Compressive Strength of Self-Compacting Concrete during High-Temperature Exposure
Publication: Journal of Materials in Civil Engineering
Volume 22, Issue 10
Abstract
Self-compacting concrete (SCC) is being used in high-rise buildings and industrial structures which may be subjected to high temperatures during operation or in case of an accidental fire. The proper understanding of the effects of elevated temperatures on the properties of SCC is necessary. This paper reports the results of laboratory investigations carried out to study the effects of high temperatures ranging from room temperature to on the compressive strength of different water-cement ratio SCC and high-strength concrete. It is found that the hot compressive strength of SCC decreases with increasing temperature. Compared with normal-strength SCC, high-strength SCC possesses a larger compressive strength exposed to high temperature. Another result of tests is that addition of polypropylene fibers decreased the strength and probability of explosive spalling.
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Acknowledgments
The paper includes partial study in Tongji University and Magnel Laboratory for Concrete Research, Ghent University. The financial support from the National Key Technology R&D Program (Grant No. UNSPECIFIED2006BAJ27B02-02 PI, Yuan Yong) and Scientific Research Foundation for the Returned Overseas Chinese Scholars is gratefully acknowledged.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 22 • Issue 10 • October 2010
Pages: 1005 - 1011
Copyright
© 2010 ASCE.
History
Received: Sep 6, 2009
Accepted: Mar 12, 2010
Published online: Mar 16, 2010
Published in print: Oct 2010
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