Empirical Models for Modulus of Elasticity of HSC Considering the Effect of In Situ Curing Conditions
Publication: Journal of Materials in Civil Engineering
Volume 26, Issue 8
Abstract
This paper aims to predict the modulus of elasticity of high-strength concrete (HSC) under different in situ curing conditions. Because of the effect of the hydration temperature and the curing condition, the value of HSC measured on moist-cured specimens may not be able to sufficiently represent that of HSC in structures and precast concrete components. This issue is not adequately taken into account in current codes of practice. Equations based on moist-cured specimens may result in a large discrepancy when used to estimate the in situ of HSC. In this study, measured of HSC on member-cured, temperature match–cured, on-site-cured specimens, and drilled cores from large structural members are gathered. The accuracy of selected equations is investigated using the collected data. Based on the investigations, new empirical relations for estimating the of HSC considering the effect of the in situ curing conditions are proposed.
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Published In
Journal of Materials in Civil Engineering
Volume 26 • Issue 8 • August 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jan 23, 2013
Accepted: Oct 2, 2013
Published online: Oct 4, 2013
Published in print: Aug 1, 2014
Discussion open until: Sep 28, 2014
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