How the impact resistance of concrete is affected by a variety of different aggregate mixtures

Curry, Natasha (2016) How the impact resistance of concrete is affected by a variety of different aggregate mixtures. MEng dissertation, University of Portsmouth.

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    Abstract

    This research project investigates how the impact resistance of concrete is affected by different mixtures, using a self-constructed test that mimics the principles of a drop-weight impact machine under dynamic loading. The six mixes themselves are a variation of concrete with waste rubber tyres, fine recycled glass and steel fibre which has been left in the curing tank for ninety days. The results are collected by using MMA7361 accelerometers and Arduino software, these results are analysed by evaluating how the toughness of concrete compare to each mix if a fast-response loading would occur.
    This project also reviews current literature regarding the toughness of concrete with relevant aggregates and the different types of tests that have been carried out in the past to assess the impact of concrete. It also consists of a repeatable experiment setup.
    From the results, the concrete mix with steel-fibre, rubber and glass in it is the most impact resistant from dynamic loading. The results also show that concrete with steel fibre reinforcement is significantly tougher than concrete without it, regardless of other aggregate extras.

    Item Type: Dissertation
    Departments/Research Groups: Faculty of Technology > School of Civil Engineering and Surveying
    Depositing User: Beth Atkins
    Date Deposited: 01 Sep 2016 10:23
    Last Modified: 01 Sep 2016 10:23
    URI: http://eprints.port.ac.uk/id/eprint/21655

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