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E-Journal of Chemistry
Volume 6, Issue 1, Pages 231-236

Dielectric Study on Fly Ash Blended Cement

G. Sivakumar,1 K. Mohanraj,2 and S. Barathan2

1Centralised Instrumentation and Service Laboratory (CISL), Annamalai University, India
2Department of Physics, Annamalai University, Annamalainagar-608 002, India

Received 19 June 2008; Revised 12 September 2008; Accepted 5 November 2008

Copyright © 2009 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In this paper, the hydration behaviour of ordinary portland cement (OPC) and fly ash blended cement (10, 25 and 40%) replaced by two different fly ashes (FA) were investigated. The samples were hydrated with distilled water (DW) in water to solid ratio 0:4 and its setting time and dielectric measurement are carried out. Results of the study found that the fly ash blended cement composites have slow hydration than OPC during early stages (up to 24 h).