Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bay area transit system designed to roll with earthquake punches
Earthquake resistance is major design problem of 75 mi network of subways, aerial structures, rock tunnels and world's longest subaqueous tube under Bay between San Francisco and Oakland; transbay tube is continuous pipe some 3 1/2 mi long, floating on soft alluvial deposits; flexible joint at each end connects to ventilation structures for transition into approaches; severe earth rupture poses serious problem only in Berkeley Hills Tunnel, now under construction through Hayward Fault zone; it consists of two single-track bores 16,000 ft long, 100 ft apart with up to 600 ft of rock cover; tunnel will be lined throughout with steel ribs and secondary concrete lining.
Bay area transit system designed to roll with earthquake punches
Earthquake resistance is major design problem of 75 mi network of subways, aerial structures, rock tunnels and world's longest subaqueous tube under Bay between San Francisco and Oakland; transbay tube is continuous pipe some 3 1/2 mi long, floating on soft alluvial deposits; flexible joint at each end connects to ventilation structures for transition into approaches; severe earth rupture poses serious problem only in Berkeley Hills Tunnel, now under construction through Hayward Fault zone; it consists of two single-track bores 16,000 ft long, 100 ft apart with up to 600 ft of rock cover; tunnel will be lined throughout with steel ribs and secondary concrete lining.
Bay area transit system designed to roll with earthquake punches
Eng News-Rec
Kuesel, T.R. (Autor:in)
Engineering News-Record ; 176
1966
Aufsatz (Zeitschrift)
Englisch
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