Structure and properties of porous cement systems and their modification by impregnants

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ConferenceHydraulic Cement Pastes : Their Structure and Properties: 08 April 1976, Sheffield, England
Pages150165; # of pages: 16
Subjectportland cement; impregnation; porosity; mechanical properties; Concrete
AbstractMicrohardness and Young's modulus of discs 1.3 mm thick were measured on several autoclaved portland cement/silica systems, normally hydrated portland cement and porous glass, representing a wide range of porosity and pore-size distributions. These samples subsequently were fully impregnated with sulfur. It was found that the results could be adequately described by the Reuss model mixing- rule, assuming that good bonding was achieved between the matrix and the impregnant and that the impregnant had similar properties when in the pores as when outside, as bulk. Systems were also studied for which some or all the assumptions did not hold, e.g. porous glass impregated with sulfur, and hydrated portland cement impregnated with methyl methacrylate.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number15507
NPARC number20375545
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Record identifier054723a8-56ba-4538-a877-0ca6386f6e78
Record created2012-07-23
Record modified2016-05-09
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