Controls Group http://www.controls-group.com/images/logo_controls.gif Triaxial test - Universal and Automatic triaxial cell for UTM, AST Pro and AsphaltQube Triaxial test - Universal and Automatic triaxial cell for UTM, AST Pro and AsphaltQube
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Asphalt/bituminous mixture

Triaxial test - Universal and Automatic triaxial cell for UTM, AST Pro and AsphaltQube

AASHTO TP46 | AASHTO T307 | NCHRP 9-29 | AASHTO TP79 | AASHTO T342 (ex TP62) | EN 12697 - 25B | AASHTO T378
Main features
Universal triaxial cell
  • Incorporated low friction linear (Thompson) ball bushing on loading shaft to keep fiction to a minimum
  • Limited acrylic (see through) area for greater safety
  • Facilitates 2 LVDTs and mounting brackets for precise direct shaft position measurement
  • Fitted with pressure relief valve for greater safety
  • Facilitates external axial strain transducer mounting system
  • Facilitates up to three “through the wall” radial strain transducers
  • Facilitates internal temperature measurement
  • Facilitates three internal transducers with Lemo “feed-through” connectors as standard and has provision of up to five electrical “feed-through” connectors
  • Provision of anchor points for the bottom platen and triaxial cell, to facilitate direct tension testing
  • Geotechnical version available with pore and back pressure ports
  • Versatile, user friendly and accurate device for triaxial confinement of the specimen
  • Suitable for asphalt, soils and unbound granular materials
Automatic triaxial cell
  • Automatic pneumatically operated lift cylinders that raise and lower the cell wall
  • Fitted with pressure relief valve for greater safety
  • Crystal clear heavy duty acrylic cell wall for maximum visibility of specimen
  • Low friction loading shaft
  • Capable of operating between -15° to +60° C
  • Provision for pressure and temperature transducers
  • Provision for up to three (internal) on specimen transducers
  • Cell pressure up to 275 kPa
  • Versatile, user friendly and accurate device for lateral confinement of the specimen
  • Suitable for asphalt, soils and unbound granular materials
Triaxial cell to be used only with AST Pro, in compliant with EN 12697-25B, is available.
General description
General description
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Technical specifications

Universal Triaxial Cell
  • Max working pressure: 700 kPa (water), 400 kPa (air)
  • Max specimen size (dia. x h): 150 x 300 mm
  • Loading shaft travel: 160 mm
  • Dimensions (dia. x h): 300 x 600 mm, 330 x 667 mm
  • Weight (approx.): 40 kg
Automatic Triaxial Cell
  • Confining air: Clean dry air, 400 to 500 kPa, 2 litres/second
  • Lift cylinder air: 400 to 500 kPa, negligible air consumption
  • Open height: 655 mm
  • Closed height: 405 mm
  • Width: 418 mm
  • Weight: 50 kg

Ordering info

79-PV70300
Universal Triaxial Cell (UTC) – Standard for specimens up to 150 mm dia. x 300 mm high, to AASHTO T307TP46 for UTM-16P, UTM-30 and UTM-130 (not recommended); to AASHTO T342/TP 62 and AASHTO TP79 (NCHRP 9-29) for UTM-30 and UTM-130; to EN 12697-25B for UTM-16P, UTM-30 and UTM-130

79-PV70330
Automatic Triaxial Cell (ATC) to AASHTO T342/TP62 and AASHTO TP79 (NCHRP 9-29) for UTM-30 and UTM-130; to EN 12697-25B for UTM-16P, UTM-30 and UTM-130

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