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Título

Sulphatic characterization of rice husk ashes. Comparative study with the Spanish silica fume

AutorTalero Morales, Rafael; Pedrajas, C.; Delgado, A.; Rahhal, V.
Palabras claveRice husk ash
Puzzolanic additions
Silica fume
Portland cement
Fecha de publicaciónnov-2009
SerieS05-13
ResumenIn this investigation it has determinated the "chemical character" by sulphatic characterization of two industrial incinerated residues, ashes C1 and C2, in order to incorporate them as puzzolanic addition, in the manufacture of cements, traditional or high resistance concretes and mortars. Also, It was considered carry out a comparative study with the Spanish silica fume, HS. Then, experimental results showed that the two ashes, can be considerate as artificial puzzolanic additions with silicic "chemical character", but only one of them that of major content of SiO2, C2, could become considerate as “microsilica On the other hand, C1 couldn´t be considerated, because the content of P.F. resulted too high, although the content of reactive silica, SiO2r- was bigger than de content of C2. For this motive, the C1 ash was refused for this propose, in spite of in the sulphatic characterization it showed a more near conduct to HS.
DescripciónEn: 1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy Madrid, 12-13 November 2009.-- Editors: F. A. López, F. Puertas, F. J. Alguacil and A. Guerrero.-- 4 pages, 3 tables.
URIhttp://hdl.handle.net/10261/18461
ISBN978-84-7292-3980-0
Aparece en las colecciones: (IETCC) Comunicaciones congresos
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