Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Description of twin tube vehicular tunnel which is one of main features of Pittsburgh's new Penn-Lincoln Parkway; structure made up of two similar tubes, each providing for two 12-ft traffic lanes; ventilation; tunnel cross section; drainage; pavement; lighting; control center for tunnel operations.
Description of twin tube vehicular tunnel which is one of main features of Pittsburgh's new Penn-Lincoln Parkway; structure made up of two similar tubes, each providing for two 12-ft traffic lanes; ventilation; tunnel cross section; drainage; pavement; lighting; control center for tunnel operations.
Squirrel hill tunnel
Traffic Eng
Baker, Jr., M. (Autor:in)
Traffic Engineering ; 14
1944
Aufsatz (Zeitschrift)
Englisch
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Pittsburgh's squirrel hill tunnel
Engineering Index Backfile | 1949
Hinged forms and hydraulic traveler are concreting squirrel hill tunnel
Engineering Index Backfile | 1950
Twin bores of squirrel hill tunnel each advance 24 ft per day
Engineering Index Backfile | 1949
| Engineering Index Backfile | 1911
Potts Hill-Waterloo pressure tunnel
Engineering Index Backfile | 1933