid in the plastic behavior; therefore, the bending capacity is mainly subjected to flange materials.
