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Image from page 747 of "The Street railway journal" (1884)

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posted by alias Internet Archive Book Images on Sunday 27th of July 2014 07:53:26 PM

Identifier: streetrailwayjo301907newy 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 View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: n. girder rails (Lorain Sec. 95-297)are placed on these, being fastened together temporarilyby standard ribbed 12 hole plates having four bolts perjoint. The rails are raised from the ties to allow the tiesto be moved under the tie-rod holes, spaced 6 ft. centers.The ties are then held firmly in place by a nipping bar ona block fulcrum while the standard Carnegie clips aretightened down on one rail by button-head bolts, the upper 666 STREET RAILWAY JOURNAL. [Vol. XXX. No. 15. flange of the sl^eel tie being punched by the manufacturerto receive the button, thus preventing the turning of thebolt. The tie rods are then placed and tightened to bringthe rails to gage and the opposite rails are bolted down tothe ties. After lining the track approximately surfacing isdone by raising the track slightly above grade on woodenblocks about 15 ins. long cut from old ties and shims splitfrom the same material. Then the track is lowered to finalgrade at the grade stakes by striking the wooden blocks Text Appearing After Image: SECTION OF TRACKS LINED AND SURFACED ON BLOCKSREADY FOR CONCRETE with a heavy maul, thus bedding them solidly in the sub-grade, after which the rails are lowered in the same man-ner to true surface throughout. Some rails are surfacebent and in such cases the surfacing must be accomplishedby weighting down the rail with wooden ties or largestones in case the rail is convex, the weight remaining inplace until the steel ties are concreted in. If the defectis concave in form, the rail is left unconcreted at the de-fective portion until the concrete on either side has becomeset when the low spot is jacket up and blocked, afterwhich the concreting is finished. In surfacing the tracka block is placed under the rails alternating with the steelties, but the ties are not blocked up for surfacing. The next step in the work consists in checking up thedistance between base of rails and sub-grade to insure therequired depth for 6 ins. of concrete, but no backfilling isdone if the depth is more than Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.



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  • Published 01.24.22
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