Analytical approach for the mix design optimisation of bituminous mixtures with crumb rubber
| Autor: | Sara Bressi, Natalia Colinas-Armijo, Gaetano Di Mino |
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| Přispěvatelé: | Sara Bressi, Natalia Colinas-Armijo, Gaetano Di Mino |
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Crumb rubber
Mix design Rubberised asphalt Superpave gyratory compactor Civil and Structural Engineering Building and Construction Materials Science (all) Mechanics of Materials Materials science 0211 other engineering and technologies 020101 civil engineering 02 engineering and technology 0201 civil engineering Natural rubber Asphalt pavement 021105 building & construction Settore ICAR/04 - Strade Ferrovie Ed Aeroporti General Materials Science Composite material Strength of materials Crumb rubber Superpave gyratory compactor Mix design Rubberised asphalt Asphalt visual_art Solid mechanics visual_art.visual_art_medium Deformation (engineering) |
| Popis: | The present paper provides a basis for defining a mix design method specifically tailored to rubberised asphalt that takes into account the behaviour of crumb rubber. An analytical approach to quantifying the recovered deformation of crumb rubber in the post-compaction phase has been developed in order to adjust the number of gyrations proposed by the Superpave method for compacting specimens of hot mix asphalt using a Superpave gyratory compactor. The maximum allowable amount of rubber has been calculated. Finally, a step-by-step protocol has been proposed in order to fabricate and compact crumb rubber modified mixtures with the gyratory compactor. |
| Databáze: | OpenAIRE |
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