oa Civil Engineering = Siviele Ingenieurswese - Stiffness of concrete made with granite and andesite aggregates



Concretes containing two types of aggregate, crushed granite and crushed andesite from the Witwatersrand area, were studied in order to quantify the influence of aggregate stiffness and volume concentration on elastic properties. Representative paste and mortar mixes were extracted from the basic concrete mixes, and elastic properties of these materials, as well as of rock core specimens from the two aggregate types, were determined.


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