A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Tunnelling in London clay
Work on 1-mi length of twin tunnels for London Transport at Finsbury Park; tunnels are being built as full scale trial of new methods of construction intended for proposed Victoria underground line, and use unbolted cast iron segments to line tunnel and unbolted concrete segments; both utilize drum digger shield, and involve placing ring of lining and then forcing it to expand to tight contact with clay; section diagrams. (See also Engineer v 211 n 5486 Mar 17 1961 p 422-5)
Tunnelling in London clay
Work on 1-mi length of twin tunnels for London Transport at Finsbury Park; tunnels are being built as full scale trial of new methods of construction intended for proposed Victoria underground line, and use unbolted cast iron segments to line tunnel and unbolted concrete segments; both utilize drum digger shield, and involve placing ring of lining and then forcing it to expand to tight contact with clay; section diagrams. (See also Engineer v 211 n 5486 Mar 17 1961 p 422-5)
Tunnelling in London clay
Engineering
Engineering ; 191
1961
2 pages
Article (Journal)
English
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Engineering Index Backfile | 1961
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