. Fig. 102 also shows the manner in which the bottom of eachgirder is expanded to a breadth of 5 feet over the whole of thebearing surface, the T irons being bent round, the gussets c care riveted to them to increase the width of the base and giveincreased lateral rigidity to the part which rests… … wrought iron (fig. 10.3) 1 foot 4 inches deep, and y^-g- inch thick,to the top and bottom of which are attached four angle-irons,to form the flano-es of the beam. These anorle irons are each3 inches by 3 inches by i-inch. At the ends the angle-ironsare bent round and riveted to the beam and to the…
Building, Iron and steel
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