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Self-Compacting Concrete Containing Agricultural Waste Ashes: A Sustainable Alternative Binder Approach

  • Unique Paper ID: 181904
  • Volume: 12
  • Issue: 2
  • PageNo: 167-170
  • Abstract:
  • Traditional cement production techniques are associated with the aggravating issues of the climate crisis and pollution. This has raised the need to explore more sustainable methods in concrete technology. There is an increasing interest in using byproducts like Sugarcane Bagasse Ash (SBA), Rice Husk Ash (RHA), Fly Ash (FA), and Bottom Ash as pozzolans or fine aggregates in Self-Compacting Concrete (SCC). This review focuses on the most recent research on the use of these byproducts for producing eco-friendly SCC with improved structural and mechanical properties as well as enhanced durability. Research indicates that siliceous ash agricultural residues, especially those high in pozzolanic silica, offer enhanced compressive strength, improved durability and microstructure, while also reducing material expenses and carbon emissions. However, the most cost-effective replacement rate varies with ash type; yet, Sugarcane Bagasse Ash and Rice Husk Ash are viable up to 15-30% replacement. Additionally, the strength of the blends increases with the addition of industrial byproducts, such as GGBFS cement. Other research indicates that replacing fine aggregates with waste ash aggregates significantly reduces the reliance on natural river sand. The ashes make an effective and worthwhile SCC binder as well as aggregate substitutes, with their fresh properties of flowability and segregation resistance meeting EFNARC standards. Evaluation of microstructure shows spatial permeability of interfacial transition zones, which contributes to an increase in chemical resistance damage, thus lessening permeability. The comprehensive findings support substituting ash from agricultural and industrial wastes for SCC binders and aggregates, which incorporate these materials, advancing the circular economy approach and modern construction techniques with economic and ecological benefits.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 12
  • Issue: 2
  • PageNo: 167-170

Self-Compacting Concrete Containing Agricultural Waste Ashes: A Sustainable Alternative Binder Approach

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Impact Factor
8.01 (Year 2024)
UGC Approved
Journal no 47859

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