New Mississippi Railway and road bridge required caisson work under 52-lb. air pressure; swift current demanded unique anchor construction and timber mats to prevent scour; one caisson used as diving bell to level up reef.
Pneumatic caissons sunk 110 ft. For Vicksburg bridge
Eng. News-Rec
Engineering News Record ; 103 , n 11
1929
4 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
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