CIFICEN 24414
CENTRO DE INVESTIGACIONES EN FISICA E INGENIERIA DEL CENTRO DE LA PROVINCIA DE BUENOS AIRES
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Thermal transformation of illitic-chlorite clay and its pozzolanic activity
Autor/es:
ROXANA LEMMA; MÓNICA TREZZA; VIVIANA L. BONAVETTI; EDGARDO F. IRASSAR; CRISTINA CASTELLANO; VIVIANA F. RAHHAL
Lugar:
La Habana
Reunión:
Congreso; 2nd International Conference on Calcined Clays for Sustainable Concrete; 2017
Institución organizadora:
LC3
Resumen:
Illite-chlorite clay from quarry located at Buenos Aires Province The solid-state phase transformations of clay during thermal tr eatment involves: water loss at lowtemperature; the partial dehydroxylation of chlorite resulting in the "modified chlorite structure" between 500and 600 °C and its collapse at 800 °C; the dehydroxilation of illite is completed and its structure collapsed up toat 900 °C. Up to 1000 °C, the clay minerals are collapsed thoroughly, with formation of amorphous compounds.Results of Frattini tests indicate that materials present pozzolanic activity after 7 days when they are fired up to900 °C, however the best SAI
