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Development of design parameters for virtual cement and concrete testing : [summary].
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  • Abstract:
    At its most basic, concrete is made from cement

    and aggregate, often Portland cement and gravel

    (or in Florida, limestone). Varying ingredients and

    their proportions directly influences the behavior

    of the final cement and concrete products.

    However, the full range of testing necessary

    to characterize the behavior of new concrete

    mixtures is an expensive and time-consuming task.

    The chemistry of concrete is complex, but

    research has laid a foundation of knowledge about

    the chemistry of concrete’s constituents that has

    allowed the National Institute of Standards and

    Technology to develop a software package, Virtual

    Concrete and Cement Testing Laboratory (VCCTL),

    that can predict the performance of concrete

    mixes. VCCTL requires an essential ingredient of

    its own to make accurate predictions: thorough

    characterization of the materials being simulated,

    especially in the case of materials drawn from a

    specific location, such as Florida limestone.

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