Assessment of experimental evidence for models of hydrated portland cement

Download
  1. (PDF, 1 MB)
  2. Get@NRC: Assessment of experimental evidence for models of hydrated portland cement (Opens in a new window)
AuthorSearch for:
TypeArticle
Journal titleHighway Research Record
ISSN0073-2206
Issue370
Pages824; # of pages: 17
Subjectportland cement; hydrated cement; surface properties ( materials); mechanical properties; helium; Concrete
AbstractThe relative merits of the "new" and "old" models of hydrated portland cement are presented together with an assessment of published and some unpublished evidence relating to the models. The chief areas of evidence discussed are those pertaining to surface energy of calcium- silicate-hydrate material (C-S-H) by heat of solution, stoichiometry of C-S-H, and the effect of interlayer rehydration of D-dried C-S-H on density measurements, c-axis and hydrated radii calculations, length and weight change isotherms, and porosity and mechanical property correlations. A new technique of measuring the flow rate of helium into interlayer spaces is discussed in terms of evidence it produces. It is concluded that the "new" model of hydrated portland cement more accurately accounts for its nature as indicated by a wide variety of properties.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-RP-518
NRC number12570
3300
NPARC number20375602
Export citationExport as RIS
Report a correctionReport a correction
Record identifiera0b979a6-9869-4b8c-bc28-42c80cf3ffed
Record created2012-07-23
Record modified2016-05-09
Bookmark and share
  • Share this page with Facebook (Opens in a new window)
  • Share this page with Twitter (Opens in a new window)
  • Share this page with Google+ (Opens in a new window)
  • Share this page with Delicious (Opens in a new window)