Effect of Fly Ash and Water in Hydrated Srpc-A Ftir Study

K. Thiruppathi, S. Barathan, N. Anandhan, G. Sivakumar

Abstract


The present investigation, deals with the study of both hydrated Sulfate Resisting Portland Cement (SRPC) and fly ash
(fly ash 20%, 30% and 50%) composite with two different waters. Among the three percentages of fly ash addition, 30%
addition is found to be optimum. The samples (SRPC and 30% fly ash) were analyzed using the Fourier Transform
Infrared Spectroscopy (FTIR) spectra. The relationship between compressive strength and molecular vibration changes
were discussed using FTIR spectra. Also, the setting time is identified with the FTIR spectra and proper explanation with
available literature for the kinetics is presented. It is inferred that increasing the fly ash concentration reduce the setting
time. This is due to the calcium sulfoaluminate (CSA) present in the fly ash. Result of this study indicates that the blended
paste better perform than the control paste hydrated with distilled water and effluent water.

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Applied Physics Research   ISSN 1916-9639 (Print)   ISSN 1916-9647 (Online)

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