Browsing by Author "Salvador, Renan"
Ferreira, Silvio C.; Salvador, Renan; Pastor Satorras, Romualdo (AMER PHYSICAL SOC, 2016-03-14)
Restricted access - publisher's policyWe consider a general criterion to discern the nature of the threshold in epidemic models on scale-free (SF) networks. Comparing the epidemic lifespan of the nodes with largest degrees with the infection time between them, ...
Effect of cement composition on the reactivity of alkali-free accelerating admixtures for shotcrete Salvador, Renan; Pialarissi Cavalaro, Sergio Henrique; Rueda Alba, Angel Julian; Domingues de Figueiredo, Antonio (2014)
Restricted access - publisher's policyThe evolution of mechanical strength in cement matrices is strongly dependent on cement properties and on the admixtures used. Limestone additions and accelerators, used in shotcrete, alter the hydration mechanisms of the ...
Salvador, Renan; Pialarissi Cavalaro, Sergio Henrique; Cano, Miguel; Domingues de Figueiredo, Antonio (2016-10)
Open AccessIn practice, most of the studies about the interaction between cement and accelerators is performed with hand-mixed pastes. However, in many applications mixing occurs through spraying, which may affect accelerators ...
Parameters controlling early age hydration of cement pastes containing accelerators for sprayed concrete Salvador, Renan; Pialarissi Cavalaro, Sergio Henrique; Cincotto, Maria Alba; Domingues de Figueiredo, Antonio (2016-11)
Open AccessThe objective of this work is to parametrize the early age hydration behavior of accelerated cement pastes based on the chemical properties of cement and accelerators. Eight cements, three alkali-free and one alkaline ...