Chicago : Engineering and Contracting Pub. Co. · leaf 625
ght be required. The necessity for clearance at the skewbackswas apparent in erecting the end arches. Thesespans were erected from the shore end, false-work being used for the entire span. Due to.a settlement of the falsework, the end bottom,chords were thrown several inches beyond theproper point… … Fig. 5—View Showing Derricks Erecting, St. Croix River Bridge. to 12 with the vertical. Effect of wind instressing the truss members was therebygreatly reduced. Of course, the detailingif ing w.v rendered a little more difficultai a result of the inclination. The top chordlwere (fcaignrd to stand…
Buildings
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