concrete admixtures ggbfs

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Concrete: Cement Substitutes

Concrete made with GGBS cement sets more slowly than concrete made with ordinary Portland cement, depending on the amount of GGBS in the cement mix, but also continues to gain strength over a longer period leading to improved overall durability and life expectancy...

Evaluation of Rapid Chloride Permeability ,

For this purpose, concrete specimens containing varying proportions and fineness of mineral admixtures, such as ground granulated blast-furnace slag (GGBFS) and silica fume (SF), and moist-cured for different periods were subjected to a 90-day soaking test and RCPT To supplement the results, the electrical resistivity and compressive strengths of concrete mixtures were also evaluated For the ....

Concrete

Admixtures are materials in the form of powder or fluids that are added to the concrete to give it certain characteristics not obtainable with plain concrete mix Admixtures are defined as additions "made as the concrete mix is being prepared" The most common admixtures are retarders and accelerators...

Ground granulated blast

Mineral admixtures have been used in concrete for as long as concrete has been made However, some of the benefits of mineral admixtures are just recently being understood Some typical mineral admixtures used in concrete are fly ash, ground granulated blast furnace slag and silica fume Each of these mineral admixtures affects the properties ....

Mineral Admixtures used in Concrete

Mineral admixtures like Flyash, Metakolin, Rice husk ash, Silica Fume and GGBFS are mixed in concrete to vary its properties like durability, strength and workability Know various advantages, disadvantages and mix proportions of each of these mineral admixtures used in concrete...

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