School of Civil and Environmental Engineering

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Browsing School of Civil and Environmental Engineering by Author "Alexander, M.G."

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    Reflections on future needs in concrete durability research and development
    (2012-02-03) Ballim, Y.; Alexander, M.G.; Beushausen, H.D; Moyo, P.
    There is no doubt that, over the past two decades, we have made enormous advances in the understanding and practice of concrete durability. Spurred by the often experienced early deterioration of reinforced concrete structures, with high capital investment for repair and rehabilitation, conceptions of design for durability have gained an increasingly higher level of importance in recent years.
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    Reflections on future needs in concrete durability research and development.
    (CRC Press, Taylor & Francis Group, 2008) Ballim, Y.; Alexander, M.G.; Beushausen, H.D.; Moyo, P.
    There is no doubt that, over the past two decades, we have made enormous advances in the understanding and practice of concrete durability. Spurred by the often experienced early deterioration of reinforced concrete structures, with high capital investment for repair and rehabilitation, conceptions of design for durability have gained an increasingly higher level of importance in recent years. Durability design is beginning to be considered of equal importance as design for safety and serviceability. Nevertheless, durability concerns remain and early deterioration still attracts much expenditure. This paper is aimed at identifying important developments made in the field of concrete durability during the past two decades. Based on current design practice and current knowledge, future research and development needs are discussed, focusing on the influences of constituent materials, deterioration prevention methods, service life modelling of reinforced concrete structures, and performance-based test methods.