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Title: Application of waste ceramic powder as a cement replacement in reinforced concrete beams toward sustainable usage in construction
Authors: Aksoylu, Ceyhun
Öztiliç, Yasin Onuralp
Bahrami, Alireza
Yıldızel, Sadık Alper
Hakem, İbrahim Y.
Özdöner, Nebi
Başaran, Boğaçhan
Keywords: Ceramic powder
Flexural strength
Alkali-Activated Mortars
Issue Date: 2023
Publisher: ELSEVIER
Abstract: The main purpose of this study was to investigate the flexural behavior of reinforced concrete beams (RCBs) containing waste ceramic powder (CP) as partial replacement of cement. For this purpose, flexural tests were carried out using various amounts of mixing ratios. By determining the amount of CP utilized in the optimum ratios, it was aimed both to make predictions for design engineers and to show its beneficial effect on the environment by recycling the waste material. For this purpose, twelve specimens were produced and verified to monitor the flexural behavior. The longitudinal reinforcements percentage (0.77%, 1.21%, and 1.74%) and CP percentage (0%, 10%, 20%, and 30%) were chosen as the parameters. CP could be effectively used up to 10% of cement as a replacement material. Increasing the CP percentage by more than 10% could considerably reduce the load-carrying capacity, ductility, and stiffness of RCBs, specifically when the longitudinal reinforcements percentage was high. In other words, as CP increased from 0% to 30%, the load-carrying capacity decreased between 0.4% and 27.5% compared with RCBs with the longitudinal tension reinforcements of 2 phi 8 without CP. However, reductions of 5.5-39.8% and 2.15-39.5% in the load-carrying capacity occurred respectively compared with RCBs with the longitudinal tension reinforcements of 2 phi 10 and 2 phi 12 without CP. The achieved longitudinal reinforcements percentage was close to the balanced ratio, while more than 10% CP cannot be used without any precautions for mixtures.
ISSN: 2214-5095
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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