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Effect of carbonation on the rebound number and compressive strength of concrete

Title
Effect of carbonation on the rebound number and compressive strength of concrete
Authors
Kim J.-K.Kim C.-Y.Yi S.-T.Lee Y.
Ewha Authors
이윤
Issue Date
2009
Journal Title
Cement and Concrete Composites
ISSN
0958-9465JCR Link
Citation
vol. 31, no. 2, pp. 139 - 144
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Experimental research was performed to clarify the influence of carbonation on the rebound number and the strength evolution of concrete for three strength levels. The results reveal that the strength level dependent influence of carbonation is a source of errors in the existing equations for the strength reduction coefficient; these equations are used to compensate for the influence of surface carbonation in the rebound number method. A new equation for the strength reduction coefficient that can consider the influence of strength level was developed based on field test data extracted from technical reports of the Korea Research Institute of Standards and Science and of four universities. Over a wide range of strength levels, the equation shows good agreement with strength reduction coefficients established experimentally. © 2008 Elsevier Ltd. All rights reserved.
DOI
10.1016/j.cemconcomp.2008.10.001
Appears in Collections:
엘텍공과대학 > 건축공학전공 > Journal papers
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