Skinner, Frank W. (Frank Woodward), 1858-1932 · New York, McGraw · leaf 370
CANTILEVER SPANS 353 Stresses through rivets in the girder web. The rods are about30 ft. long, and their lower ends pass between the webs of a pairof 20-in. I-beams, and their nuts engage bearing plates on the … lower flanges of the beams. The beams are spliced together tomake a continuous member built into the rubble masonry of theretaining wall and sealed with grout or concrete. The girdershave an estimated weight of 50 tons each. They are connected 354 BRIDGE CONSTRUCTION by three lines of lattice…
Bridges
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