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Long span of steel bridge over Columbia River, Washington, on Great Northern Railway, has been strengthened by addition of second span, trusses of which are identical in design with original trusses, except for few necessary changes in end panels; timber falsework was used to erect anchor spans; how deck span was reinforced.
Long span of steel bridge over Columbia River, Washington, on Great Northern Railway, has been strengthened by addition of second span, trusses of which are identical in design with original trusses, except for few necessary changes in end panels; timber falsework was used to erect anchor spans; how deck span was reinforced.
Bridge reinforcing under difficulties
Ry. Rev
Loeffler, H.S. (author)
Railway Review ; 78
1926
4 pages
6 Figs.
Article (Journal)
English
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