A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bridge Span seats with ebbing tide
426-ton lift span for Columbia River bridge between Portland and Vancouver is erected on temporary truss mounted on barges, towed to site, positioned and lowered by ebb tide; large section of span was assembled on barges, thus tying barges together as unit; four legs served as pedestals atop falsework structure to give level footing for lift span across curved top of temporary span.
Bridge Span seats with ebbing tide
426-ton lift span for Columbia River bridge between Portland and Vancouver is erected on temporary truss mounted on barges, towed to site, positioned and lowered by ebb tide; large section of span was assembled on barges, thus tying barges together as unit; four legs served as pedestals atop falsework structure to give level footing for lift span across curved top of temporary span.
Bridge Span seats with ebbing tide
Western Construction
Western Construction ; 32
1957
2 pages
Article (Journal)
English
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