Quantification of Effects of Fly Ash Type on Concrete Early-Age Cracking

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dc.contributor.author Riding, Kyle A.
dc.contributor.author Poole, Jonathan L.
dc.contributor.author Schindler, Anton K.
dc.contributor.author Juenger, Maria C. G.
dc.contributor.author Folliard, Kevin J.
dc.date.accessioned 2010-08-06T19:51:39Z
dc.date.available 2010-08-06T19:51:39Z
dc.date.issued 2010-08-06T19:51:39Z
dc.identifier.uri http://hdl.handle.net/2097/4500
dc.description.abstract The mechanisms that contribute to early-age cracking are complex. Determining the relative importance of each mechanism as well as the combined cracking potential for a given concrete material is essential for the concrete industry to construct structures with a long service life. A method for quantifying the cracking risk of a concrete mixture is presented. The method involves testing for the concrete heat of hydration, setting time, free thermal and autogenous movement, restrained stress, and mechanical property development. The concrete uniaxial stress under restrained conditions is measured using a rigid cracking frame. This test setup was used to quantify the effects of using fly ash on the concrete cracking risk using four different fly ashes with varying calcium oxide contents. All fly ashes reduced the cracking risk because of the decrease in the heat of hydration of the cementitious materials and, to a lesser extent, the increased early-age creep. en_US
dc.relation.uri http://www.concrete.org/PUBS/JOURNALS/MJHOME.ASP en_US
dc.rights Permission to archive granted by Daniela Bedward, Publishing Services Assistant, American Concrete Institute, Aug. 5, 2010. en_US
dc.subject Cracking en_US
dc.subject Early-age creep en_US
dc.subject Fly ash en_US
dc.subject Mass concrete en_US
dc.title Quantification of Effects of Fly Ash Type on Concrete Early-Age Cracking en_US
dc.type Article (publisher version) en_US
dc.date.published 2008 en_US
dc.citation.epage 155 en_US
dc.citation.issue 2 en_US
dc.citation.jtitle ACI Materials Journal en_US
dc.citation.spage 149 en_US
dc.citation.volume 105 en_US
dc.contributor.authoreid riding en_US

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