This paper illustrates the results obtained in a study which focused on the mix design and performance-related characterization of rubberized dense-graded mixtures containing a viscosity reduction additive and different percentages of reclaimed asphalt. Following preliminary mix design, plant-produced mixtures were employed for the construction of full-scale trial sections and were subjected to standard quality assurance tests and to advanced mechanical characterization tests. Analysis of results was performed by referring to typical acceptance thresholds and to the outcomes of simplified viscoelastic continuum damage modelling. It was concluded that reclaimed asphalt can have a non-negligible effect on performance properties and that the considered rubberized mixtures, which can be compacted at reduced temperatures, are suitable for paving applications

Performance Assessment of Rubberized Mixtures Containing Reclaimed Asphalt and a Viscosity Reduction Additive / Urbano, Leonardo; Dalmazzo, Davide; Riviera, Pier Paolo; Santagata, Ezio. - ELETTRONICO. - 76:(2020), pp. 457-467. [10.1007/978-3-030-48679-2_43]

Performance Assessment of Rubberized Mixtures Containing Reclaimed Asphalt and a Viscosity Reduction Additive

Urbano, Leonardo;Dalmazzo, Davide;Riviera, Pier Paolo;Santagata, Ezio
2020

Abstract

This paper illustrates the results obtained in a study which focused on the mix design and performance-related characterization of rubberized dense-graded mixtures containing a viscosity reduction additive and different percentages of reclaimed asphalt. Following preliminary mix design, plant-produced mixtures were employed for the construction of full-scale trial sections and were subjected to standard quality assurance tests and to advanced mechanical characterization tests. Analysis of results was performed by referring to typical acceptance thresholds and to the outcomes of simplified viscoelastic continuum damage modelling. It was concluded that reclaimed asphalt can have a non-negligible effect on performance properties and that the considered rubberized mixtures, which can be compacted at reduced temperatures, are suitable for paving applications
978-3-030-48678-5
978-3-030-48679-2
Proceedings of the 9th International Conference on Maintenance and Rehabilitation of Pavements—Mairepav9
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2837074