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A platform for research: civil engineering, architecture and urbanism
Novel techniques used by French contractors in placing tunnel elements for roadway under Vieux-Port harbor of Marseille; temporary gantries supporting four 5-ton winches were fitted at each end of floating element before it was towed into position; cables were then lowered from gantries into water and anchored to concrete pile blocks; elements were then winched down to their beds against natural forces of flotation to provide more control over element.
Novel techniques used by French contractors in placing tunnel elements for roadway under Vieux-Port harbor of Marseille; temporary gantries supporting four 5-ton winches were fitted at each end of floating element before it was towed into position; cables were then lowered from gantries into water and anchored to concrete pile blocks; elements were then winched down to their beds against natural forces of flotation to provide more control over element.
Marseille gets twin-tube tunnel
World Construction
Mead, H.T. (author)
World Construction ; 21
1968
3 pages
Article (Journal)
English
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