A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
"Underground Bridge" structure, installed by St. Louis-San Francisco to check roadbed instability at locations bordering Mississippi River consists of native timber poles secured with old rails; method saves some $50,000 in annual maintenance of way expenditures.
"Underground Bridge" structure, installed by St. Louis-San Francisco to check roadbed instability at locations bordering Mississippi River consists of native timber poles secured with old rails; method saves some $50,000 in annual maintenance of way expenditures.
Stabilize sandy roadbed
Ry Track Structures
Beighley, F.N. (author)
1953
3 pages
Diagrams
Article (Journal)
English
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