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Abstract
This work investigated the effects of fibre type, dosage and maximum aggregate size on the mechanical behaviour of concrete reinforced with steel fibres. Hooked-end steel fibres with 50 mm and 60 mm length and aspect ratios (length/diameter) of 45, 65 and 80 were used with maximum sizes of coarse aggregate of 10 mm and 20 mm. The same mix proportions of concrete were used throughout the investigation. Flexural testing of 600 mm square panels was performed. Subsequently, cores were taken from these panels and X-ray computed tomography was used to analyse the positioning of fibres in hardened concrete. The experimental results show that the performance of steel fibre reinforced concrete improved drastically when compared to plain concrete without fibres. Longer, thinner fibres and smaller aggregates were noted to give the best results.
Original language | English |
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Pages (from-to) | 193-198 |
Journal | Advances in Applied Ceramics |
Volume | 116 |
Issue number | 4 |
Early online date | 10 Feb 2017 |
DOIs | |
Publication status | Published - 3 Apr 2017 |
Keywords
- concrete
- steel fibres
- flexural properties
- X-ray CT
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2D and 3D Voxel based Feature Extraction
Chiverton, J., Vuksanovic, B. & Sanders, D.
20/04/16 → …
Project: Research
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Multiscale Feature Descriptors and Extraction
Chiverton, J., Sanders, D. & Vuksanovic, B.
20/04/16 → …
Project: Research
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3D Image Feature Extraction and Characterisation of Fibres in Steel Fibre Reinforced Concrete
Chiverton, J., Barnett, S. & Ige, O.
8/04/15 → 2/02/17
Project: Research