Modelling the microstructure of concrete with spherical grains
Date
2006
Authors
Ballani, Felix
Daley, Daryl
Stoyan, D
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Publisher
Elsevier
Abstract
The modelling of the geometrical structure of a special kind of concrete is discussed. It is a matter of self-flowing refractory castables with spherical grains. The system of hard spheres is compared to several well-established models of spatial statistics and statistical physics as well as to a model used by concrete engineers. It turns out that the structure can be well described by the latter model and a further newly developed model, which is similar to a marked Gibbs process. The result is based on the comparison of common summary statistics like the pair correlation function and the spherical contact distribution function.
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Keywords: Correlation theory; Gibbs free energy; Mathematical models; Microstructure; Refractory concrete; Spheres; Statistical process control; Dense random packing; Hard spheres; Marked Gibbs process; RSA models; Concretes Dense random packing; Hard spheres; Marked Gibbs process; RSA model
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Source
Computational Materials Science
Type
Journal article
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2037-12-31
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