matching them with the other 67 feet wide, 315 feet high, and weighing 1,500 tons. longer than any simple pin-connected truss span that connections and pinning the whole together greatly For convenience of transportation the vertical posts has yet been erected. Ordinarily such a span would… … Raising Two Complete Panels of Upper Chord Eyebars, Weighing 140 Tons, to Position in Quebec maximum stress in the tension members will never Cantilever Bridge. exceed 17,000 pounds to the square inch in the I beams, or 20,000 pounds per square inch in the sec- ERECTING THE QUEBEC BRIDGE—THE…
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