Phyllites are a type of metamorphic rock that is now being used as raw material in the composition of rendering mortar, replacing lime. The improvement on the workability and plasticity of cementitious materials, the main reasons for the use of limes, are features that are also obtained with the use of phyllites. The aim of this study is to evaluate the characteristics of cementitious suspensions formulated with lime or phyllite through the use of rotational rheometry tests to evaluate the suspensions' properties during the flow, and oscillatory rheometry to evaluate kinetic consolidation. The results showed that although the physical, chemical and mineralogical properties of the powders are very different, the type I hydrated limes (CHI) were not different from the phyllites during the flow, but during the consolidation the CHI limes had a faster kinetic agglomeration than the phyllites.
Rheology; Lime; Phyllite; Blend
