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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Experimental and numerical study on the use of high-strength and ultra-high-performance fibre-reinforced concrete in columns
Author(s): Dario Redaelli; Ana Spasojevic; Aurelio Muttoni
Publication: Special Publication
Appears on pages(s): 193-202
Keywords: Columns, HSFRC, UHPFRC, tests, modelling.
Abstract:High-strength concrete (HSC) is commonly used for columns that need to withstand significant compressive forces and bending moments. However, the brittleness that characterized HSC behaviour negatively affects the ultimate strength and ductility of columns. Thanks to fibres, high-strength fibre-reinforced concrete (HSFRC) and ultra-highperformance
fibre-reinforced concrete (UHPFRC) have a rather ductile behaviour in tension and compression and may be used to improve the structural response of highly stressed columns, thus leading to thinner sections and a reduction of ordinary reinforcement. This paper presents the results of a preliminary test campaign on HSFRC and UHPFRC columns under bending with normal force. Several arrangements of ordinary reinforcement were tested, including columns without any longitudinal or transversal reinforcement. The observed
behaviour is interpreted by means of a mechanical model. Based on test results and parametrical analysis, the contribution of fibres to the structural response and the possibility to replace ordinary reinforcement with fibres are discussed.
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