Steel fibre reinforced concrete (SFRC) has been gaining popularity in load-carrying members because of its positive contribution to both concrete strength and energy absorption capacity. This paper presents both experimental and theoretical study of the fibre reinforcing effect on the concrete failure mechanism. The compression/shear tests of cubic steel fibre reinforced concrete specimens with fibre volume fractions of 0%, 1·5% and 3% are conducted in the wedge shear apparatus. Their failure patterns are analysed at macro- and meso-scale levels. Subsequently, these experimental data are analysed by a twin-shear strength theory. One concise compression/shear failure criterion is then developed for SFRC. It is found that the predicted results by this criterion agree well with those by experiments. Finally, the changes of concrete twin-shear strength parameters with the fibre volume fraction are explored.
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November 2011
Research Article|
November 01 2011
Study on behaviour and strength of SFRC under combined action of compression and shear
Zhiliang Wang;
Zhiliang Wang
Professor, Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, PR China and School of Civil Engineering, Tongji University, PR China
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Dong Yang;
Dong Yang
PhD candidate, School of Civil Engineering of Education, Tongji University, Shanghai, PR China
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Jianguo Wang
Jianguo Wang
Assistant Professor, School of Mechanical and Chemical Engineering, The University of Western Australia, Crawley, Australia
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Publisher: Emerald Publishing
Revision Received:
August 01 2010
Revision Requested:
March 04 2011
Accepted:
March 15 2011
Online ISSN: 1751-763X
Print ISSN: 0024-9831
ICE Publishing: All rights reserved
2011
Magazine of Concrete Research (2011) 63 (11): 829–836.
Article history
Revision Received:
August 01 2010
Revision Requested:
March 04 2011
Accepted:
March 15 2011
Citation
Wang Z, Yang D, Wang J (2011), "Study on behaviour and strength of SFRC under combined action of compression and shear". Magazine of Concrete Research, Vol. 63 No. 11 pp. 829–836, doi: https://doi.org/10.1680/macr.2011.63.11.829
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