Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Procedure followed in replacing obsolete swing span with lift span at Broadway crossing of Harlem River in New York City; swing span was floated out and new lift span floated in: change was made in 72 hr; new 3 span double deck structure comprises 304 ft long main vertical lift span, weighing 2500 tons, and 2 tower spans; lower deck will carry 6 highway lanes and upper deck will continue to carry subway; 2 Warren type trusses of main span are made of silicon steel; erection of steel towers and piers.
Procedure followed in replacing obsolete swing span with lift span at Broadway crossing of Harlem River in New York City; swing span was floated out and new lift span floated in: change was made in 72 hr; new 3 span double deck structure comprises 304 ft long main vertical lift span, weighing 2500 tons, and 2 tower spans; lower deck will carry 6 highway lanes and upper deck will continue to carry subway; 2 Warren type trusses of main span are made of silicon steel; erection of steel towers and piers.
Lift-bridge replaced under traffic
Civ Eng (NY)
Collard, A.A. (Autor:in)
1961
4 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Pile bridge replaced by concrete
| Engineering Index Backfile | 1927
Bay bridge suspender rope replaced
| Engineering Index Backfile | 1944
Heavy bridge floor replaced with aluminum
| Engineering Index Backfile | 1934
Highway bridge floor replaced after corrosion
Engineering Index Backfile | 1919
Bridge span replaced in five hours
| Engineering Index Backfile | 1957