Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Description of construction of 2070 ft long 34 ft wide and 26 ft high horseshoe shaped tunnel of Trans-Canada Highway; tunneling works from 2 headings met with only 1/4 in. deviation; repair of 1000 cu yd of cave-in.
Description of construction of 2070 ft long 34 ft wide and 26 ft high horseshoe shaped tunnel of Trans-Canada Highway; tunneling works from 2 headings met with only 1/4 in. deviation; repair of 1000 cu yd of cave-in.
China bar tunnelers "hole through"
Eng Contract Rec
Hooker, A. (Autor:in)
1961
3 pages
Aufsatz (Zeitschrift)
Englisch
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