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What are the Types of Mineral Admixtures in Cement?

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Asked: July 29, 20202020-07-29T21:35:32-07:00 2020-07-29T21:35:32-07:00In: Concrete
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What are the Types of Mineral Admixtures in Cement?

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  1. aviratdhodare

    aviratdhodare

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    aviratdhodare
    2020-07-30T22:14:09-07:00Added an answer on July 30, 2020 at 10:14 pm

    Mineral admixtures

    • fly ash (FA)
    • silica fume (SF)
    • ground granulated blast furnace slag (GGBS)
    • metakaolin (MK)
    • rice husk ash (RHA)

    which have definite characteristics through which they impact the properties of concrete in a different way.

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  2. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru
    2020-10-15T11:57:47-07:00Added an answer on October 15, 2020 at 11:57 am

    The types of mineral admixtures are as follows :-

    1. Water-reducing admixtures

    2. Retarding admixtures

    3 .Accelerating admixtures

    4. Water-reducing and retarding admixtures

    5. Water-reducing and accelerating admixtures

    6. Water-reducing, high range admixtures

    7. Water-reducing, high range, and retarding admixtures

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  3. Dhanya

    Dhanya

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    Dhanya Beginner
    2020-08-02T09:23:07-07:00Added an answer on August 2, 2020 at 9:23 am

    Commonly used mineral admixture are as follows:

    • Fly ash
    • Ground Granulated Blast Furnace slag (GGBFS)
    • Silica fumes
    • Rice Husk Ash
    • Metakaoline
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  4. Dhanya

    Dhanya

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    Dhanya Beginner
    2020-08-02T09:23:35-07:00Added an answer on August 2, 2020 at 9:23 am

    Commonly used mineral admixture are as follows:

    • Fly ash :

    Pulverized coal is combusted in thermal power plants for electricity generation. By product of this combustion reaction is fly ash

    • Ground Granulated Blast Furnace slag (GGBFS)

    It is the by product of iron extraction process from iron ore.

    • Silica fumes

    It is produced as the by product of electric arc furnaces in the production of elemental silica.

    • Rice Husk Ash

    Rice Husk Ash is produced by the burning of rice husk.

    • Metakaoline

    ordinary clay and kaoline clay when thermally activated is called metakaoline

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  5. Komal Bhandakkar

    Komal Bhandakkar

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    Komal Bhandakkar AUTHOR
    2020-11-17T17:49:31-08:00Added an answer on November 17, 2020 at 5:49 pm
    This answer was edited.

    First, let me clear this one of the basic concepts that when we use any extra ingredient besides the ingredient of concrete for improving its some property, it is known as an admixture.

    When we use any extra ingredient in cement to improve some cement property, it is called an additive.

    Important: Additives are added to the cement and not the admixture.


    Thank You.

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  6. CB Sowmya

    CB Sowmya

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    CB Sowmya User
    2020-07-30T23:15:14-07:00Added an answer on July 30, 2020 at 11:15 pm

    There are two types of admixtures:

    • Mineral admixtures
    • Chemical admixtures

    Mineral admixtures are mostly solids. Chemical admixtures are mostly liquids.

    The most common mineral admixtures are:

    • Fly ash
    • Ground Granulated Blast furnace Slag (GGBS)
    • Rice husk ask
    • Metakaolin
    • Silica fume
    • Sugarcane bagasse or straw ash
    • Palm oil fuel ash

    The mineral admixtures are added majorly to modify the strength of the concrete and increase the compressive strength.. Since all these mineral admixtures are byproducts of some industrial process which otherwise would be dumped into landfills, it is also beneficial to the environment.

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