Microindentation creep of secondary hydrated cement phases and C-S-H

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DOIResolve DOI: http://doi.org/10.1617/s11527-012-9993-0
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TypeArticle
Journal titleMaterials and Structures/Materiaux et Constructions
ISSN1359-5997
Pages17; # of pages: 7
AbstractMicroindentation creep measurements were obtained on compacted specimens of several secondary hydrated cement phases in equilibrium with water vapor at 11%RH. Values of creep modulus, indentation modulus and indentation hardness for calcium hydroxide, ettringite, gypsum and calcium carbonate are reported. The porosity dependence of these parameters was established and the significance of porosity on the time-dependent deformation of these materials was discussed. In addition the microindentation creep behavior of pure C-S-H and C3S paste hydrated 32 years was determined. The discussion focuses on the relative importance of the contribution of the secondary phases in hydrated cement-based materials to creep with respect to the more 'active' C-S-H phase. © 2012 RILEM.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Construction (CONST-CONST)
Peer reviewedYes
NPARC number21269405
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Record identifier69188546-7213-43e6-bfba-8f725ea32ef5
Record created2013-12-12
Record modified2016-05-09
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