Experimental investigation of the flexural strength of 5D steel fibre reinforced concrete in comparison to steel rebar reinforce concrete in beams

Clayton, Kevin (2015) Experimental investigation of the flexural strength of 5D steel fibre reinforced concrete in comparison to steel rebar reinforce concrete in beams. MEng dissertation, University of Portsmouth.

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    Abstract

    Bekaert have developed a new fibre to address a weakness steel fibre reinforced concrete (SFRC) has. The fibres are stronger and have improved hooked ends to enhance their anchorage in concrete. This experiment focuses on this improvement to see if it enables the fibres to compete with longitudinal rebar reinforcement. To test their strength beams 150x200x1200mm are created and tested in a 3 point bending test. Longitudinal rebar reinforced beams are created for comparison.
    The results show that the 5D fibres provide more moment capacity than 3D fibres and close the gap between rebar reinforcement and SFRC when it comes to flexural strength. The 5D fibres also display strain hardening behaviour which is new for SFRC.
    The new 5D fibres from Bekaert are an improvement on previous fibres. Their strength isn’t enough to match longitudinal rebar reinforcement though.

    Item Type: Dissertation
    Departments/Research Groups: Faculty of Technology > School of Civil Engineering and Surveying
    Depositing User: Jane Polwin
    Date Deposited: 21 Oct 2015 16:08
    Last Modified: 21 Oct 2015 16:08
    URI: http://eprints.port.ac.uk/id/eprint/18577

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