The influence of silica fume on the apparent activation energy of HPC mixtures
dc.contributor.author | Barbosa, Mônica Pinto [UNESP] | |
dc.contributor.author | Pinto, Roberto C.A. | |
dc.contributor.author | Peres, Luciano Donizete Pantano [UNESP] | |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | |
dc.contributor.institution | Universidade Federal de Santa Catarina (UFSC) | |
dc.date.accessioned | 2022-04-29T08:00:10Z | |
dc.date.available | 2022-04-29T08:00:10Z | |
dc.date.issued | 2005-09-01 | |
dc.description.abstract | The use of the maturity approach has been increasing in various fields of concrete construction. In order to estimate the development of a mechanical property of the concrete mixture reliably, it is necessary to previously determine the apparent activation energy of the mixture. This thermal sensitivity index is a function of several parameters including cement type, presence of admixtures, and w/c. This study investigates the influence of silica fume on the apparent activation energy of high-performance concrete mixtures. Following the procedure in ASTM C 1074, various mortar mixtures were prepared with 6 different types of Brazilian cements (CP-I-S, CP-IIF-32, CP-II-Z-32, CP-III, CP-IV-RS e CP-V-ARI), and with addition of silica fume at two levels (8% and 16% of cement mass). The results indicate that the presence of silica fume increases the value of the apparent activation energy. | en |
dc.description.affiliation | The Civil Engineering Department FEIS - UNESP | |
dc.description.affiliation | The Federal University of Santa Catarina | |
dc.description.affiliation | FEIS - UNESP | |
dc.description.affiliationUnesp | The Civil Engineering Department FEIS - UNESP | |
dc.description.affiliationUnesp | FEIS - UNESP | |
dc.format.extent | 423-434 | |
dc.identifier.citation | American Concrete Institute, ACI Special Publication, v. SP-229, p. 423-434. | |
dc.identifier.issn | 0193-2527 | |
dc.identifier.scopus | 2-s2.0-85008470220 | |
dc.identifier.uri | http://hdl.handle.net/11449/228266 | |
dc.language.iso | eng | |
dc.relation.ispartof | American Concrete Institute, ACI Special Publication | |
dc.source | Scopus | |
dc.subject | Activation energy | |
dc.subject | Cement | |
dc.subject | Maturity method | |
dc.subject | Silica fume | |
dc.title | The influence of silica fume on the apparent activation energy of HPC mixtures | en |
dc.type | Trabalho apresentado em evento | |
dspace.entity.type | Publication | |
unesp.department | Engenharia Civil - FEIS | pt |