File:On the range of composition of Portland cement (1914) (14763081562).jpg

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Identifier: onrangeofcomposi00shum (find matches)
Title: On the range of composition of Portland cement
Year: 1914 (1910s)
Authors: Shum, Nim Chi
Subjects: Portland cement Theses
Publisher:
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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QO J >■ QO v9 ^0 CO 0 26 J
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DRIVE £7. DISCUSSION OP RESULTS Among the clinkers Mo. 6 was the only one which didnot show dusting. Mos. 9, 10, 11, and 12 did not dust as badlyas the rest, Mos. 1, 2, and 7 being the worst of the series. In the boiling test No. 6 was found to he firm andhard, and showed no cracking or disintegration. Mos. 9, 10 and12 cracked slightly and were somewhat soft but did not disinte-grate. Mo. 11 withstood the test fairly well but was inferiorto those above mentioned. Although Mos. 6, 9, 10, 11 and 12 are considered tobe good cements yet their tensile strengths were found to be com-paratively low. This may be due to the lack of sufficient flux-ing material in the batch or to the fact that the clinkers werenot quenched with water. In Pig. 2 a section of the CaO- Al«0_-Si0o is plottedon a large scale, the rectangle vxyz being the field shown byShepherd and Rankin as the anicr oximate range of composition ofPortland cements. The mixtures used in the nresent study areplotted and the rectangl

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https://www.flickr.com/photos/internetarchivebookimages/14763081562/

Author Shum, Nim Chi
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Flickr tags
InfoField
  • bookid:onrangeofcomposi00shum
  • bookyear:1914
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Shum__Nim_Chi
  • booksubject:Portland_cement
  • booksubject:Theses
  • bookcontributor:University_of_Illinois_Urbana_Champaign
  • booksponsor:University_of_Illinois_Urbana_Champaign
  • bookleafnumber:60
  • bookcollection:university_of_illinois_urbana-champaign
  • bookcollection:americana
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28 July 2014
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