Compressive strength, resistance to chloride-ion penetration and freezing/thawing of slag-replaced concrete and cementless slag concrete containing desulfurization slag activator

Durability and Engineering Performance Evaluation of CaO Content and Ratio of Binary Blended Concrete Containing Ground Granulated Blast-Furnace Slag

“…This indicated that it is necessary to secure 20% or higher GGBS replacement ratios in the field to minimize surface degradation of structures. This result is similar to that of the previous study [44]. The slag replacement concrete had a higher coefficient of durability as the slag replacement ratio was higher.…”

“…Therefore, it is deemed as desirable to secure 25% or higher GGBS replacement ratios during concrete mix design at construction sites where the chloride attack must be considered. According to a previous study [44], laboratory accelerated tests resulted in lower Figure 13. Carbonation depth ratio with respect to replacement ratio.…”

“…Therefore, it is deemed as desirable to secure 25% or higher GGBS replacement ratios during concrete mix design at construction sites where the chloride attack must be considered. According to a previous study [44], laboratory accelerated tests resulted in lower chloride transfer coefficients with higher replacement ratios of GGBS in concrete. Therefore, cement-free slag concrete was found to have the greatest resistance to chloride ion penetration compared to other specimens.…”

Hydration of Binary Portland Cement Blends Containing Silica Fume: A Decoupling Method to Estimate Degrees of Hydration and Pozzolanic Reaction

“…On the one hand, SCMs can minimize energy consumption and CO 2 emission associated with portland cement production (Damtoft et al, 2008;Schneider et al, 2011;Gruyaert et al, 2012;Wang et al, 2017). On the other hand, after short or long hydration times, SCMs incorporated concrete can achieve similar or better mechanical properties, as well as improved durability with respect to various deterioration mechanisms, such as sulfate attack and chloride penetration, compared with plain portland cement concrete (Lee et al, 2016;Yoo and Kwon, 2016). Regardless of the type of cementitious materials used, the temporal evolutions of degree of hydration and assemblage of hydration products have direct and significant impact on mechanical and transport properties of concrete.…”

The influence of curing and aging on chloride transport through ternary blended cement concrete

“…The type of cement, with regard to the incorporation of supplementary cementitious materials (SCM's), has been revealed to be among the factors which have the greatest influence on the resistance of concrete to chloride penetration (7)(8)(9)(10)(11)(12)(13)(14). Blast furnace slag (BFS) is one of the most commonly used SCM's in the manufacture of concretes which are intended for exposure to chloride-contaminated environments, especially marine ones (15), due to its ability to retard the entrance of chloride (16,17).…”