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A STUDY ON RECYCLED GYPSUM AND PORTLAND CEMENT - BASED BINDERS

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Gypsum-cement blends are not so common because produce expansive reactions. A previous experience indicated the possibility of this blend, without expansion. This study evaluated the properties in both fresh and hardened states of the blend with recycled gypsum aimed at comparing its physical, chemical and mechanical properties in relation to the commercial gypsum. Results show that the blend can be used, and that this new material did not suffer expansions, inducing a durable material.