COMPARISON OF PERFORMANCE CHARACTERISTICS FOR ASPHALT CONCRETE MIXTURES WITH 40 % RECLAIMED ASPHALT AND DIFFERENT BINDER SOLUTIONS

Author(s): Pavla Vacková, Jan Valentin, Majda Belhadj
Paper category: Proceedings
Book title: IV International Conference Progress of Recycling in the Built Environment
Editor(s): Isabel M. Martins, Carina Ulsen, Yury Villagran
ISBN:
e-ISBN: Isabel M. Martins, Carina Ulsen, Yury Villagran
Publisher: RILEM Publications SARL
Publication year: 2018
Pages: 282-290
Total Pages: 09
Language : English

Abstract: The recycling of asphalt pavement by re-using reclaimed asphalt material in new asphalt
mixtures is a commonly known solution which has gradually developed over the last 40 years.
Nevertheless the recycling rates remain rather limited in many countries. The reasons include
restrictions in technical standards, necessary investments in the asphalt mixing plants or
disbelief in the equality of asphalt mixtures containing reclaimed asphalt with regular asphalt
mixtures. Asphalt recycling becomes even more challenging if increased proportions of
reclaimed material are to be used or if such material should be added to asphalt mixtures
containing polymer modified binders. This is the reason why an experimental study has been
commissioned (as the first step prior to a larger trial section scheduled for 2018), to compare
different technical solutions of asphalt concrete - rejuvenation, soft paving grade bitumen and
so-called RC polymer modified bitumen. Regular empirical tests as well as more advanced
performance characteristics have been determined and evaluated (stiffness, thermal induced
cracking, flexural strength, asphalt ageing impact). Selected results are presented in the paper.

Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00