Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Extensive tunnel work on C. and O. nears completion
Nov 5 1932 n 19 p 632-636: Methods used in enlarging 13 single-track and double-track tunnels with closed clearances on Chesapeake and Ohio main line, crossing Alleghany mountains; adverse conditions completely corrected; special equipment and methods used in lining work; construction of approaches. Nov 12 n 20 p 665-668: Enlarging five old tunnels under heavy traffic; with safety and minimum delay to trains or work; shield protected train operation; enlarging double-track tunnels.
Extensive tunnel work on C. and O. nears completion
Nov 5 1932 n 19 p 632-636: Methods used in enlarging 13 single-track and double-track tunnels with closed clearances on Chesapeake and Ohio main line, crossing Alleghany mountains; adverse conditions completely corrected; special equipment and methods used in lining work; construction of approaches. Nov 12 n 20 p 665-668: Enlarging five old tunnels under heavy traffic; with safety and minimum delay to trains or work; shield protected train operation; enlarging double-track tunnels.
Extensive tunnel work on C. and O. nears completion
Ry Age
Railway Age ; 93
1932
Aufsatz (Zeitschrift)
Englisch
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