Microstructure and strength of hydrated cement

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DOIResolve DOI: http://doi.org/10.1016/0008-8846(76)90102-2
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Journal titleCement and Concrete Research
IssueMay 3
Pages389400; # of pages: 12
Subjecthydrated cement; mechanical properties; porosity; Concrete
AbstractSeveral 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
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number15241
NPARC number20375142
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Record identifier4e6c4beb-c85f-48b4-b46a-5b9caa46d6ba
Record created2012-07-23
Record modified2016-05-09
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