Hybrid girders have proven to be an economical alternative to homogeneous
girders since they provide a greater flexural capacity. One of the potential applications of hybrid steel plate girders is their usage in bridge construction. One of the potential constructive methods of these bridges is the push launch method, in which patch loads may condition the design. The aim of this paper is to present advanced
conclusions of a research work dealing simultaneously with these two fields; the hybrid typology when subjected to the particular case of patch loading. The most remarkable results of the research work are pointed out. On the one hand, it is shown that the influence of the fyf/fyw ratio (namely, the hybrid grade) is negligible for girders with largely spaced transverse stiffeners. On the other hand, it is shown that this influence can be significant if the transverse stiffeners are closely spaced. Suggestions for considering these findings on design codes are provided at the end paper.
CitationChacón, R.; Mirambell, E.; Real, E. Resistance of hybrid steel plate girders subjected to patch loading. A: Nordic Steel Construction Conference. "11th. Nordic Steel Construction Conference". Malmö: 2009, p. 97-104.
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