File:Economic Papers (1912) (14765431254).jpg

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English:

Identifier: economicpapers2228unse (find matches)
Title: Economic Papers
Year: 1912 (1910s)
Authors:
Subjects:
Publisher: Raleigh : N.C. Geological Survey
Contributing Library: State Library of North Carolina, Government & Heritage Library
Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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N. C. Geological and Economic Sohvei. PLATE XVIII.
Text Appearing After Image:
COUNTRY ROADS IX NORTH CAROLINA seven days, beams and girders not less than two weeks, and arches notless than twenty-eight days. Placing Concrete: Concrete shall be placed immediately after mixingand any having an initial set shall be rejected. All concrete shall becarefully deposited in such manner that the stone and mortar will notseparate. When deposited in small quantities, the concrete shall notbe thrown directly against the forms, but so placed that the layer maybe worked along at its full thickness. As fast as the concrete is placedthe portion next to the forms shall be so treated by spading or othermeans, as to push back the stone and bring the mortar in thorough con-tact with the forms. The work shall be carried up in sections of con-venient length, and each section completed without intermission. Con-crete shall be placed in continuous horizontal layers in walls and beams.In slabs, the concrete shall be placed the full thickness continuous acrossthe span. Arch concrete is t

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https://www.flickr.com/photos/internetarchivebookimages/14765431254/

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Volume
InfoField
vol. 22-28
Flickr tags
InfoField
  • bookid:economicpapers2228unse
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • bookpublisher:Raleigh___N_C__Geological_Survey
  • bookcontributor:State_Library_of_North_Carolina__Government___Heritage_Library
  • booksponsor:LYRASIS_Members_and_Sloan_Foundation
  • bookleafnumber:602
  • bookcollection:statelibrarynorthcarolina
  • bookcollection:americana
Flickr posted date
InfoField
28 July 2014



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current06:14, 3 October 2015Thumbnail for version as of 06:14, 3 October 20153,096 × 1,984 (723 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': economicpapers2228unse ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Feconomicpapers2228unse%2F fin...

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