Plate Girders

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Plate Girders
1010403Plate Girders
Introduction The typical plate girder shown in Fig. 12.1 is fabricated by welding together three steel plate elements. These consist of two heavy flange plates and a slender web plate. To increase the shear resistance of the slender web, intermediate stiffeners are provided and, at the location of concentrated loads, bearing stiffeners are used to prevent vertical buckling. Plate girders are usually deeper than the largest W-section that can be produced by a rolling mill and can support greater loads over longer spans. Plate girders may be used for long span floors in buildings, for crane girders …
Alan Williams, Ph.D., S.E., F.I.C.E., C. Eng.: Steel Structures Design: ASD/LRFD. Plate Girders, Chapter (McGraw-Hill Professional, 2011), AccessEngineering Export