Hydraulic activity of belite cement from class C coal fly ash. Effect of curing and admixtures
[EN] The effect of curing method and a water-reducing additive on the hydraulic activity of high lime content (ASTM type C) fly ash belite cement (FABC-2-W) is reported. A class C fly ash was subjected to hydrothermal treatment and subsequent calcination to synthesize FABC. Hydraulic activity was ev...
| Autores: | , |
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| Formato: | artículo |
| Fecha de publicación: | 2006 |
| País: | España |
| Recursos: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/86557 |
| Acesso em linha: | http://hdl.handle.net/10261/86557 |
| Access Level: | acceso abierto |
| Palavra-chave: | Belite cements Fly ash Hydrothermal calcination treatment Hydraulic activity Admixtures Cemento belítico Cenizas volantes Ruta hidrotermal Actividad hidráulica Aditivos |
| Resumo: | [EN] The effect of curing method and a water-reducing additive on the hydraulic activity of high lime content (ASTM type C) fly ash belite cement (FABC-2-W) is reported. A class C fly ash was subjected to hydrothermal treatment and subsequent calcination to synthesize FABC. Hydraulic activity was evaluated in the cement paste over 180 days from the physically bound water content as determined by thermogravimetric analysis and the degree of hydration, in turn found with X-ray diffraction (XRD) analysis. Mechanical strength, porosity and pore size distribution were also studied in equivalent mortar samples. |
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