TCRAP – TG5 Chairs: Davide Lo Presti, Kamilla Vasconcellous
Degree of Binder Activity (DoA) is the minimum amount of RAP binder that can be consider ed active in a new mixture formulation. The DoA has been shown to vary a great deal with temperature and type of RAP.
The main aim of this inter-laboratory exercise is to allow the identification of recommendations that will not involve binder recovery and will imply the use of very few conventional laboratory equipment. Binder recovery is performed in this investigation only for validation of the procedures:
" To select and characterise up to 12 RAPs representative of a wide range of available RAPs. This will be further selected for the different purposes of the project.
" To perform the RAPs characterisation and apply the DoA methodology, for further correlations with the RAP properties.
" To summarise the RAP classification in a user-friendly package including a RAP classification spreadsheet and allowing the creation of RAP Labels to be used as guidelines for future binders and mixes design. ... [more]