Moisture expansion of clay bricks and brickwork

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AuthorSearch for:
TypeArticle
Journal titleBuilding Research Note
ISSN0701-5232
Volume103
Pages7
Subjectexpansion; clay bricks; brickwork; walls; crackings ( breaking); expansion joints; Brick; dilatation; bloc en terre cuite; maconnerie en brique; mur; fissuration; joint de dilatation
AbstractBricks made from clay and shale expand after firing due to the effects of moisture. The expansion continues for many years, although the rate decreases greatly with time. The amount of moisture expansion is not uniform, varying over a range from about 0.03% to about 20%, depending on the raw materials used in brick manufacture and on the temperature at which the bricks are fired. The moisture expansion of bricks results in the expansion of walls that may lead to their cracking if movement joints are not provided to accomodate the expansion.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierBRN-103
NRC number1649
NPARC number20377312
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Record identifiereef55d77-0be7-4d31-bcdd-96cbdfe39cef
Record created2012-07-24
Record modified2016-05-09
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