Revision of the Niagara Railway Arch Bridge (1920)
Charles Evan Fowler · [New York] : American Society of Civil Engineers · leaf 71
Paul Railway. Thisis a splendid type of construction, but as it weighs 3 400 lb. per lin. ft.of track, could not be considered for use on the Arch Bridge. One ofthe lightest floors of this type is in use by the Buffalo, Rochester andPittsburgh Railway, and was only slightly too heavy to be… … Fig. 20.—Light Concrete Floor as Tested. weight over a span of 13 ft. on 12-in. blocking, it sagged about 6 in.and developed hair cracks. It could be tetered up and down 6 in. withones foot and return to its original sagged elevation, and so far astests indicated would be satisfactory for the short…
Bridges
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
