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Tikrit Journal of Engineering Sciences (2011) 18(3) 23- 32
Influence of Cement Kiln Dust as Partial Replacement on some Properties of Ordinary and White Portland Cement
Salah Farhan A. Sharif, Department of Building and Construction Engineering-University of Technology, Iraq
Cement Kiln Dust (CKD) is produced as a solid waste with large quantities during manufacturing of Portland cement clinker. The possibility of utilizing CKD as partial replacement for Ordinary Portland Cement (OPC) and White Portland Cement (WPC) produced in factories of the Iraqi cement state company has been examined in this study to fulfil the environmental and economical aims. Different percentages of CKD were blended with OPC and WPC mixes. The results show that the amount of water for normal consistency were increased with about 39 % and 31 % for OPC and WPC blended with 25 % CKD. The setting time (initial and final) decreases with increasing percent of CKD added. Compressive strength decreases slightly with increasing CKD content up to 10 %. For 7- day curing time, it decreases 7 % and 9 % for OPC and WPC mixes, respectively. As percent of added CKD increases to more than 10 %, the compressive strength and other parameters where affected significantly. Overall results proved that OPC and WPC blended with up to 10 % CKD are admissible for passing relevant specification requirements.
Keywords: Cement kiln dust (CKD), Ordinary Portland cement (OPC), Wight Portland cement (WPC), Setting time, Compressive strength.
How to cite
TJES: Sharif SF. Influence of Cement Kiln Dust as Partial Replacement on some Properties of Ordinary and White Portland Cement. Tikrit Journal of Engineering Sciences 2011; 18(3): 23-32
APA: Sharif S. F., (2011). Gas Holdup and Liquid-Phase Dispersion in Packed Bubble Columns. Tikrit Journal of Engineering Sciences, 18(3), 23-32.