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Rapid Particle Size Analysis of Fly Ash with a Commercial Laser Diffraction Instrument

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Abstract

Particle size distributions of a suite of fly ashes previously analyzed by aclassical sedimentary proced ure have been redetermined using a commercial laser-based particle size measurement system. For most of the fly ashes the concordance between the two sets of data was unexpectedly close, considering the different physical principles involved in the two types of measurement. Laser diffraction instruments (“laser sizers”) appear to have the potential for extremely rapid and accurate size distribution measurement for fly ashes to be used in commercial applications. Such determinations, easily carried out on a routine basis, could serve as important elements in future specifications for acceptance and quality assurance programs.

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References

  1. D.N. Montgomery, in Effects of Fly ash Incorporation in Cement and Concrete edited by S. Diamond (Mat. Res. Soc., University Park, 1981) pp. 194–203.

  2. R. Helmuth, “Fly Ash in Cement and Concrete,” (P.C.A. R and D Laboratories, Skokie, IL, 1987) 203 pp.

  3. S. Diamond, “Selection and Use of Fly Ash For Highway Concrete,” Final Report FHWA/ IN/JHRP-85/8, Joint Highway Research Project, Purdue University, 174 pp (1985).

  4. S. Diamond and C.L. Kilgour, in Fly Ash and Coal Conversion By-Product: Characterization. Utilization, and Disposal II edited by G.J. McCarthy, F.P. Glasser, and D.M. Roy, Mat. Res. Soc. Symp. Proc. Vol. 65 (Materials Research Society, Pittsburgh, 1986) pp. 105–114.

  5. J.G. Cabrera and C.J. Hopkins, in Particle Size Analysis 1981, edited by N.G. Stanley Wood and T. Allen (Wiley Heyden Ltd., London, 1982) pp. 127–139.

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Authors and Affiliations

  1. School of Civil Engineering, Purdue University, 47907, West Lafayette, IN, USA

    Sidney Diamond

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  1. Sidney Diamond
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Diamond, S. Rapid Particle Size Analysis of Fly Ash with a Commercial Laser Diffraction Instrument. MRS Online Proceedings Library 113, 119–127 (1987). https://doi.org/10.1557/PROC-113-119

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  • DOI: https://doi.org/10.1557/PROC-113-119

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