Affiliation:
1. School of Architecture, Soongsil University, Sangdo-dong, Dongjak-gu, Seoul, Korea
Abstract
In this study, the flexural behaviour of amorphous metal-fibre-reinforced concrete is experimentally investigated. These fibres are thinner than conventional steel fibres, and they have a coarser surface and increased flexibility. Flexural tests according to ASTM C 1609 are performed. Primary parameters are fibre length (5, 15 and 30 mm), fibre type (amorphous metal fibres (types I and II) as opposed to conventional steel fibres), fibre volume fraction (0·25, 0·5, 0·75, 1·0 and 1·5%) and concrete compressive strength (27 and 50 MPa). The equivalent flexural strength and flexural toughness of amorphous metal fibres and conventional steel fibres are investigated and compared. From the test results, it is found that the amorphous metal fibres increase both the flexural strength and the flexural toughness according to fibre volume fraction, whereas conventional steel fibres increase the flexural toughness only.
Subject
Building and Construction,Civil and Structural Engineering
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