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:Rust, FC; Sono, P; Van Dijk, G G; Fourie, H; Smit, Michelle ADate:Sep 2021In low-income countries Research and Development funding is limited and has to be invested with a view of optimum return, both economic return but also “softer” benefits such as human resource development. The assessment of these benefits is ...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:Walubita, LF; Ling, M; Fuentes, L; Komba, Julius J; Mabrouk, GMDate:Sep 2022Asphalt binder is one of the key constitutive components of hot-mix asphalt (HMA) that considerably affects its rutting performance. In particular, the high-temperature rheological properties measured from the multiple stress creep and recovery ...Read more
Author:Komba, Julius J; Langa, R; Paige-Green, P; Verhaeghe, Benoit MJA; Mokoena, RefiloeDate:Dec 2021The chapter is organized and structured as follows; the introduction section is followed by an overview of climate change-related challenges affecting Mozambique. The study methodology (approach) is then described, followed by a discussion ...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:Smit, Michelle A; Akhalwaya, Imraan; Rust, FCDate:Jul 2021The South African road network is severely impacted by the high costs associated with upgrading, maintaining and constructing road infrastructure in conjunction with the shortage of good quality construction materials. The Council for Scientific ...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:Smit, Michelle A; Akhalwaya, Imraan; Rust, FC; Ramdas, VesharaDate:Jul 2022The growing concern over climate change has led the drive for the development of alternative building materials in several industries, including road construction. Bio-based construction, using Microbial Induced Calcium Carbonate Precipitation ...Read more
Author:Dumani, Nozonke; Mokoena, Refiloe; Mgangira, MartinDate:Jan 2024A sustainable concrete mix design, incorporating industrial by-products: fly ash and recycled plastic pellets, was developed, and optimized through laboratory performance-based testing trials. The primary objective of this investigation was ...Read more
Author:Rust, FC; Wall, K; Smit, Michelle A; Amod, SDate:Jun 2021The South African Institution of Civil Engineering (SAICE) Infrastructure Report Cards of 2006, 2011 and 2017 reported that much of the South African infrastructure is in a poor condition. To augment the recent 2017 Report Card, a survey was, ...Read morecbnd
Author:Rampersad, Ashiel; Mvelase, Gculisile MDate:Dec 2021The western cape government reported an annual mean near-surface (2m) temperature (°C) change from the median and the 10% and 90% percentiles projected for 2036 – 2065 and 2066 – 2095. Across most of the country, model-simulated rainfall is ...Read more