Mechanisms of subcritical crack growth in portland cement paste

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ConferenceProc. Int. Conf. on Fracture Mechanics of Concrete: 1985-10-1, Lausanne, Switzerland
Pages1119; # of pages: 9
Subjectcrackings (breaking); portland cement; Concrete; fissuration; ciment portland
AbstractCrack growth data for portland cement paste specimens obtained under a variety of environmental conditions indicate that influential factors include humidity, temperature, meniscus rupture events, aging, surface energy changes, hydroxyl ion concentration of pore water, and chemical potential of pore solutions. Possible mechanisms of crack growth involving attack of SiO bonds at crack tips are discussed. Evidence is presented of modification of C-S- H structure by aliphatic alcohols and arguments are advanced for the existence of stress corrosion processes during crack growth in cement paste.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number27427
NPARC number20375399
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Record identifierbe26e20b-36e9-4966-9d8a-c23ac7d18ffb
Record created2012-07-23
Record modified2016-05-09
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