THE EFFECT OF USING RECYCLED CONCRETE ON THE MECHANICAL AND TECHNOLOGICAL PROPERTIES OF CONCRETE IN THE PRODUCTION OF PRECAST

  • 1Mendel University in Brno, Faculty of AgriSciences, Department of Agriculture, Food and Environmental Engineering, Brno, CZ
  • 2Technical University of Kosice with a seat in Presov, Faculty of Manufacturing Technologies, Presov, SK

Abstract

The paper deals with the verification of the possibility of replacing natural aggregate with recycled aggregate concrete (RAC) in the production of precast concrete. In the practical experimental part, concrete mixtures with different proportions of recycled concrete are tested. The results shows that the use of recycled concrete as a substitute for aggregates is possible. However, the ratio of replaced aggregate is important because of the higher proportion of concrete recycled material would result in deterioration of the final properties of the concrete.

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