The present study is aimed to study the effect of elevated temperatures ranging from 50 to 250°C on the compressive strength of high-strength concrete (HSC) of M60 grade made with ordinary portland cement (OPC) and pozzolona Portland cement (PPC). Tests were conducted on 100 mm cube specimens. The specimens were heated to different temperatures of 50, 100, 150, 200 and 250°C for three different exposure durations of 1, 2 and 3 h at each temperature. The rate of heating was maintained as per ISO-834 temperature–time curve for standard fire. After the heat treatment, the specimens were tested for compressive strengths. Test results were analysed and the effects of elevated temperatures on PPC concrete were compared with OPC concrete. The PPC concrete exhibited better performance than OPC concrete.
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March 2007
Research Article|
March 01 2007
Compressive strength of heated high-strength concrete Available to Purchase
M. Potha Raju;
M. Potha Raju
*
Faculty of Civil Engineering, College of Engineering, GITAM
Visakhapatnam-530 045, India
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K. Srinivasa Rao;
K. Srinivasa Rao
*
Faculty of Civil Engineering, College of Engineering, GITAM
Visakhapatnam-530 045, India
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P. S. N. Raju
P. S. N. Raju
†
Andhra University
Visakapatanam-530 003, India
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Publisher: Emerald Publishing
Received:
July 06 2005
Revision Received:
April 08 2006
Accepted:
June 07 2006
Online ISSN: 1751-763X
Print ISSN: 0024-9831
© 2007 Thomas Telford Ltd
2007
Magazine of Concrete Research (2007) 59 (2): 79–85.
Article history
Received:
July 06 2005
Revision Received:
April 08 2006
Accepted:
June 07 2006
Citation
Potha Raju M, Srinivasa Rao K, Raju PSN (2007), "Compressive strength of heated high-strength concrete". Magazine of Concrete Research, Vol. 59 No. 2 pp. 79–85, doi: https://doi.org/10.1680/macr.2007.59.2.79
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