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Title	Assessment of reclaimed asphalt pavement (RAP) as recycled aggregate for concrete
ID_Doc	18263
Authors	Masi, G; Michelacci, A; Manzi, S; Bignozzi, MC
Title	Assessment of reclaimed asphalt pavement (RAP) as recycled aggregate for concrete
Year	2022
Published
Abstract	A study about the performances of reclaimed asphalt pavement (RAP) sourced from 5 different Italian collection sites is presented to evaluate RAP as aggregate for concrete. Several RAP properties were investigated: physical properties (particles size distribution, water absorption, porosity, wettability), microstructure by microscopy, dimensional stability (drying shrinkage of mortar and concrete with 100% of RAP as aggregates) and durability assessment by freezing-thawing cycles. Several differences between RAP and natural aggregates used for concrete were highlighted. The use of RAP as recycled aggregate for concrete is a promising route, but a complete characterization is needed to ensure concrete performance and durability.
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