Fired clay brick waste as low cost and eco-friendly pozzolana …
The chemical composition of raw powders is summarized in Table 2.As expected, the used calcined gypsum consisted mainly of SO 3 along with CaO. About 7 mass% of SiO 2 and 2.5 mass% of Al 2 O 3 were found, indicating the presence of impurities in its composition. Contrary to this, the used lime exhibited a high purity level, …
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