Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Techniques perfected in construction of Stornorrfors and Harresele tunnels for hydro plants, and Stockholm air raid shelter garage; conditions favoring projects of record breaking proportions include prevalence of sound granite or gneiss rock, which is good for tunneling without roof supports; types of equipment enabling unusual tunnel driving speed to be attained.
Techniques perfected in construction of Stornorrfors and Harresele tunnels for hydro plants, and Stockholm air raid shelter garage; conditions favoring projects of record breaking proportions include prevalence of sound granite or gneiss rock, which is good for tunneling without roof supports; types of equipment enabling unusual tunnel driving speed to be attained.
Swedes make rock tunnel history
Eng News-Rec
Bowman, W.G. (Autor:in)
Engineering News-Record ; 155
1955
Aufsatz (Zeitschrift)
Englisch
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