Strength development in autoclaved aluminosilicate rich industrial waste-cement systems containing reactive magnesia

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Journal Article
Journal of the Australian Ceramic Society, 2007, 43 (1), pp. 82 - 87
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Addition of supplementary cementing materials (SCM) to produce blended Portland cements (PC) is a well established practice in the manufacture of construction materials since they permit less overall consumption of PC thereby reducing CO2 emissions. This study reports findings on the strength development of autoclaved Portland cement (PC) - quartz blends where PC was partially replaced by alumina-silica rich fired clay brick waste frees, a proven SCM, and reactive magnesia. Chemical and physical properties of the mixes were characterised by means of compressive strength testing thermal analysis, x-ray diffractometry (XRD) and scanning electron microscopy (SEM).
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