Issue |
MATEC Web Conf.
Volume 364, 2022
International Conference on Concrete Repair, Rehabilitation and Retrofitting (ICCRRR 2022)
|
|
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Article Number | 05008 | |
Number of page(s) | 6 | |
Section | Developments in Concrete Material Technology, Assessment and Processing | |
DOI | https://doi.org/10.1051/matecconf/202236405008 | |
Published online | 30 September 2022 |
Application of mine tailings sand as construction material – a review
1
Civil Engineering, Durban University of Technology, Pietermaritzburg, South Africa
2
School of Civil Engineering and Environmental Engineering, University of Witwatersrand, Johannesburg, South Africa
* Corresponding author: JacobI@dut.ac.za
Tailings are found during the exploration and processing of mineral ores. They contain a mixture of grounded rocks, processed effluent, and some trace elements that have the potential to damage the environment. Recent urbanisation has led to a large stockpile of tailings in many mining environment constituting health hazard. It becomes very important to develop disposal techniques that will reduce the huge mountain of tailings in mining environment. One of such method is the application of tailings in sustainable concrete production. It is shown that physical and chemical characteristics of tailings are comparable to crusher sand used in engineering construction and therefore, tailings can be used to partially replace sand in bituminous and concrete mixtures. In this review, specific interest has been given to iron, copper, and gold tailings, this is due to their dominance in mining areas of Kwa-Zulu Natal province of South Africa.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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