Influence of quartz powder and silica fume on the performance of Portland cement
Supplementary cementitious materials interact chemically and physically with cement, influencing the formation of hydrate compounds. Many authors have analyzed the filler and pozzolanic effect. However, few studies have explored the influence of these effects on hydration, properties in the fresh an...
| Autores: | , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2020 |
| País: | Brasil |
| Institución: | Universidade Federal de Minas Gerais (UFMG) |
| Repositorio: | Repositório Institucional da UFMG |
| Idioma: | inglés |
| OAI Identifier: | oai:repositorio.ufmg.br:1843/80271 |
| Acceso en línea: | https://doi.org/10.1038/s41598-020-78567-w http://hdl.handle.net/1843/80271 https://orcid.org/0000-0003-1670-2376 https://orcid.org/0000-0002-8051-062X https://orcid.org/0000-0002-0121-0881 |
| Access Level: | acceso abierto |
| Palabra clave: | Cimento Cimento Portland Pozolanas |
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Influence of quartz powder and silica fume on the performance of Portland cementCimentoCimento PortlandPozolanasSupplementary cementitious materials interact chemically and physically with cement, influencing the formation of hydrate compounds. Many authors have analyzed the filler and pozzolanic effect. However, few studies have explored the influence of these effects on hydration, properties in the fresh and hardened states, and durability parameters of cementitious composites separately. This study investigates the influence of the replacement of 20% of Portland cement for silica fume (SF) or a 20-µm medium diameter quartz powder (QP) on the properties of cementitious composites from the first hours of hydration to a few months of curing. The results indicate that SF is pozzolanic and that QP has no pozzolanic activity. The use of SF and QP reduces the released energy at early times to the control paste, indicating that these materials reduce the heat of hydration. The microstructure with fewer pores of SF compounds indicates that the pozzolanic reaction reduced pore size and binding capability, resulting in equivalent mechanical properties, reduced permeability and increased electrical resistance of the composites. SF and QP increase the carbonation depth of the composites. SF and QP composites are efficient in the inhibition of the alkali-aggregate reaction. The results indicate that, unlike the filler effect, the occurrence of pozzolanic reaction strongly influences electrical resistance, reducing the risk of corrosion of the reinforcement inserted in the concrete.Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA MATERIAIS E DA CONSTRUÇÃO CIVILENG - DEPARTAMENTO DE ENGENHARIA MECÂNICAUFMG2025-02-20T19:10:03Z2025-02-20T19:10:03Z2020-12-08info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlepdfapplication/pdfhttps://doi.org/10.1038/s41598-020-78567-w2045-2322http://hdl.handle.net/1843/80271https://orcid.org/0000-0003-1670-2376https://orcid.org/0000-0002-8051-062Xhttps://orcid.org/0000-0002-0121-0881engScientific Reportsinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFMGinstname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMGLudmila Rodrigues Costa TavaresJoaquim Francisco Tavares JuniorLeonardo Martins CostaAugusto Cesar da Silva BezerraPaulo Roberto CetlinMaria Teresa Paulino Aguilar2025-02-20T19:10:04Zoai:repositorio.ufmg.br:1843/80271Repositório InstitucionalPUBhttps://repositorio.ufmg.br/oairepositorio@ufmg.bropendoar:2025-02-20T19:10:04Repositório Institucional da UFMG - Universidade Federal de Minas Gerais (UFMG)false |
| dc.title.none.fl_str_mv |
Influence of quartz powder and silica fume on the performance of Portland cement |
| title |
Influence of quartz powder and silica fume on the performance of Portland cement |
| spellingShingle |
Influence of quartz powder and silica fume on the performance of Portland cement Ludmila Rodrigues Costa Tavares Cimento Cimento Portland Pozolanas |
| title_short |
Influence of quartz powder and silica fume on the performance of Portland cement |
| title_full |
Influence of quartz powder and silica fume on the performance of Portland cement |
| title_fullStr |
Influence of quartz powder and silica fume on the performance of Portland cement |
| title_full_unstemmed |
Influence of quartz powder and silica fume on the performance of Portland cement |
| title_sort |
Influence of quartz powder and silica fume on the performance of Portland cement |
| dc.creator.none.fl_str_mv |
Ludmila Rodrigues Costa Tavares Joaquim Francisco Tavares Junior Leonardo Martins Costa Augusto Cesar da Silva Bezerra Paulo Roberto Cetlin Maria Teresa Paulino Aguilar |
| author |
Ludmila Rodrigues Costa Tavares |
| author_facet |
Ludmila Rodrigues Costa Tavares Joaquim Francisco Tavares Junior Leonardo Martins Costa Augusto Cesar da Silva Bezerra Paulo Roberto Cetlin Maria Teresa Paulino Aguilar |
| author_role |
author |
| author2 |
Joaquim Francisco Tavares Junior Leonardo Martins Costa Augusto Cesar da Silva Bezerra Paulo Roberto Cetlin Maria Teresa Paulino Aguilar |
| author2_role |
author author author author author |
| dc.subject.por.fl_str_mv |
Cimento Cimento Portland Pozolanas |
| topic |
Cimento Cimento Portland Pozolanas |
| description |
Supplementary cementitious materials interact chemically and physically with cement, influencing the formation of hydrate compounds. Many authors have analyzed the filler and pozzolanic effect. However, few studies have explored the influence of these effects on hydration, properties in the fresh and hardened states, and durability parameters of cementitious composites separately. This study investigates the influence of the replacement of 20% of Portland cement for silica fume (SF) or a 20-µm medium diameter quartz powder (QP) on the properties of cementitious composites from the first hours of hydration to a few months of curing. The results indicate that SF is pozzolanic and that QP has no pozzolanic activity. The use of SF and QP reduces the released energy at early times to the control paste, indicating that these materials reduce the heat of hydration. The microstructure with fewer pores of SF compounds indicates that the pozzolanic reaction reduced pore size and binding capability, resulting in equivalent mechanical properties, reduced permeability and increased electrical resistance of the composites. SF and QP increase the carbonation depth of the composites. SF and QP composites are efficient in the inhibition of the alkali-aggregate reaction. The results indicate that, unlike the filler effect, the occurrence of pozzolanic reaction strongly influences electrical resistance, reducing the risk of corrosion of the reinforcement inserted in the concrete. |
| publishDate |
2020 |
| dc.date.none.fl_str_mv |
2020-12-08 2025-02-20T19:10:03Z 2025-02-20T19:10:03Z |
| dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
| dc.identifier.uri.fl_str_mv |
https://doi.org/10.1038/s41598-020-78567-w 2045-2322 http://hdl.handle.net/1843/80271 https://orcid.org/0000-0003-1670-2376 https://orcid.org/0000-0002-8051-062X https://orcid.org/0000-0002-0121-0881 |
| url |
https://doi.org/10.1038/s41598-020-78567-w http://hdl.handle.net/1843/80271 https://orcid.org/0000-0003-1670-2376 https://orcid.org/0000-0002-8051-062X https://orcid.org/0000-0002-0121-0881 |
| identifier_str_mv |
2045-2322 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
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Scientific Reports |
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info:eu-repo/semantics/openAccess |
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openAccess |
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pdf application/pdf |
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Universidade Federal de Minas Gerais Brasil ENG - DEPARTAMENTO DE ENGENHARIA MATERIAIS E DA CONSTRUÇÃO CIVIL ENG - DEPARTAMENTO DE ENGENHARIA MECÂNICA UFMG |
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Universidade Federal de Minas Gerais Brasil ENG - DEPARTAMENTO DE ENGENHARIA MATERIAIS E DA CONSTRUÇÃO CIVIL ENG - DEPARTAMENTO DE ENGENHARIA MECÂNICA UFMG |
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reponame:Repositório Institucional da UFMG instname:Universidade Federal de Minas Gerais (UFMG) instacron:UFMG |
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Universidade Federal de Minas Gerais (UFMG) |
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Repositório Institucional da UFMG - Universidade Federal de Minas Gerais (UFMG) |
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repositorio@ufmg.br |
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