Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction of Harold D. Roberts Tunnel supplying water to Denver, Colo, required extensive preliminary surveying to determine tunnel alignment and location of portals and of construction access shaft bored vertically 916 ft deep into mountain; description of survey work for establishing line and grade in tunnel headings and for determining excavation quantities; complicated surveying works, carried out in both directions from bottom of shaft are detailed. (72, 74-6, 112-3)
Construction of Harold D. Roberts Tunnel supplying water to Denver, Colo, required extensive preliminary surveying to determine tunnel alignment and location of portals and of construction access shaft bored vertically 916 ft deep into mountain; description of survey work for establishing line and grade in tunnel headings and for determining excavation quantities; complicated surveying works, carried out in both directions from bottom of shaft are detailed. (72, 74-6, 112-3)
Surveying 23-mi water tunnel
Western Construction
Dickinson, H.K. (Autor:in)
Western Construction ; 35
1960
Aufsatz (Zeitschrift)
Englisch
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Discussion on Tunnel Surveying
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