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Erschienen in:
Open Access 01.12.2017 | Practice-oriented Paper
Study of the effects of mechanical and chemical treatment of rubber on the performance of rubberized roller-compacted concrete pavement
Erschienen in: Innovative Infrastructure Solutions | Ausgabe 1/2017
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Abstract
This study aims to analyze the possibility of valorizing rubber waste in roller-compacted concrete pavement (RCCP) mixes as aggregates. The rubber particles were added to the mix as partial replacement of the total volume of gravels at different rates (5, 10, 15, 20, 25, 30%). The experimental approach followed in this research consisted of studying the effects of the incorporated rubber on the mechanical properties of RCCP. The obtained results show that the incorporation of rubber changes the behavior of RCCP mixes. In presence of rubber, the RCCP became more ductile. The principal disadvantage of rubber incorporation was the decrease in the mechanical properties of RCC. To remedy this problem, the rubber particles were subjected to a treatment and silica fume was added to the mix. The obtained results showed that the performance of RCCP can be improved by modifying the surface roughness of rubber particles. Therefore, a large part of strength losses were corrected.