Aging Effect on Bond Strength in Composite Sections
Publication: Journal of Materials in Civil Engineering
Volume 6, Issue 4
Abstract
Experimental results of previous research showed that the bond strength between structural steel shapes and concrete in composite sections at the age of one year is approximately 30% of that at the age of three weeks. A literature survey reveals that no research has been conducted to investigate bond strength in composite construction at ages over one year. This paper reports the results of tests conducted on 15 battened composite specimens to investigate bond strength between steel and concrete at the age of five years. Test results of this investigation show that the bond strength at the age of five years is more than twice that at the age of 360 days. The reduction in bond strength in specimens of five years of age is significantly less than that in specimens 360 days old, when compared with results of 21‐day‐old ones.
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References
1.
Hamdan, M., and Hunaiti, Y. (1991). “Factors affecting bond strength in composite columns.” Proc., 3rd Int. Conf. on Steel‐Concrete Composite Struct., ICCS‐3, Fukuoka, Japan, Conf. Committee of ICCS‐3, 213–218.
2.
Hunaiti, Y. M. (1991). “Bond strength in battened composite columns.” (1991). J. Struct. Engrg., ASCE, 117(3), 699–714.
3.
Virdi, K. S., and Dowling, P. J. (1980). “Bond strength in concrete‐filled steel tubes.” Proc. IABSE P‐33/80, International Association for Bridge and Structural Engrg., 125–139.
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Published In
Journal of Materials in Civil Engineering
Volume 6 • Issue 4 • November 1994
Pages: 469 - 473
Copyright
Copyright © 1994 American Society of Civil Engineers.
History
Received: Jul 7, 1993
Published online: Nov 1, 1994
Published in print: Nov 1994
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