A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Unique shield tunnels sand
Construction of 20,500 ft long part of North Central Outfall Sewer in Los Angeles, Calif; tunnel is horseshoe shaped, and consists of outer shell and inner support; shell is open on bottom, so yoke like bent transmits crown load to tunnel floors; yoke and shell are moved ahead alternately to drive 153 ft of 11-ft tunnel daily. (See also Construction Methods and Equipment v 39 n 3 Mar 1957 p 66-8)
Unique shield tunnels sand
Construction of 20,500 ft long part of North Central Outfall Sewer in Los Angeles, Calif; tunnel is horseshoe shaped, and consists of outer shell and inner support; shell is open on bottom, so yoke like bent transmits crown load to tunnel floors; yoke and shell are moved ahead alternately to drive 153 ft of 11-ft tunnel daily. (See also Construction Methods and Equipment v 39 n 3 Mar 1957 p 66-8)
Unique shield tunnels sand
Western Construction
Western Construction ; 32
1957
3 pages
Article (Journal)
English
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Engineering Index Backfile | 1957
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