Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rates of tunnel drivage being attained in National Coal Board, German and North of Scotland Hydro-Electric Board tunnels; program to improve tunnel drivage efficiency at collieries; future developments in tunneling equipment. (See also - discussion p 196-201; abstract in Colliery Guardian v 192 n 4971 June 7 1956 p 677-84)
Rates of tunnel drivage being attained in National Coal Board, German and North of Scotland Hydro-Electric Board tunnels; program to improve tunnel drivage efficiency at collieries; future developments in tunneling equipment. (See also - discussion p 196-201; abstract in Colliery Guardian v 192 n 4971 June 7 1956 p 677-84)
Driving of tunnels at high speed
Instn Min Engrs -- Trans
Watt, R.G. (Autor:in)
1956
20 pages
Aufsatz (Zeitschrift)
Englisch
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Driving of tunnels at high speed
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