Testing High-RAP Mixes with Asphalt Rejuvenators
Theย use of reclaimed asphalt and recycled asphalt materialsย is becoming increasinglyย widespread.ย High-RAP mixtures, or thoseย defined as thoseย containingย more than 25% RAP by total mix weight, canย offer significant environmental and economic benefits by reducing reliance on virgin aggregates and binder.ย ย However, increasing RAP contentย canย introduceย performance challenges. The aged binder in RAP is typically stiff and brittle, which can negativelyย impactย cracking resistance and long-term durability. [...]