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There exists an increasing concern about the dangers originated in a building g in case of fire. In this work the behaviour of vermiculite as aggregate in fireproof mortars was compared with mortars formulated with two magnesium by-products aggregates which undergo an endothermic decomposition. Fire resistance and mechanical properties were evaluated. An optimal mixture of both magnesium by-products as aggregates allows formulating mortars that improve fire resistance at temperatures greater than 450 C compared with vermiculite mortars. It would be interesting to obtain mortars formulated with magnesium by products and vermiculite to study possible synergic effects.
CitationFormosa Mitjans, Joan [et al.]. Comparative study of magnesium by-products and vermiculite formulations to obtain fire resistant mortars. "Materials Science Forum", 2008, vol. 587/588, p. 898-902.
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