Enhancing Concrete Performance through Sustainable Utilization of Class-C and Class-F Fly Ash: A Comprehensive Review

Zehra Funda Akbulut (), Demet Yavuz, Taher A. Tawfik, Piotr Smarzewski () and Soner Guler
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Zehra Funda Akbulut: Department of Mining Engineering, Faculty of Engineering, University of Van Yüzüncü Yıl, Van 65080, Turkey
Demet Yavuz: Department of Civil Engineering, Faculty of Engineering, University of Van Yüzüncü Yıl, Van 65080, Turkey
Taher A. Tawfik: Institute of Construction and Architecture, Slovak Academy of Sciences, Dúbravská cesta 9, SK-845 03 Bratislava, Slovakia
Piotr Smarzewski: Faculty of Civil Engineering and Geodesy, Military University of Technology, 00-908 Warsaw, Poland
Soner Guler: Department of Civil Engineering, Faculty of Engineering, University of Van Yüzüncü Yıl, Van 65080, Turkey

Sustainability, 2024, vol. 16, issue 12, 1-20

Abstract: Integrating class-C and class-F fly ash (FA) as supplementary cementitious materials (SCMs) in concrete offers a promising pathway for sustainable construction practices. This study explores the pivotal role of FA in reducing carbon dioxide (CO 2 ) emissions and improving concrete’s durability and mechanical properties through a comprehensive life cycle analysis (LCA). By blending FA with cement, significant reductions in CO 2 emissions are achieved, alongside enhancements in the workability, compressive strength, and permeability resistance of the concrete matrix. This research elucidates the pozzolanic reaction between FA and calcium hydroxide (CH) during cement hydration, highlighting its contribution to concrete strength and durability. Through a range of comprehensive analysis techniques, including mechanical testing and environmental impact assessment, this study demonstrates the substantial benefits of prioritizing the utilization of class-C and class-F FA in sustainable construction. The findings underscore the industry’s commitment to environmentally conscious practices, promoting structural integrity and reducing ecological impacts. Overall, this research emphasizes class-C and class-F FA as critical components in achieving sustainable construction goals and advancing towards a more environmentally responsible built environment.

Keywords: sustainable cementitious materials; fly ash; CO 2 emissions reduction; sustainability in construction (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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