Ultrasonic Properties of Fly Ash CompositesJournal: International Research Journal of Advanced Engineering and Science (IRJAES) (Vol.2, No. 1)
Publication Date: 2017-01-04
Authors : Banita Behera;
Page : 190-193
Keywords : Fly ash; mine overburden; ultrasonic pulse velocity; lime; curing; composites;
This paper reports the results of the study conducted to evaluate the influence of fly ash and mine overburden stabilized with lime on the Ultrasonic pulse velocity (UPV). In this investigation a varying percentage of lime 2%, 3%, 6% and 9% were used in preparing the fly ash-overburden composites. Ultrasonic pulse velocity tests were conducted at 7, 14, 28 and 56 days cured samples. P wave velocities were obtained at 7, 14, 28 and 56 days curing ranged from 797 to 1170 m/s, 1012 to 1350 m/s, 1057 to 1553 m/s and 1187 to 1699 m/s respectively. There was a continuous increase in the UPV with time for all the composites. Addition of lime improved the pulse velocity of fly ash composites.
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