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http://hdl.handle.net/10261/121955
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Título: | Interaction of TEOS with cementitious materials: Chemical and physical effects |
Autor: | Barberena Fernández, A. M.; Carmona-Quiroga, Paula CSIC ORCID ; Blanco-Varela, María Teresa CSIC ORCID | Palabras clave: | Calcium silicate hydrate Cement pastes |
Fecha de publicación: | ene-2015 | Editor: | Elsevier | Citación: | Cement and Concrete Composites Volume 55, (January) , Pages 145–152, (2015) | Resumen: | This study explored the effectiveness of tetraethyl orthosilicate (TEOS) as a Portland cement mortar consolidant to verify whether it meets the requirements for use in cultural assets. TEOS was found to raise cement mortar strength, lower its porosity and permeability and occasion minimal alteration in its appearance, an indication of its suitability to conserve heritage mortar works. FTIR and 29Si MAS NMR studies supported the notion that TEOS interacts with the hydrated phases of the cement, portlandite and C–S–H gel. The reaction product between portlandite and TEOS was C–S–H gel and between TEOS and C–S–H gel was a gel with longer chain. | Versión del editor: | doi:10.1016/j.cemconcomp.2014.09.010 | URI: | http://hdl.handle.net/10261/121955 | DOI: | 10.1016/j.cemconcomp.2014.09.010 |
Aparece en las colecciones: | (IETCC) Artículos |
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Torroja_02.pdf | 250,27 kB | Adobe PDF | Visualizar/Abrir |
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