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International Journal of Engineering، جلد ۳۴، شماره ۶، صفحات ۱۳۹۰-۱۳۹۷
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عنوان انگلیسی Flexural Performance of Fibre Reinforced Concrete with an Optimised Spirally Deformed Steel Fibre
چکیده انگلیسی مقاله In this paper, the flexural performance of Fibre Reinforced Concrete (FRC) with an optimised spirally deformed steel fibre developed by the authors is evaluated experimentally. For comparison purposes, concrete specimens with commercially available steel fibres (hooked-end and crimped) are tested and included in the study. The experiment parameters include two different matrices with 28-day compressive strengths of 35 MPa and 45 MPa and four fibre volume contents (0.2%, 0.35%, 0.5%, and 0.65%). Besides, specimens with plain concrete are also tested as reference. Findings of the research indicate that the spirally deformed steel fibre considerably enhances flexural characteristics of concrete compared with existing fibres on the market (hooked-end and crimped) where the deflection-hardening response (even at the presence of wide cracks) can also be achieved even with low fibre dosages common in practice. Therefore, such a composite, i.e. concrete reinforced with spirally deformed steel fibre, can be deemed as a structural material.
کلیدواژه‌های انگلیسی مقاله Fibre Reinforced Concrete,Flexural Performance,Optimised spirally deformed steel fibre,Deflection-hardening response
نویسندگان مقاله M. Hajsadeghi |
School of Engineering, University of Liverpool, The Quadrangle, Brownlow Hill L69 3GH, UK

M. Jalali |
Faculty of Civil Engineering, Shahrood University of Technology, Shahrood, Iran

C. Seong Chin |
Department of Civil Engineering, Xian Jiaotong-Liverpool University, Suzhou Industrial Park, Jiangsu Province, China

T. Zirakian |
Department of Civil Engineering and Management, California State University Northridge, USA

M. Bahrebar |
Department of Civil Engineering and Management, The University of Auckland, Auckland, New Zealand

نشانی اینترنتی https://www.ije.ir/article_130901_0a25929a921c35c9647e5179c9860a2a.pdf
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