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Computer investigation on random fibre distribution in cement composites


An analysis of construction component cross-sections

 


This present study addresses the problem of fibre distribution homogeneity in concrete elements. Earlier studies have shown that the size of an element does indeed have any influence on fibre alignment in the concrete mix. If the depth of a given element only insignificantly exceeds the lengths of fibres embedded in it, the overwhelming majority of these fibres will tend to orient themselves horizontally. The lack of fibre regularity and directional reorientation during technological processes causes difficulties as regards the expected random distribution in the concrete mix. Therefore, investigations of this randomness on workability and strength parameters were carried out for normal and self-compacting concretes. In this paper, an analysis is presented in which cross-sections of concrete beams featuring steel fibres are closely examined.

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The Silesian University of Technology,
Department of Materials Engineering and Building Processes
Akademicka 5
44-100 Gliwice, Poland
Tomasz.Ponikiewski@polsl.pl
www.polsl.pl


CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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