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Asphalt Mixing Plant (Factor Affecting Quality (Compaction (1) Material…

- - - - 1) Selection & Proportioning of binder, aggregate and filler
      - 2) Final Optimum Mix ( Bitumen Content, Void in Total Mix, Void in Min, Void Filled in Bitumen, Flow and Stability )
      - 3) Parameter ( Stability, Flow, Stiffness, Void in Total Mix, Void in Aggregates filled with Bitumen )
    - - 1) Optimum lab mix is manufactured in asphalt plant (large quantity)
      - 2) Mix Parameter ( Grading, Bitumen Content, Void in Total Mix, Void in minimum aggregate, Void filled with Bitumen, Flow and Stability)
    - - 1) Access constructability of mix ( Workability )
      - 2) Establish required compaction effort ( Number of Rollings)
      - 3) Test the property of field samples ( After Bedding)
      - 4) Establish production mix parameter.
      - 5) Tolerance for acceptance control
- - - - 1) Aggregate is *dried, heated and mixed with bitumen.
      - 2) Discharged into Hot Conveyor
      - 3) Production rate 300ton/hour
    - - 1) Aggregate is removed from storage.
      - 2) Passes through a Dryer
      - 3) Undergo screening process and deposited into bins.
      - 4) Combined aggregate is dumped into mixing Chamber, Pugmill and mixed with asphalt.
      - 5) Material is transferred into Silo
    - - 1) Similar with the batch plant up to hot bin but differs during mixing
      - 2) Continuous flow of aggregates is used into Pugmill.
      - 3) Bitumen is sprayed continuously.
      - 4)Continuous mixing process