Publikacje

Abstract:

Far-reaching technological progress, manufacturing, and rapidly advancing globalization
dictate new conditions for the development and changes in the construction industry. Valorization of
by-products and the use of secondary materials in the production of building materials have attracted
a lot of attention. Silicate materials were assessed on the basis of their compressive property. An
orthogonal compositional plan type 3k (with k = 2), that is, a full two-factor experiment was applied
in order to carry out the compressive strength and bulk density tests. Glass sand was added to the
silicate mass as a modification. The results show that the compressive strength was higher than that
of traditional bricks. Scanning electron microscopy coupled with energy dispersive spectrometry
SEM/EDS was used to study the microstructure, whereas the XRD analysis was applied to examine
the structures. Laboratory tests were performed on samples with dimensions of 50 × 50 × 50 mm.
The results show the bulk density increase to the value of 1.75 kg/dm3, which increases the acoustic
performance of the new products. The results of the modifications also indicate changes in the structure
of the new bricks. The reference sample contained α-quartz, zeolite, tobermorite 9A, and calcium
aluminum silicate (Ca2Al4Si12O32), whereas the samples modified with glass sand, the presence of
phases such as α-cristobalite, natrolite, tobermorite 11A, gyrolite, and analcite was recorded.

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A Sustainable Autoclaved Material Made of Glass Sand