Experimental investigation of concretes based on residual biomass ash from ceramic industry ovens
DOI:
https://doi.org/10.46421/enarc.v9i1.6729Keywords:
Supplementary cementitious materials, Special concretes, Biomass ash, Ceramic industryAbstract
Portland cement, one of the most consumed materials in the world, is responsible for approximately 8% of carbon dioxide (CO2) emissions into the atmosphere. In view of this, researchers have been seeking sustainable alternatives to minimize this environmental impact. Supplementary cementitious materials (SCM) have been the subject of numerous studies due to their potential for sustainability in reducing the consumption of Portland cement. In view of this, this study aims to analyze the replacement of 5% and 10% of residual biomass ash (RBA) by Portland cement in conventional concretes. Consistency, compressive strength and volumetric electrical resistivity tests were performed. The concrete had an increase in workability of 72.72% with the replacements. With 5% replacement, there was an improvement in electrical resistivity of 20.95% and a reduction of 13.67% in compressive strength at 28 days, demonstrating that RBA is a viable and sustainable alternative for concrete production.
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