Materiales de Construcción, Vol 46, No 244 (1996)

The use of vulcanic glasses in cellular concrete


https://doi.org/10.3989/mc.1996.v46.i244.521

J. L. Alvarez
División de Materiales. CTDMC, Cuba

N. Vega
LACEMI. "J. I. DEL CORRAL", Cuba

Abstract


This paper covers studies made using different mixes for cellular concrete variating silica sand, vulcanic glass and aluminium powder contents.
Studies on compressive strenght, dry density and X-ray diffraction are performed on autoclave cured cellular concrete, concluding that best results are attained when vulcanic glass contents reaches 50% of silica sand.
When percentage of aluminium powder is diminished from 0.11% to 0.09%, alight increase in density, with noticiable growth of comprensive strength are observed.

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