Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Columbia river bridge raised 45 ft
Method of raising for vertical distance 45 ft, of steel truss cantilever highway bridge, 4 mi upstream of Bonneville Dam, Ore, consisting of two side or anchor spans 211 ft long and center span of 705 ft; suspended section of main span was dismembered and removed in reverse erection order; cantilever sections were raised on jacks as supporting piers were progressively built up to required height.
Columbia river bridge raised 45 ft
Method of raising for vertical distance 45 ft, of steel truss cantilever highway bridge, 4 mi upstream of Bonneville Dam, Ore, consisting of two side or anchor spans 211 ft long and center span of 705 ft; suspended section of main span was dismembered and removed in reverse erection order; cantilever sections were raised on jacks as supporting piers were progressively built up to required height.
Columbia river bridge raised 45 ft
Eng News-Rec
Engineering News-Record ; 125
1940
2 pages
Aufsatz (Zeitschrift)
Englisch
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