File:Railroad construction. Theory and practice. A textbook for the use of students in colleges and technical schools. By Walter Loring Webb (1900) (14572437697).jpg

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Identifier: railroadconstruc00webb (find matches)
Title: Railroad construction. Theory and practice. A textbook for the use of students in colleges and technical schools. By Walter Loring Webb
Year: 1900 (1900s)
Authors: Webb, Walter Loring, 1863-1941
Subjects: Railroads
Publisher: New York, J. Wiley
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image:
and also simplifies the constructive work.Note also the simplicity of the junction of the wing walls withthe barrel of the arch, there being no re-entrant angles belowthe springing line of the arch. The design here shown is butone of a set of designs for arches varying in span from 6 to 30. MINOR OPENINGS. 193. Cattle-guards, (a) Pit guards. Cattle-guards will beconsidered under the head of minor openings, since the old-fashioned plan of pit guards, which are even now defended andpreferred by some railroad men, requires a break in the con-tinuity of the roadbed. A pit about three feet deep, five feetlong, and as wide as the width of the roadbed, is w^alled up withstone (sometimes with wood), and the rails are supported on heavytimbers laid longitudinally with the rails. The break in thecontinuity of the roadbed produces a disturbance in the elasticwave running through the Iails, the effect of which is noticeableat high velocities. The greatest objection, however, lies in the --41^2--
Text Appearing After Image:
> X § 193. CULVERTS AND MINOR BRIDGES. 217 dangerous consequences of a derailment or a failure of the tim-bers owing to unobserved decay or destruction by fire—causedperhaps by sparks and cinders from passing locomotives. Thevery insignificance of the structure often leads to careless in- ■■! .t i:; o 1 12 X Vl\ l.i 8

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https://www.flickr.com/photos/internetarchivebookimages/14572437697/

Author Webb, Walter Loring, 1863-1941
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Flickr tags
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  • bookid:railroadconstruc00webb
  • bookyear:1900
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Webb__Walter_Loring__1863_1941
  • booksubject:Railroads
  • bookpublisher:New_York__J__Wiley
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:260
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
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27 July 2014


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current20:01, 31 January 2018Thumbnail for version as of 20:01, 31 January 20183,068 × 2,000 (538 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 270°
23:10, 17 October 2015Thumbnail for version as of 23:10, 17 October 20152,010 × 3,068 (542 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': railroadconstruc00webb ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Frailroadconstruc00webb%2F fin...

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