A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Calif Highways and Pub Works v 32 n 5-6 May-June 1953 p 27-33; World Construction v 6 n 5 Sept-Oct 1953 p 43-4, 46-7. Gaviota Gorge Tunnel on U S Route 101 in Santa Barbara County, Calif, is part of project to provide limited access freeway northward from Gaviota for 8.3 mi; faulted, shattered rock was bored through to avoid deep cut and long dispersal haul; tunnel bore is semicircular above spring line, with 17 ft 7 1/2 in. radius; concrete linings 36 in. in timber supported sections and 24 in. in steel supported section. (See also Roads and Streets v 96 n 3 Mar 1953 p 73-7; World Construction v 6 n 5 Sept-Oct 1953 p 43-4, 46-7)
Calif Highways and Pub Works v 32 n 5-6 May-June 1953 p 27-33; World Construction v 6 n 5 Sept-Oct 1953 p 43-4, 46-7. Gaviota Gorge Tunnel on U S Route 101 in Santa Barbara County, Calif, is part of project to provide limited access freeway northward from Gaviota for 8.3 mi; faulted, shattered rock was bored through to avoid deep cut and long dispersal haul; tunnel bore is semicircular above spring line, with 17 ft 7 1/2 in. radius; concrete linings 36 in. in timber supported sections and 24 in. in steel supported section. (See also Roads and Streets v 96 n 3 Mar 1953 p 73-7; World Construction v 6 n 5 Sept-Oct 1953 p 43-4, 46-7)
Tunnelling through canyon wall
California Highways Public Works
Witte, J.E. (author)
1953
7 pages
Article (Journal)
English
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Tunnelling through canyon wall
| Engineering Index Backfile | 1953
Tunnelling through canyon wall
| Engineering Index Backfile | 1953
Bolts secure slab to canyon wall
Engineering Index Backfile | 1954
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