4.5 1&530.0 100 Stringers 3 x 4 12 0 4. 5 5,400.0 51 Joists 3 x 12 16 0 4.5 11,200.0 1400 Snike s 60 penny Summary. 1/10* LOO »o 3,3130.0 Top Chords 8 612.5 Bottom Chords ,UOO•f Verticals ± , CJ\J 1 . U Diagonals 1,206.4 Bracing 954.0 Lower Laterals 401.6 Pedestals Timber Spikes… … 10. Art. 4. Efficiency of Members. In the caleulation of the efficiency of the members,only the weakest members will be investigated as these are themost important. LOWER CHORD. The lower chord is made up of two 4 xplates and has a direct stress of 127,000 lbs. For the net areaone rivet must be…
Bridges · Iron and steel bridges · Theses
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