A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Discussion of factors governing construction of new 3015-ft Northern Pacific Railway Tunnel; determination of location limited by existence of old tunnel which had to be protected from effects of blasting; excavation of approaches; concrete operations; foundations and curbs; tunnel lining.
Discussion of factors governing construction of new 3015-ft Northern Pacific Railway Tunnel; determination of location limited by existence of old tunnel which had to be protected from effects of blasting; excavation of approaches; concrete operations; foundations and curbs; tunnel lining.
Railroad tunnel in Montana
Western Construction News
Jacobson, A. (author)
1945
4 pages
Article (Journal)
English
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