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    Alternative calcium sulfate-bearing materials as cement retarders

    Part I. Anhydrite

    New search for: Tzouvalas, G.
    New search for: Dermatas, N.
    New search for: Tsimas, S.

    AbstractThe hydration process of cement pastes is of great importance to the physicomechanical properties of the hardened material. Thus, substances that regulate the setting of cement, such as natural anhydrite, have attracted significant scientific interest during the past years. This paper briefly describes the results of utilization of natural anhydrite in cement pastes of CEM-I and CEM-II types. The aim of the study has been to inquire the extent of natural gypsum replacement by natural anhydrite. The result of the hydration process has been expressed by the setting time and the compressive strength development, with respect to the SO3−2 content of each mixture. The experimental data conclude that natural anhydrite can be a very efficient retarder of the setting of cement, with no significant change in the physicomechanical properties of the hardened pastes.

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    Alternative calcium sulfate-bearing materials as cement retarders

    Part I. Anhydrite

    New search for: Tzouvalas, G.
    New search for: Dermatas, N.
    New search for: Tsimas, S.

    AbstractThe hydration process of cement pastes is of great importance to the physicomechanical properties of the hardened material. Thus, substances that regulate the setting of cement, such as natural anhydrite, have attracted significant scientific interest during the past years. This paper briefly describes the results of utilization of natural anhydrite in cement pastes of CEM-I and CEM-II types. The aim of the study has been to inquire the extent of natural gypsum replacement by natural anhydrite. The result of the hydration process has been expressed by the setting time and the compressive strength development, with respect to the SO3−2 content of each mixture. The experimental data conclude that natural anhydrite can be a very efficient retarder of the setting of cement, with no significant change in the physicomechanical properties of the hardened pastes.

    Access

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    Alternative calcium sulfate-bearing materials as cement retarders

    Part I. Anhydrite

    New search for: Tzouvalas, G.
    New search for: Dermatas, N.
    New search for: Tsimas, S.

    AbstractThe hydration process of cement pastes is of great importance to the physicomechanical properties of the hardened material. Thus, substances that regulate the setting of cement, such as natural anhydrite, have attracted significant scientific interest during the past years. This paper briefly describes the results of utilization of natural anhydrite in cement pastes of CEM-I and CEM-II types. The aim of the study has been to inquire the extent of natural gypsum replacement by natural anhydrite. The result of the hydration process has been expressed by the setting time and the compressive strength development, with respect to the SO3−2 content of each mixture. The experimental data conclude that natural anhydrite can be a very efficient retarder of the setting of cement, with no significant change in the physicomechanical properties of the hardened pastes.

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    Title:

    Alternative calcium sulfate-bearing materials as cement retarders

    Subtitle:

    Part I. Anhydrite

    Contributors:

    Tzouvalas, G. (author) / Dermatas, N. (author) / Tsimas, S. (author)

    Published in:

    Cement and Concrete Research ; 34 ; 2113-2118

    Publication date:

    2004-03-15

    Size:

    6 pages

    ISSN:

    0008-8846

    DOI:

    https://doi.org/10.1016/j.cemconres.2004.03.020

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Anhydrite , Cement hydration , Setting , Retardation , Calcium sulfate

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