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Microstructure and strength of hydrated cement

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.1016/0008-8846(76)90102-2
AuthorSearch for: 1; Search for: 1
Affiliation
  1. National Research Council of Canada
FormatText, Article
SubjectConcrete; hydrated cement; mechanical properties; porosity
Abstract
Several hydrated portland cement systems have been studied at DBR in a wide range of porosities. These systems include room-temperature hydrated paste, autoclaved paste, autoclaved with addition of sulfur and silica, hot-pressed samples and compacts of synthetic 14A tobermorite. Measurements included compressive strength, Young's modulus, product density, porosity and helium inflow, by which the various systems were characterized. It was concluded that, at a given porosity, an optimum proportion of higher density crystalline material and poorly aligned and ill-crystallized material yields the best strength but the quantity of poorly- crystallized material required decreases with porosity.
Publication date
In
  • Cement and Concrete Research 6, no. May 3 (1 May 1976): 389–400.
LanguageEnglish
Peer reviewedYes
IdentifierDBR-P-674
NRC numberNRCC 15241
NRC-IRC-3308
NPARC number20375142
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Record identifier4e6c4beb-c85f-48b4-b46a-5b9caa46d6ba
Record created2012-07-23
Record modified2024-03-13
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