Valorization of Sugarcane Bagasse Ash as an Alternative SCM: Effect of Particle Size, Temperature-Crossover Effect Mitigation & Cost Analysis

Vito Francioso (), Erika D. Lemos-Micolta, Husam H. Elgaali, Carlos Moro, Manuel Alejandro Rojas-Manzano and Mirian Velay-Lizancos
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Vito Francioso: Department of Civil, Environmental and Sustainable Engineering, Santa Clara University, Santa Clara, CA 95053, USA
Erika D. Lemos-Micolta: Lyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA
Husam H. Elgaali: Lyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA
Carlos Moro: Department of Engineering Technology, Texas State University, San Marcos, TX 78666, USA
Manuel Alejandro Rojas-Manzano: Department of Civil and Industrial Engineering, Pontifical Xavierian University of Cali, Cali 760031, Colombia
Mirian Velay-Lizancos: Lyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA

Sustainability, 2024, vol. 16, issue 21, 1-17

Abstract: The construction industry faces increasing pressure to reduce its environmental impact while meeting the growing demand for infrastructure. One approach to achieving this goal is the use of industrial waste as a replacement for traditional supplementary cementitious materials (SCMs). This study investigates sugarcane bagasse ash (SCBA), addressing the future scarcity and increased cost of other commonly used SCMs. Despite existing literature, the use of SCBA is hindered by several unknowns. This research evaluates SCBA’s performance in mortars, focusing on the effects of curing temperature and particle size variation. Mortar samples were prepared with SCBA replacements from 0% to 30% by mass of cement and cured at 21 °C and 45 °C for 7, 28, and 90 days. The results suggest potential for SCBA replacement up to 30%, emphasizing its sustainability and economic benefits. A cost analysis was also conducted, demonstrating the economic viability of SCBA as an alternative to traditional cement for practical applications.

Keywords: sugarcane bagasse ash; cement mortar; curing temperature; crossover effect; strength activity index; supplementary cementitious materials (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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