Installation of two 120-ton, double leaf, single lane swing bridges over Panama Canal, to replace crossing formerly provided by sea gates; each leaf consists of steel deck, curbs, and handrail supported on pair of 30-in. wide flange 116-lb girders on 6-ft centers; new method of unwatering chambers utilizes floating caisson for each channel.
Unusual bridge carries traffic across gatun locks
Civ Eng (NY)
Civil Engineering ; 25 , n 7
1955
2 pages
Article (Journal)
English
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