F
Francisca Puertas
Researcher at Spanish National Research Council
Publications - 195
Citations - 11441
Francisca Puertas is an academic researcher from Spanish National Research Council. The author has contributed to research in topics: Portland cement & Cement. The author has an hindex of 45, co-authored 190 publications receiving 8913 citations.
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Structure of Calcium Silicate Hydrates Formed in Alkaline-Activated Slag: Influence of the Type of Alkaline Activator
TL;DR: In this article, the influence of the alkaline activator (NaOH, waterglass, or Na2CO3) on the structure of the hydrated calcium silicate formed in alkali-activated slag (AAS) cement pastes has been investigated by FTIR, 29Si and 27Al magic-angle scattering nuclear magnetic resonance, and TEM/EDX techniques.
Journal ArticleDOI
MgO content of slag controls phase evolution and structural changes induced by accelerated carbonation in alkali-activated binders
Susan A. Bernal,Susan A. Bernal,Susan A. Bernal,Rackel San Nicolas,Rupert J. Myers,Ruby Mejía de Gutiérrez,Francisca Puertas,Jannie S.J. van Deventer,John L. Provis,John L. Provis +9 more
TL;DR: In this paper, the structural development and carbonation resistance of three silicate-activated slags (AAS) with varying MgO contents (5%), hydrotalcite is identified as the main secondary product in addition to C-A-S-H.
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Pore solution in alkali-activated slag cement pastes. Relation to the composition and structure of calcium silicate hydrate
TL;DR: In this paper, the relationship between the composition of pore solution in alkali-activated slag cement (AAS) pastes activated with different alkaline activators, and the composition and structure of the main reaction products has been studied.
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Mechanical and durable behaviour of alkaline cement mortars reinforced with polypropylene fibres
TL;DR: In this paper, three different matrices were used: (a) granulated blast furnace slag activated with waterglass (Na2SiO3+NaOH) with a concentration of 4% Na2O by mass of slag and cured at room temperature, (b) aluminosilicate fly ash activated with 8M NaOH and cured with 85 °C during the first 24 h and (c) 50% fly ash+50% slag activation with 8m NaOH solution at room-temperature.
Journal ArticleDOI
Effect of Shrinkage-reducing Admixtures on the Properties of Alkali-activated Slag Mortars and Pastes
Marta Palacios,Francisca Puertas +1 more
TL;DR: In this paper, the effect of polypropylenglycol on the dimensional stability of waterglass-activated slag mortars was studied, and the pore structure of the mortars and the mineralogical composition and microstructure of the pastes were analyzed.