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Unusual methods used in repair of roof girders in street underpass
Method of repairing roof of New York Central Railroad tunnel, under Brook Ave., Bronx, N. Y. C.; dead-load stress placed on new cover plates by torch heating prior to arc welding; details of girders reinforced by new arcwelded cover plates; features of special car equipment used.
Unusual methods used in repair of roof girders in street underpass
Method of repairing roof of New York Central Railroad tunnel, under Brook Ave., Bronx, N. Y. C.; dead-load stress placed on new cover plates by torch heating prior to arc welding; details of girders reinforced by new arcwelded cover plates; features of special car equipment used.
Unusual methods used in repair of roof girders in street underpass
Eng. News-Rec
Welty, H.T. (author)
Engineering News Record ; 103
1929
2 pages
2 Figs.
Article (Journal)
English
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