Method developed by Pennsylvania Railroad to restore traffic after bridge washout or burnout; design of all-welded steel trestle to be installed when bridge failures occur; length of trestle can be adjusted to length of span or structure lost; installation tests with trestles. (See also Ry Track and Structures v 58 n 5 May 1962 p 24-6)
How PRR will handle bridge washouts
Ry Age
Railway Age ; 152 , n 18
1962
3 pages
Article (Journal)
English
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