Tension-Compression Test of a Concrete Specimen Via a Structure Damage Theory

by Chien H. Wu, Univ of Illinois at Chicago, Dep of, Civil Engineering, Mechanics &, Metallurgy, Chicago, IL, USA,

Abstract: The concrete sample is assumed to consist of a large number of aggregates and cement paste. Their material properties are assumed to be perfectly elastic. The effective elastic property of such a perfectly bonded composite material can be determined. We shall first replace the cement-aggregate composite by a homogeneous elastic material with a set of imaginary interior cement-aggregate boundary surfaces. These surfaces are assumed to be weak in some sense, and the purpose of this paper is to discuss the effects of the presence and propagation of cracks on these surfaces on the overall response of the sample.

Subject Headings: Composite materials | Elastic analysis | Material tests | Cement | Aggregates | Homogeneity

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