The Effect of Tunçbilek Thermal Power Plant Waste Fly Ash on Mechanical Properties of Portland Cement

Year 2024, Volume: 7 Issue: 2, 39 - 60, 27.12.2024

Ahman Hosseinpour Sheikhrajab , Ahmet Erdal Osmanlioglu

https://doi.org/10.38061/idunas.1436316

Abstract

Cement production incorporates pozzolanic materials, with fly ash being a common waste utilized for its pozzolanic properties. Using fly ash has positive or negative effects on the cement, especially its physical and mechanical properties. In this study, the effect of substituting fly ash, a waste product from Tunçbilek thermal power plant, one of the significant Turkish power plants, instead of cement at 5%, 10%, 15%, 30%, and 50% weight on unit weight, 2-, 7-, and 28-days compressive strength, 28-day ultrasonic property, and 150-day porosity of cement has been investigated. Resultantly, compared to the Portland cement a decrease was determined in unit weight, ultrasonic property and 2-, 7- and 28-days compressive strength. Conversely, an increase was observed in porosity. According to the obtained results and the standard number EN 197-1, the compressive strength of the samples with 5%, 10% and 15% fly ash are between standard values.

Keywords

fly ash, cement, compressive strength, porosity

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