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AF2903 Road Construction and Maintenance Placement of Hot Mix Asphalt

AF2903 Road Construction and Maintenance Placement of Hot Mix Asphalt. Dr. Alvaro Guarin Highway and Railway Engineering Department of Transportation Science. Asphalt Production ( Batch Plant ). Asphalt Production ( Continuous Plant ). Asphalt Production. Asphalt Production.

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AF2903 Road Construction and Maintenance Placement of Hot Mix Asphalt

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  1. AF2903 Road Construction and Maintenance Placement of Hot Mix Asphalt Dr. Alvaro Guarin Highway and Railway EngineeringDepartment of Transportation Science

  2. AsphaltProduction (BatchPlant)

  3. AsphaltProduction (ContinuousPlant)

  4. AsphaltProduction

  5. AsphaltProduction

  6. AsphaltProduction

  7. Control segregation No Yes

  8. TarpingLoads

  9. BottomDumptruck

  10. Live BottomTruck

  11. EndDumpTruck

  12. MaterialsTransfer Vehicle

  13. MaterialsTransfer Vehicle

  14. Self Propelled Paving Machine THE BASIC PRINCIPLE HAS NOT CHANGED MUCH

  15. Types of Pavers Wheel type

  16. Types of Pavers Track type

  17. Pavers (Key parts)

  18. Material Flow

  19. Paver Operation

  20. Operational Principles of the Screed • Self-leveling concepts • Screed response versus distance • Forces acting on a screed

  21. Main Forces Acting on Screed • Speed of paver • Head of material • Angle of attack • Other forces • Pre-compaction • Screed weight

  22. Head of Material (Screed)

  23. Types of Grade Reference • Stringline • Mobile reference • Joint matching shoe • Sonic sensor • Laser guided controls

  24. Stringline

  25. Mobile Reference

  26. Joint Matching Shoe

  27. Sonic Sensor

  28. Laser guided controls

  29. Mixture Laydown Problems

  30. Mixture Laydown Problems Centerline Segregation

  31. Questions?

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