The Street railway journal (1904) (14574027748)
Zusammenfassung
Identifier: streetrailwayjo231904newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries
Text Appearing Before Image:
ious lines. The practice now is to givea bracket pole about 7 ins. rake in 35 ft. The practice of using timber bents and trestles to span smallopenings is gradually decreasing. Concrete arches and steelconcrete arches are taking the place of the wood and smallsteel beam spans. Illustrating in part the extent of this changein practice, mention is made that the Union Traction and theIndiana & Northwestern each constructed thirty-three of thesesteel concrete arches, varying in span from 5 ft. to 20 ft., ontheir new work during the last year. A decided change istaking place in the stresses provided for steel spans; where aloading of 25-ton cars was formerly provided for a couple ofyears ago, the practice now is to provide for loads of 50-ton to100-ton cars. Railways of late are constructed almost entirely on privateright of way, the usual width being about 50 ft. The generalalignment and grades are becoming more like those of steamrailroads. June 18, 1904.) STREET RAIEWAY JOURNAL. 935
Text Appearing After Image:
936 STREET RAILWAY JOURNAL. (Vol. XXIII. No. 25.