Pre-assembled bridge spans, and unusual traveling jack method for erecting them, made possible reconstruction of Chicago's La Salle Street station with almost no stoppage in railroad traffic; series of 60 ft long bridge spans, each designed to carry one track, were lifted by crane onto flat cars which ran on specially built spur tracks to station; meanwhile, workmen had removed existing ties, tracks, and girders for single 120 ft track section.
Station rebuilt as trains roll
Construction Methods Equipment
Construction Methods and Equipment ; 38 , n 9
1956
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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