Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Tunnel built in open while trains run through
Main structural elements of tunnel built by Connecticut State Highway Dept are 230 precast, reinforced and post-tensioned concrete half-arch sections, each separated from its foundation and its other half by neoprene pads; half-arch sections that make up tunnel are 1 ft 6 in. thick, 6 ft wide and have chord length of 32 ft; each contains 12.5 cu yd of concrete, 2500 lb of rebar cages and three post-tensioning tendons; sections were cast in sideways position; techniques of construction and placing of prefabricated sections are discussed.
Tunnel built in open while trains run through
Main structural elements of tunnel built by Connecticut State Highway Dept are 230 precast, reinforced and post-tensioned concrete half-arch sections, each separated from its foundation and its other half by neoprene pads; half-arch sections that make up tunnel are 1 ft 6 in. thick, 6 ft wide and have chord length of 32 ft; each contains 12.5 cu yd of concrete, 2500 lb of rebar cages and three post-tensioning tendons; sections were cast in sideways position; techniques of construction and placing of prefabricated sections are discussed.
Tunnel built in open while trains run through
Eng News-Rec
Engineering News-Record ; 181
1968
3 pages
Aufsatz (Zeitschrift)
Englisch
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