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  1. Assessment of the effects of climate change on the performance of pavement subgrade

    Assessment of the effects of climate change on the performance of pavement subgrade

    Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: M.B. Mndawe --- Department of Civil Engineering, South Africa J.M. Ndambuki --- Department of Civil Engineering, South Africa W.K. Kupolati --- Department of Civil Engineering, South Africa A.A. Badejo --- Department of Civil Engineering, South Africa R. Dunbar --- Royal Haskoning DHV, South Africa
    This research investigated the effects of future climate change on pavement life in South Africa by simulating prolonged moisture presence in the pavement subgrade. The study was conducted on roads P435 and P443 within uMkhanyakude District Municipality. Climatic data were...
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  2. Plastic waste as strength modifiers in asphalt for a sustainable environment

    Plastic waste as strength modifiers in asphalt for a sustainable environment

    Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Adedayo A. Badejo --- Department of Civil Engineering, Nigeria Adebola A. Adekunle --- Department of Civil Engineering, Nigeria Olusola O. Adekoya --- Department of Civil Engineering, Nigeria Julius M. Ndambuki --- Department of Civil Engineering, South Africa Kehinde W. Kupolati --- Department of Civil Engineering, South Africa Babatunde S. Bada --- Department of Environmental Management and Toxicology, Nigeria David O. Omole --- Department of Civil Engineering, Nigeria
    This research took the form of an investigation into the applicability of polyethylene terephthalate (PET) as strength modifiers in asphalt road construction. Samples of thoroughly washed, naturally dried and shredded PET wastes were collected. The optimum binder content (OBC) of...
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