Environmental Benefits of Using Activated Sugarcane Bagasse Ash in Cementitious Materials

9 pages•Published: December 11, 2023

Veronica Torres, Monower Sadique and Paloma Pineda

Abstract

In this research, a comprehensive environmental-based approach is applied to evaluate the effectiveness of biomass ashes processing methods to produce cementitious materials. Efforts are put in research to obtain new low-carbon cementitious materials by incorporating waste, such as sugarcane bagasse ash (SCBA). Processing methods are commonly used to counteract the drawbacks linked to the nature of ashes and boost their benefits, but the energy needed to do this, can jeopardize their environmental interest and is commonly disregarded by researchers. This research investigates the benefits of processing SCBA by mechanical activation in the production of mortars and its environmental impact. It was found that treated ashes outperforms when substituting fine aggregates, increasing the compressive strength (CoS) of plain mortars by 62%. Despite the higher embodied carbon (EC) per cubic meter, treated SCBA in substitution of fine aggregates result in higher eco-strength efficiency, +32%. This enables the reduction of structural elements’ sections diminishing the material use and the ultimate EC, named in this research as specific embodied carbon, up to 40%.

Keyphrases: embodied carbon, mineral admixtures, service life, waste

In: Tom Leathem, Wes Collins and Anthony Perrenoud (editors). Proceedings of 59th Annual Associated Schools of Construction International Conference, vol 4, pages 723-731.

Links:	https://easychair.org/publications/paper/kL7k
	https://doi.org/10.29007/gs5q

BibTeX entry

@inproceedings{ASC2023:Environmental_Benefits_Using_Activated,
  author    = {Veronica Torres and Monower Sadique and Paloma Pineda},
  title     = {Environmental Benefits of Using Activated Sugarcane Bagasse Ash in Cementitious Materials},
  booktitle = {Proceedings of 59th Annual Associated Schools of Construction International Conference},
  editor    = {Tom Leathem and Wes Collins and Anthony Perrenoud},
  series    = {EPiC Series in Built Environment},
  volume    = {4},
  publisher = {EasyChair},
  bibsource = {EasyChair, https://easychair.org},
  issn      = {2632-881X},
  url       = {/publications/paper/kL7k},
  doi       = {10.29007/gs5q},
  pages     = {723-731},
  year      = {2023}}

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