Memorias de investigación
Artículos en revistas:
Role of the filler on Portland cement hydration at very early ages: Rheological behaviour of their fresh cement pastes
Año:2018
Áreas de investigación
  • Materiales de construccion
Datos
Descripción
The rheological behaviour of fresh Portland cement (PC) pastes with different chemical and potential mineralogical compositions was analysed when were blended with crystalline mineral additions (fillers). These two fillers were very different: a siliceous, Q, a-quartz type, and another limestone, C. Trials were conducted during latent hydration at 25 ?C. The findings showed that apparent viscosity was higher in the PC with low C3A and high C3S content, consequently, the Na2Oeq.(%) content of everyone also contributed very significantly. Moreover, it was also observed that the incorporation of each filler affects differently the rheological behaviour of fresh cement pastes. The different influence is due to the different physical and chemical properties of each filler (nature, chemical composition and character and texture intimate of the particles), and also of the type of PC to interact. Finally and at these very early ages, both fillers stimulated the hydration of the PC which they were mixed by direct and non-direct way, and in the case of C filler by indirect way as well, but without any pozzolanic activity. Despite the fact that blended cement P1/Q 60/40 has proved to be a ?false positive? in Frattini test.
Internacional
Si
JCR del ISI
Si
Título de la revista
Construction And Building Materials
ISSN
0950-0618
Factor de impacto JCR
3,485
Información de impacto
Datos JCR del año 2017
Volumen
151
DOI
10.1016/j.conbuildmat.2017.06.006
Número de revista
Desde la página
939
Hasta la página
949
Mes
SIN MES
Ranking
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Participantes
  • Autor: Rafael Talero Morales IEtcc.CSIC
  • Autor: César Pedrajas Nieto-Márquez IETcc-CSIC
  • Autor: Carlos Hernando Aramburo Varela UPM
  • Autor: Mariano Gonzalez Cortina UPM
  • Autor: Antonio Blázquez Morales IETcc-CSIC
  • Autor: Viviana Fátima Rahhal UNCPBA
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Tecnología Edificatoria y Medio Ambiente
  • Departamento: Construcciones Arquitectónicas y su Control