STP1566

    Overview of Geopolymer Cement

    Published: Jun 2013


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    Abstract

    The chemistry and molecular structure of geopolymers and their engineering behavior are reviewed, in part by comparison to hydrated Portland cement. The geopolymers form by reaction between a solid aluminosilicate and an aqueous alkali hydroxide solution. The reaction involves gelation and the product is an aluminosilicate comprised of silica and alumina tetrahedra linked in three dimensions. Engineering behavior is similar to that of hydrated Portland cement. Set time and strength depend on the reaction chemistry. Durability is generally seen to be good.

    Keywords:

    cement, concrete, geopolymer, alkali-activated aluminosilicate


    Author Information:

    Struble, Leslie
    University of Illinois at Urbana-Champaign, Department of Civil and Environmental Engineering, Urbana, IL

    Kim, Eric
    University of Illinois at Urbana-Champaign, Department of Civil and Environmental Engineering, Urbana, IL

    Gómez-Zamorano, Lauren
    Universidad Autónoma de Nuevo León, Department of Mechanical and Electrical Engineering, Nuevo León,

    Struble, Leslie
    University of Illinois at Department of Civil and Environmental Engineering, Urbana, IL

    Kim, Eric
    University of Illinois at Department of Civil and Environmental Engineering, Urbana, IL

    Gómez-Zamorano, Lauren
    Universidad Autónoma de Nuevo León, Department of Mechanical and Electrical Engineering, Nuevo León,


    Paper ID: STP156620120106

    Committee/Subcommittee: C01.10

    DOI: 10.1520/STP156620120106


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