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CLC number: TU502+.3; TU528.57

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Received: 2006-02-28

Revision Accepted: 2006-03-20

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.8 P.1329~1335

http://doi.org/10.1631/jzus.2006.A1329


Flexural fatigue strength of steel fibrous concrete containing mixed steel fibres


Author(s):  SINGH S.P., MOHAMMADI Y., MADAN S.K.

Affiliation(s):  Civil Engineering, National Institute of Technology, Jalandhar 144 011, India; more

Corresponding email(s):   spsingh@nitj.ac.in

Key Words:  Fatigue strength, Static flexural strength, Stress level, Stress ratio, Steel fibre reinforced concrete (SFRC)


SINGH S.P., MOHAMMADI Y., MADAN S.K.. Flexural fatigue strength of steel fibrous concrete containing mixed steel fibres[J]. Journal of Zhejiang University Science A, 2006, 7(8): 1329~1335.

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author="SINGH S.P., MOHAMMADI Y., MADAN S.K.",
journal="Journal of Zhejiang University Science A",
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doi="10.1631/jzus.2006.A1329"
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T1 - Flexural fatigue strength of steel fibrous concrete containing mixed steel fibres
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A1 - MADAN S.K.
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.A1329


Abstract: 
This paper reports investigation conducted to study the fatigue performance of steel fibre reinforced concrete (SFRC) containing fibres of mixed aspect ratio. An extensive experimental program was conducted in which 90 flexural fatigue tests were carried out at different stress levels on size 500 mm×100 mm×100 mm SFRC specimens respectively containing 1.0%, 1.5% and 2.0% volume fraction of fibres. About 36 static flexural tests were also conducted to determine the static flexural strength prior to fatigue testing. Each volume fraction of fibres incorporated corrugated mixed steel fibres of size 0.6 mm×2.0 mm×25 mm and 0.6 mm×2.0 mm×50 mm in ratio 50:50 by weight. The results are presented both as S-N relationships, with the maximum fatigue stress expressed as a percentage of the strength under static loading, and as relationships between actually applied fatigue stress and number of loading cycles to failure. Two-million-cycle fatigue strengths of SFRC containing different volume fractions of mixed fibres were obtained and compared with plain concrete.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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