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A platform for research: civil engineering, architecture and urbanism
Effect of sodium silicate- and ethyl silicate-based nano-silica on pore structure of cement composites
Abstract This study proposes using sodium silicate-based nano-silica (SS) in cement composites. The effect of the addition of the proposed nano-silica on cement composites was compared to that of conventional ethyl silicate-based nano-silica (ES) and silica fume (SF). This study found that the inclusion of SS in cement composites has mainly two effects on their properties: one is a fast pozzolanic reaction, and the other is a pore-filling effect in a cement matrix. As a result, SS dramatically improves the early-age strength of cement composites by up to 184% and 152%, compared to a control specimen and the specimen with ES inclusion, respectively. Calorimetry, X-ray diffraction (XRD), scanning electron microscope (SEM) and mercury intrusion porosimetry (MIP) tests were conducted to monitor the effects of these nano-silicas.
Effect of sodium silicate- and ethyl silicate-based nano-silica on pore structure of cement composites
Abstract This study proposes using sodium silicate-based nano-silica (SS) in cement composites. The effect of the addition of the proposed nano-silica on cement composites was compared to that of conventional ethyl silicate-based nano-silica (ES) and silica fume (SF). This study found that the inclusion of SS in cement composites has mainly two effects on their properties: one is a fast pozzolanic reaction, and the other is a pore-filling effect in a cement matrix. As a result, SS dramatically improves the early-age strength of cement composites by up to 184% and 152%, compared to a control specimen and the specimen with ES inclusion, respectively. Calorimetry, X-ray diffraction (XRD), scanning electron microscope (SEM) and mercury intrusion porosimetry (MIP) tests were conducted to monitor the effects of these nano-silicas.
Effect of sodium silicate- and ethyl silicate-based nano-silica on pore structure of cement composites
Kim, Kyoung-Min (author) / Heo, Young-Sun (author) / Kang, Suk-Pyo (author) / Lee, Jun (author)
Cement and Concrete Composites ; 49 ; 84-91
2013-12-17
8 pages
Article (Journal)
Electronic Resource
English
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