File:Railroad construction. Theory and practice. A textbook for the use of students in colleges and technical schools. By Walter Loring Webb (1900) (14572192770).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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ndermined by scour or heavedby frost. The use of cement mortar is also an important featureof first-class work, especially when there is a rapid scouring cur-rent or a liability that the culvert will run under a head. InFig. 100 are shown standard plans for single and double stone boxculverts as used on the IS^orfolk and Western R.R. 190. Old-rail culverts. It sometimes happens (although veryrarely) that it is necessary to bring the grade line within 3 or 4feet of the bottom of a stream and yet allosv an area of 10 or 12square feet. A single large pipe of sufficient area could not beused in this case. The use of several smaller pipes side by sidewould be both expensive and inefficient. For similar reasonsneither wooden nor stone box culverts could be used. In suclicases, as well as in many others where the head-room is not solimited, the plan illustrated in Fig. 101 is a very satisfactorysolution of the problem. The old rails, having a length of 8 or 214 RAILROAD CONSTRUCTION. § 190.
Text Appearing After Image:
191. CULVERTS AND MINOR BRIDGES. 215 9 feet, are laid close togetlier across a G-foot opeiiing. Some-times the rails are held together by long bolts passing throughthe webs of the rails. In the plan shown the rails are confined (TnTTTTTTTTTTrTTr.TTTT,TT;TTTTTrTTTTTTTrTr7?1

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Author Webb, Walter Loring, 1863-1941
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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:257
  • bookcollection:library_of_congress
  • bookcollection:americana
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27 July 2014
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current12:02, 22 September 2018Thumbnail for version as of 12:02, 22 September 20183,072 × 2,114 (474 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
23:08, 17 October 2015Thumbnail for version as of 23:08, 17 October 20152,114 × 3,086 (475 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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