Pozzolanic properties of glass fines in lime mortars

Reference:

Edwards, D. D., Allen, G. C., Ball, R. J. and El-Turki, A., 2007. Pozzolanic properties of glass fines in lime mortars. Advances in Applied Ceramics, 106 (6), pp. 309-313.

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Official URL:

http://dx.doi.org/10.1179/174367607X228061

Abstract

This paper describes a study to evaluate the effect of finely ground waste glass on the mechanical, chemical and structural properties of a NHL 3&middot5 hydraulic lime mortar. Finely ground waste glass was mixed with a natural hydraulic lime of classification 3&middot5 in the lime/glass ratio, 10: 1, 1:1, 1:2 and 1:3. Cylindrical samples were formed and placed in a controlled environment for up to 11 weeks. The mechanical properties were investigated by destructively testing the samples in compression before chemical analysis using Raman spectroscopy, energy dispersive X-ray spectroscopy and powder X-ray diffraction. The structure of the samples was investigated using focused ion beam microscopy. Evidence for a pozzolanic reaction at the glass /lime interface was observed together with the chemical process involved.

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