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Browsing by Author "Mokoena, Refiloe"

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Adapting asphalt pavements to climate change challenges

Author: Mokoena, Refiloe ; Mturi, Georges AJ ; Maritz, Johan ; Malherbe, Johan ; O'Connell, Johannes S Date: Oct 2019 Performance grade specifications for bituminous binders focus on the evaluation of bitumen properties based on the loading and environmental conditions under which the material will be subjected to in the field. The temperature of the asphalt ... Read more
African case studies: Developing pavement temperature maps for performance-graded asphalt bitumen selection

Author: Mokoena, Refiloe ; Mturi, George AJ ; Maritz, Johan ; Mateyisi, Mohau ; Klein, Pieter Date: Jan 2022 The 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
The Circular Economy as Development Opportunity: Exploring Circular Economy Opportunities across South Africa’s Economic Sectors

Author: Godfrey, Linda K ; Nahman, Anton ; Oelofse, Suzanna HH ; Trotter, Douglas ; Khan, Sumaya ; Nontso, Zintle ; Magweregwede, Fleckson ; Sereme, Busisiwe V ; Okole, Blessed N ; Gordon, Gregory ER ; Brown, Bernadette ; Pillay, Boyse ; Schoeman, Chanel ; Fazluddin, Shahed ; Ojijo, Vincent O ; Cooper, Antony K ; Kruger, Daniel M ; Napier, Mark ; Mokoena, Refiloe ; Steenkamp, Anton J ; Msimanga, Xolile P ; North, Brian C ; Seetal, Ashwin R ; Mathye, Salamina M Date: Dec 2021 The intention of this book is to present the CSIR’s position and interpretation of the circular economy, and to use it to drive discussions on where immediate circular economy opportunities are achievable in South Africa. Opportunities that ... Read more
Compressive strength of a concrete mix for pavement blocks incorporating industrial by-product

Author: Mokoena, Refiloe ; Mgangira, Martin B Date: Jul 2017 Concrete block paving for roads has been proposed as part of a concept on sustainable infrastructure. In an effort to respond to sustainability and environmental awareness, the use of industrial by-products has been employed in the mix design ... Read more
Design and construction of sustainable climate resilient rural access road infrastructures

Author: Komba, Julius J ; Langa, R ; Paige-Green, P ; Verhaeghe, Benoit MJA ; Mokoena, Refiloe Date: Dec 2021 The 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
The influence of ballast fouling on track settlement

Author: Rampersad, Ashiel ; George, Theresa B ; Mokoena, Refiloe ; Mgangira, Martin B ; Gräbe, PJ Date: Jul 2018 The contamination of railway ballast (referred to as ballast fouling) is commonly caused by ballast particle degradation, external debris fouling due to surface spillage and clay fouling due to subgrade pumping. Intrusion of these fines in ... Read more
Investigating the use of isothermal calorimetry for predicting physical properties of cements

Author: Mokoena, Refiloe ; Motau, T ; Mturi, George AJ Date: Sep 2021 Isothermal 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
Laboratory investigation on using coal ash as selected formation layer in a railway track substructure

Author: Mokoena, Refiloe ; Mvelase, Gculisile M Date: Oct 2019 The study presented in this paper aims to promote the use of coal ash in railway infrastructure as a more economical and sustainable material. The study serves as a preliminary investigation on using coal ash as one of the structural layers ... Read more
Quantifying the environmental impacts of a sustainable concrete mix for a block paving system

Author: Dumani, Nozonke ; Mokoena, Refiloe ; Mgangira, Martin Date: Jan 2024 A 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

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Browsing by Author "Mokoena, Refiloe"

Browsing by Author "Mokoena, Refiloe"

Browse

All of ResearchSpace

Quick Links

Legislation and compliance

General Enquiries

Social Connect