PARTIAL REPLACEMENT OF CEMENT WITH FLY ASH TO PRODUCE ENVIRONMENTAL FRIENDLY CONCRETE

Ali Hassan (), Muhammad Tariq Ali, Muhammad Zain Abdullah, Fahad Ali and Muhammad Arif
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Ali Hassan: Department of Civil Engineering, The Islamia University of Bahawalpur, Bahawalpur
Muhammad Tariq Ali: Department of Civil Engineering, The Islamia University of Bahawalpur, Bahawalpur
Muhammad Zain Abdullah: Department of Civil Engineering, The Islamia University of Bahawalpur, Bahawalpur
Fahad Ali: Department of Civil Engineering, The Islamia University of Bahawalpur, Bahawalpur
Muhammad Arif: Department of Civil Engineering, The Islamia University of Bahawalpur, Bahawalpur

Pakistan Journal of Geology (PJG), 2023, vol. 7, issue 1, 32-39

Abstract: The rapid increase in industrial and agricultural waste poses ecological risks and threatens vital resources. To mitigate greenhouse gas emissions, global efforts promote alternative cementing materials. Fly ash, a byproduct of coal combustion, offers a viable substitute for cement in structural concrete. This study comprehensively analyzes fly ash’s impact on concrete properties. Various fly ash replacement percentages were investigated through curing at 28 and 56 days. Testing revealed that 15% fly ash replacement yielded the highest compressive strength (3699 psi), signifying an optimal replacement level. Ultrasonic pulse velocity testing indicated a proportional decrease in concrete quality as the replacement percentage increased.

Keywords: ecological risks; coal combustion; Ultrasonic pulse (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnpjg:v:7:y:2023:i:1:p:32-39

DOI: 10.26480/pjg.01.2023.32.39

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