Effect of temperature on brick suction

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AuthorSearch for:
TypeArticle
Journal titleJournal of Testing and Evaluation
ISSN0090-3973
Volume10
Issue3
Pages8182; # of pages: 2
Subjectmasonry products; absorptivity; water absorption; temperature; bricks; clays; shales; concretes; sand-lime; extruding; dry pressing; initial rate of absorption; suction; cold weather masonry construction; Brick; produit a maconner; absorptivite; absorption d'eau; temperature
AbstractA brief study has been carried out on the effect of temperature on brick suction or initial rate of absorption (IRA), which is a factor in determining the amount of water extracted from mortar placed between bricks. This is important during cold weather construction when the amount of water extracted determines the pore space available for expansive forces if the remaining water freezes at an early age. The study included extruded clay and shale, dry-press clay, sand-lime, and concrete bricks selected to include a range of control IRA (suction) values. Values were determined at 20, 10, -1.5, and -10 degrees C with water at 20 degrees C and at 20 degrees C with water at 10 degrees C. Results indicate a small reduction in suction with dropping temperature for low absorption bricks and a substantial drop for high absorption extruded and dry-press clay bricks at temperatures below 0 degrees C. It is concluded that bricks should be at temperatures above 0 degrees C to ensure maximum potential for reducing the moisture content of mortar during winter construction.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-1054
NRC number20656
128
NPARC number20386497
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Record identifierae805921-279b-4632-8d53-5f7cd2b953f5
Record created2012-07-25
Record modified2016-05-09
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