A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Guy-Derrick traveler erects high spans. construction methods and equipment
Novel bridge erection method used to span pair of steep mountain gorges in northern California; Bethlehem Pacific Steel Corp ran special derrick over narrow temporary steel girder cantilevers, hoisted 107-ft girders from canyon floor, and then converted them to simply supported spans; two bridges span Pipe Creek and Putah Creek in Napa County; they consist mostly of 164-ft twin plate girders spaced 18 ft apart. (see also Western Construction v 32 n 5 May 1957 p 68, 75)
Guy-Derrick traveler erects high spans. construction methods and equipment
Novel bridge erection method used to span pair of steep mountain gorges in northern California; Bethlehem Pacific Steel Corp ran special derrick over narrow temporary steel girder cantilevers, hoisted 107-ft girders from canyon floor, and then converted them to simply supported spans; two bridges span Pipe Creek and Putah Creek in Napa County; they consist mostly of 164-ft twin plate girders spaced 18 ft apart. (see also Western Construction v 32 n 5 May 1957 p 68, 75)
Guy-Derrick traveler erects high spans. construction methods and equipment
Construction Methods Equipment
1957
2 pages
Article (Journal)
English
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