Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Timber falsework used to erect suspension bridge towers
Notes on erection of steel towers for St. Johns suspension bridge over Willamette River, at Portland, Ore., by use of derricks resting on tall timber falsework; each falsework tower resting on 56 piles, 100 ft. long, was erected by means of guy derrick acting in form of creeper traveler inside frame; wood bents were assembled on ground in 40-ft. sections and lifted into position by guy derrick.
Timber falsework used to erect suspension bridge towers
Notes on erection of steel towers for St. Johns suspension bridge over Willamette River, at Portland, Ore., by use of derricks resting on tall timber falsework; each falsework tower resting on 56 piles, 100 ft. long, was erected by means of guy derrick acting in form of creeper traveler inside frame; wood bents were assembled on ground in 40-ft. sections and lifted into position by guy derrick.
Timber falsework used to erect suspension bridge towers
Eng. News-Rec
Engineering News-Record ; 105
1930
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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