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Asphalt Prism Shearbox Compactor PReSBOX®

Unique solution for specimen preparation

ASTM D7981

Asphalt Prism Shearbox Compactor PReSBOX
Heater for PReSBOX
Sofware detail
Charging the compaction mould with loose asphalt
Commencing the test
Removing the sample

Main Features

  • The PReSBOX produces a prismatic speciment with nominal dimensions of 4510 mm (lenght) x 150 mm (width) x 120 to 185 mm (height)
  • Asphalt prisms prepared in the PReSBOX compactor can be sawn or cored to produce 4-6 prismatic beams or 1-4 cylindrical specimens
  • The PReSBOX can be operated by a single person
  • Produces specimens with excellent air void distribtion and particle orientation
  • Designed for an easy unlocking of the compaction mould, facilitating an effortless speciment extraction at safe height, handling and user safety
  • tecnical specifications
    • Scroll the table
      • Shearing motion: Electromechanically driven at 4°
      • Vertical stress: Pneumatic user defined up to 2 MPa
      • Specimen size: 450 x 150 x 120 - 185 mm (l x w x h)
      • Integrated specimen extruder
      • Specimen Loading: Easy loading with included accessory kit (includes: distribution chute, levelling tool & comb)
      • Compaction Frequency: 3.7 cycle/min +/- 16 s/cycle
      • Mould hardness: 50 Rockwell C (minimum)
      • Platen hardness: 50 Rockwell C (minimum)
      • Mould surface: finish smoother than 1.6 µm
      • Loading platen size: 448 x 149 mm (l x w)
      • Loading platen finish: smoother than 1.6 µm
      • Numbers of cycles: user definable (unlimited)
      • Air supply: clean dry air supply at minimum 600 kPa
      • Size (h x w x d): 1540 x 1765 x 1050 mm
      • Weight: 1100 kg
  • ordering info
    • 77-PV46A02
      PReSBOX, Asphalt Prism Shearbox Compactor.
      220-240 V, 50-60 Hz, 1ph.
  • accessories
    • 79-PV71102
      Pneumatic filtration kit - wall mount, 12 bar.

      77-PV46202
      Heater to pre-heat the box walls. 220 V, 50-60 Hz, 1 ph

      77-PV46204
      Heater to pre-heat the box walls. 110 V, 60 Hz,1 ph

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