Authors
1
Department of Civil Engineering, College of Engineering, University of Sulaimani, Sulaymaniyah, Iraq
2
Engineering Department, Unisversity of Sulaimani, Sulaimanya, Iraq
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Document Type : Research Article
Abstract
The cement industry remains a crucial sector despite advancements in science and industry. However, the production of cement generates substantial byproducts, including Cement Kiln Dust (CKD), leading to environmental concerns. This study aims to evaluate the impact of CKD on the mechanical properties of concrete. The investigation includes properties such as slump, compressive strength, and flexural strength. The research fills existing knowledge gaps and provides insights into the benefits and limitations of incorporating CKD in concrete mixtures. The results indicate that increasing CKD content reduces slump and workability. Optimal CKD replacement percentages of 15% at 7 days and 10% at 28 days yield satisfactory compressive strength. Additionally, the flexural strength decreases by 5.3% with a 10% cement replacement. Empirical equations based on literature data demonstrate a correlation between CKD content and predicted strength values. These equations serve as a practical tool for estimating concrete properties with varying CKD percentages. This research contributes to sustainable construction practices by providing insights into CKD utilization and promoting environmentally friendly practices.
Keywords
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Cement kiln dust (CKD),,
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,،Concrete,,
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,،Mechanical properties,,
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,،Modeling,,
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,،Statical Analysis
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