The plate girders are used to carry the loads beyond the capacity of universal beams. They consist of plates and angles riveted together. Plates and angles form an I-section. They are used in building construction and also in bridges. Plate girders are economically used for spans upto 30m. In common, section used for plate girders are shown in figure.

Figure (A)

Simple Plate Girder

It shows the simplest form of plate girder.

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