The use of waste materials as a cement blend for developing concrete
J. SULE, O.A. EJEMBI, A.O. SHAIBU, S.K. BONIFACE
Abstract. The use of Supplementary Cementitious Materials (SCMs) to offset a portion of cement is a promising alternative for the production of eco-friendly mortar. Several industrial by products have been used successfully as SCMs, however, waste glass and recycled brick waste has not yet achieved commercial success. The objective of this study is to develop blended concrete from local wastes; waste glass and recycled burnt brick as a consequence of the ‘zero waste’ objective of circular economy. Portland cement was substituted with 10-40% by mass, with finely dispersed waste glass and recycled burnt brick powder in the production of concrete at standard curing and using hand mixing. Physical properties of the local waste were investigated, X-ray Fluorescence (XRF) and X-ray Diffraction (XRD) analysis was also conducted to characterize the chemical and mineralogical composition of these wastes. The compressive strength of the developed blended concrete, was also investigated experimentally. It was evident that all hydrated materials (blended concrete samples) displayed increasing compressive strength with curing age. It further shows that glass develops steady but gradual strength. A 20% replacement of Portland cement with waste glass and recycled burnt brick have compressive strength comparable to the control and found convincing for structural application considering environment and cost. It is concluded that waste glass and recycled burnt brick can be an effective measure in sustainable development of cement blend for developing concrete.
Keywords
Waste Glass, Recycled Brick Waste, Portland Cement, Compressive Strength, Sustainable
Published online 3/25/2025, 10 pages
Copyright © 2025 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: J. SULE, O.A. EJEMBI, A.O. SHAIBU, S.K. BONIFACE, The use of waste materials as a cement blend for developing concrete, Materials Research Proceedings, Vol. 51, pp 146-155, 2025
DOI: https://doi.org/10.21741/9781644903537-17
The article was published as article 17 of the book Advances in Cement and Concrete
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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