HomeGlossaryLaydownGlossaryLaydownThe portion of the HMA paving process where the HMA is actually placed or "laid down" by the paving machine.Used inAsphalt PaverAsphalt Production and Oil RefiningIntroduction to PlacementKinematic ViscosityLongitudinal CrackingMaterial Transfer VehiclesQuality ControlTransportTransverse CrackingViscosity GradingAll glossary terms