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Derricks do job on Memphis bridge
Only two erection bents needed to span Mississippi river; this is achieved by two lateral spans of 621 ft 1 in. and 790 ft 5 in., respectively, and 2 cantilevers of 402 ft and 395 ft, respectively; three derricks, assisted by one derrickboat mounting stiffleg derrick with 116-ft boom used for erection; bridge will carry two 24-ft roadways separated by 3-ft concrete raised median and 5 ft sidewalk along each side of bridge. (see also Construction Methods and Equipment v 31 n 12 Dec 1949 p 74-6, 80-2)
Derricks do job on Memphis bridge
Only two erection bents needed to span Mississippi river; this is achieved by two lateral spans of 621 ft 1 in. and 790 ft 5 in., respectively, and 2 cantilevers of 402 ft and 395 ft, respectively; three derricks, assisted by one derrickboat mounting stiffleg derrick with 116-ft boom used for erection; bridge will carry two 24-ft roadways separated by 3-ft concrete raised median and 5 ft sidewalk along each side of bridge. (see also Construction Methods and Equipment v 31 n 12 Dec 1949 p 74-6, 80-2)
Derricks do job on Memphis bridge
Eng News-Rec
Engineering News-Record ; 143
1949
3 pages
Aufsatz (Zeitschrift)
Englisch
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Derricks do job on Memphis bridge
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