STUDY OF THE DOSAGE OF POROUS FRICTION LAYERS

STUDY OF THE DOSAGE OF POROUS FRICTION LAYERS

Guidelines and Methods

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In Brazil, road transport is the main means of transportation and the vast majority of roads are paved with asphalt concrete as a surfacing layer. The Porous Friction Layer (PFL) is characterized by having an open grain size with a small amount of fines and a high percentage of void volume. This study characterized granite aggregates and AMP 55/75 asphalt binders and verified the suitability of these constituents for producing PFA. The methodological stages of the research corresponded to the physical characterization of the aggregates; rheological characterization of the binder; and asphalt d...