PavementConstructionTechniguesfor Hot Mix AsphaltProf. dr. ir. Andre A.A. MolenaarTUDelftDelftUniversityofTechnology
1 Pavement Construction Techniques for Hot Mix Asphalt Prof. dr. ir. André A.A. Molenaar
Contents1. Introduction2.Batch plant3. Drum mix plant4.Exhaust gasses and dust5. Transport6. Paving7. Compaction8. Some developmentsAugust31,2025TUDelft
August 31, 2025 2 Contents 1. Introduction 2. Batch plant 3. Drum mix plant 4. Exhaust gasses and dust 5. Transport 6. Paving 7. Compaction 8. Some developments
1. INTRODUCTIONAugust31,2025TUDelftDelft Universityof Technology
August 31, 2025 3 1. INTRODUCTION
ControlovertheentirechainProduction TransportLaydown(onpreparedsurface)CompactionAugust31,2025TUDelft
August 31, 2025 4 Control over the entire chain • Production • Transport • Lay down (on prepared surface) • Compaction
Why Control?August31,2025ATUDelft
August 31, 2025 5 Why Control?
ProductionunitThe production unit must beableto providematerial that satisfies the requirementsaccording to the specifications.This means:Properproportionofcomponents.Proper heating of aggregatesProperheatingofbitumen.Properblending/mixingof materialsAugust31,2025TUDelft
August 31, 2025 6 Production unit • The production unit must be able to provide material that satisfies the requirements according to the specifications. This means: • Proper proportion of components • Proper heating of aggregates • Proper heating of bitumen • Proper blending/mixing of materials
ProductionBasicmaterials.ProductionunitsBatchplantDrummixplantAugust31,2025TUDelft
August 31, 2025 7 Production • Basic materials • Production units • Batch plant • Drum mix plant
Sand, stone and RAPAugust31,2025TTUDelft
August 31, 2025 8 Sand, stone and RAP
aggregate storage bunker
August 31, 2025 9 aggregate storage bunker
August 31, 2025 10