Author:Mokoena, Refiloe; Mturi, George AJ; Maritz, Johan; Mateyisi, Mohau; Klein, PieterDate:Jan 2022The reliable performance of roads is crucial for service delivery, and it is a catalyst for domestic and cross-border spatial development. Paved national roads are expected to carry higher traffic volumes over time as a result of urbanization ...Read more
Author:Grobler, J; Harding, KG; Smit, Monique; Ramchuran, Santosh O; Durand, P; Low, MDate:Sep 2021In this study, a South African indigenous microalga Acutodesmus bajacalifornicus was evaluated in different cultivation media. Eleven potential cultivation media were identified and tested on A. bajacalifornicus, a potential source for biodiesel ...Read more
Author:Horak, E; Komba, Julius J; Maina, J; Sebaaly, H; Muller, JDate:Mar 2022Contiguous aggregates are aggregate sizes that consecutively follow a typical aggregate grading curve. Porosity calculation is possible for a binary or longer ranges of contiguous aggregates. Porosity is a fundamental density indicator and ...Read more
Author:Walubita, LF; Mahmoud, E; Fuentes, L; Prakoso, A; Lee, SI; Souliman, M; Komba, Julius JDate:Nov 2020Asphalt-binders are part of the key material constituents affecting the performance of hot-mix asphalt (HMA), and ultimately, the field performance of flexible pavement structures. Quite often, it is desired/useful to predict the HMA permanent ...Read more
Author:Xungu, Sipho; Mgangira, Martin B; Giani, John CDate:Nov 2021This paper describes the design and manufacturing of a mechanical system, the Aggregate Abrasion Test Device (AATD), which comprises of a rolling model drum, with the purpose of obtaining experimental data that is subsequently used to quantify ...Read more
Author:Yao, K; Zhenyu, M; Komba, JuliusDate:Jul 2021This book presents the advancements in the field of sustainable materials in pavement engineering and related geotechnical engineering issues and sheds light on recent developments and advancements in characterization, design, construction, ...Read more
Author:Mokoena, Refiloe; Motau, T; Mturi, George AJDate:Sep 2021Isothermal calorimetry is a useful technique for studying the cement hydration process that measures the heat flow of cement paste during hydration. Standard cement properties, such as compressive strength, setting times and compatibility can ...Read more
Author:George, Theresa B; Anochie-Boateng, Joseph; Jenkins, KJDate:Sep 2020In South Africa research is currently under way to determine the suitability of using locally available recycled crushed glass as a partial fine aggregate substitute in the production of asphalt mixes. This paper characterises the laboratory ...Read more
Author:Rust, FC; Sampson, LR; Cachia, AA; Verhaeghe, Benott MJ; Fourie, HS; Smit, Michelle ADate:Nov 2023Background: In view of limited funding, research and development (R&D) investment needs to be optimised for future impact. Road transport R&D is complex and vary from road materials, design and traffic control to safety. Objectives: Future ...Read more
Author:Rampersad, Ashiel; Mvelase, Gculisile MDate:Jun 2021The Intergovernmental Panel on Climate Change (2018) projects that global warming is likely to reach 1.5°C above pre-industrial levels between 2030 and 2052. The effect of climate change on warmer temperatures and longer lasting drought periods ...Read more
Author:Rust, FC; Van Dijk, G; Fourie, HS; Smit, Michelle ADate:Dec 2021Investment in Research and Development (R&D) is scrutinised where funding is limited such as in developing counties. There is therefore an increased emphasis on benefit and impact assessment tools and systems for such R&D programmes. In sectors ...Read more