Illustrated description of the methods employed in erecting a bridge of 236 ft. span on one of the busiest trunk lines in the country without the interruption of traffic. The new span was erected on falsework on one side of the line and when it was completed the old span was moved to the other side and the new one substituted, the time occupied in moving being less than 14 minutes. (3600 w.)
Erection of bridge 69, Pennsylvania railroad
Eng Rec
1899
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Steelwork erection at the New York terminal of the Pennsylvania railroad
Engineering Index Backfile | 1911
The Pennsylvania railroad tunnel bridge
Engineering Index Backfile | 1902
Pennsylvania railroad bridge at Phoenixville
Engineering Index Backfile | 1916
Bridge 69, New York division, Pennsylvania railroad
Engineering Index Backfile | 1899
New Pennsylvania railroad bridge at Manayunk, Pa.
Engineering Index Backfile | 1918
|