Improving Cross‐Frame Design to Reduce the Effects of Skew in Steel I‐Girder Bridges
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Skew of the supports in steel I-girder bridges cause undesirable torsional effects, increased cross-frame forces, and generally increase the difficulty of designing and constructing a bridge. The girders experience differential deflections due to the skew supports, and the undesirable effects arise when the girders are linked transversely. Before the placement of the deck, the main method of linking the girders transversely is through the use of cross-frames.