. Electric railway journal . End View of Bridge, Showing Forms in Place AfterConcreting beams and floor beams 15-in. 42-lb. I-beams; upper chordof truss, two 6-in. x }4-in. channels with one 12-in. xplate; lower chord of truss, two 7-in. channels, % in., 5/16 Y% in. thick. The diagonals are made of two 3-in. x 3 x%-in., two 3^2-in. x 2l/2-in. x 5/16-in., two 2T/2-in. x 2 yi-m. and two 3-in. x 2}/2-. x J^-in. The bridge restedon stone masonry abutments and was designed for 32-ton lower chords and the diagonals were reinforced in 1908 Side View of Bridge, Showing Forms in P
. Electric railway journal . End View of Bridge, Showing Forms in Place AfterConcreting beams and floor beams 15-in. 42-lb. I-beams; upper chordof truss, two 6-in. x }4-in. channels with one 12-in. xplate; lower chord of truss, two 7-in. channels, % in., 5/16 Y% in. thick. The diagonals are made of two 3-in. x 3 x%-in., two 3^2-in. x 2l/2-in. x 5/16-in., two 2T/2-in. x 2 yi-m. and two 3-in. x 2}/2-. x J^-in. The bridge restedon stone masonry abutments and was designed for 32-ton lower chords and the diagonals were reinforced in 1908 Side View of Bridge, Showing Forms in Place AfterConcreting The top chords were reinforced by two bars placed betweenthe channels and four bars just below the bottom flanges ofchannels. The batter posts and diagonals were reinforced withfour bars each and two bars were placed in each intermediatepost. The bars in each of these cases were curved at theends to extend into the recesses around the top and bottomchords and floor beams at the connections. Two bars
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
