^P/at^ona/s floor beam. The lower chord consists of two 4 X 1/2 bars. Their ends are forged Uppei^ Connection to a rod of i !;<:. aiameter, passed thru the cast iron bridge shoesand bolted with a nut. 9. The floor beams consist of twO S-inch - 13 1/4-poundchannels with a cover plate 1/4 x 10,…
Bridges · Iron and steel bridges · Theses
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