Thermal stability of different siliceous and calcareous aggregates subjected to high temperature
1 Laboratoire de Mécanique et Matériaux du Génie Civil (L2MGC), Université de Cergy-Pontoise, France
2 Laboratoire Géosciences et Environnement de Cergy (GEC), Université de Cergy-Pontoise, France
3 Union Nationale des Producteurs de Granulats (UNPG), Paris, France
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The goal of this study is to improve the knowledge of the deterioration of aggregates subject to high temperature phenomena and to characterise the physical and chemical transformations they undergo. Twenty one (21) aggregates of different mineralogical composition were exposed at temperatures up to 750 °C. The behaviour of siliceous and calcareous aggregates undergoing high temperature has been examined with respect to the evolution of physical, chemical and mineralogical properties.
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