Comparative Study of Magnesium By-Products and Vermiculite Formulations to Obtain Fire Resistant Mortars

Joan Formosa-Mitjans; L. Haurie; Josep Maria Chimenos-Ribera; Anna M. Lacasta; Joan Ramon Rosell

doi:10.4028/www.scientific.net/MSF.587-588.898

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Comparative Study of Magnesium By-Products and Vermiculite Formulations to Obtain Fire Resistant Mortars
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HomeMaterials Science ForumMaterials Science Forum Vols. 587-588Comparative Study of Magnesium By-Products and...

Comparative Study of Magnesium By-Products and Vermiculite Formulations to Obtain Fire Resistant Mortars

Abstract:

There exists an increasing concern about the dangers originated in a building 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.