Columnless Cyclic Triaxial Testing System

Cyclic Triaxial Testing System with compensated Ram

The column-less loading system applies the static and cyclic loads from the bottom of the Triaxial cell. The top of the cell is free operating space to facilitate installation of sample or local strain measuring devices.

The Triaxial cell is connected to a lifting mechanism that lifts the cell wall up and gives the easiest way for the operator to handle the cell.

The load piston has the possibility to compensate for cell pressure changes effected by the volume change of the piston inside the triaxial cell during cyclic and static tests.

This loading system is specially designed and configured for cyclic Triaxial tests and use compensated ram technology. The system includes a special load pistol construction to compensate cell-pressure changes affected by the volume change of the movement of piston in and out of the triaxial cell.


  • Features
  • Specifications
  • Upgrade Options
  • Software
  • Standards
  • Applications
  • Electromechanical precision servo-drive for highly precise environmental-friendly device control.
  • Specially designed and configured for static and cyclic triaxial test methods.
  • Environmental-friendly unit, no need for compressed air, or hydraulic power source.
  • Static and dynamic load applies from the bottom of triaxial cell.
  • Different submersible transducers for higher accuracy is available.
  • For all requirements of seismic research, and all kinds of stress and strain path tests
  • Electromechanical or Servo-Pneumatic Cyclic pressure controller for generating hydrostatic pressures (3, 10 or 20 bar) up to 10 Hz to perform static or cyclic confining pressures.

Static and cyclic axial load

Up to 20 kN            Up to 60kN

Cyclic frequency

Up to 10 Hz            Up to 5 Hz

Confining pressure

Up to 3 MPa

Confining pressure frequency

Up to 5 Hz

Sample Size

Up to 150 mm

  • Lifting device for Triaxial cell
  • Temperature control package
  • Bender Element package
  • Unsaturated Test
  • Local strain transducers
  • Submersible load cell
  • High-Pressure cell
  • Resilient Modulus test
  • K0 tests
  • Water degassing apparatus
  • Cyclic Cell and back Pressure
  •  
  • Data Acquisition, processing, and device management (DPD) Module
  • Saturation Module
  • B-value -Test Module
  • Consolidation Module (Isotropic or anisotropic)
  • Permeability Test Module
  • Stress path module: Linear stress paths- p, q or s, t
  • Static Shear Stage Module: UU: Unconsolidated Undrained Triaxial Test (Total Stress test)
  • Static Shear Stage Module: CU: Consolidated Undrained Triaxial Test with pore pressure measurement (Effective Stress test)
  • Static Shear Stage Module:CD: Consolidated Drained Triaxial Test with pore pressure measurement (Effective Stress test)
  • Unsaturated Test Module
  • K0 Test Module
  • Tension (Extension) Test Module
  • Dynamic Shear Stage Module :
  • Advanced loading Module
  • Resilient Modulus Test Module
  • Temperature-Controlled Triaxial Testing
  • Cyclic Cell / Back Pressure Module
  • EN 13286-7:2004 (E)
  • Unbound and hydraulically bound mixtures. Cyclic load triaxial test for unbound mixtures

  • AASHTO T-292
  • Interim Method of Test for Resilient Modulus of Subgrade Soils and Untreated Base/Subbase Materials

    (replaced by AASHTO T-307)

  • AASHTO T-294
  • Standard Method of Test for Resilient Modulus of Unbound Granular Base/Subbase Materials and Subgrade Soil-SHRP Protocol P46

  • AASHTO T-307
  • Standard Method of Test for Determining the Resilient Modulus of Soils and Aggregate Materials

  • AASHTO T-307-99
  • Standard Method of Test for Determining the Resilient Modulus of Soils and Aggregate Materials

  • AASHTO TP-46
  • Standard Test Method for Determining the Resilient Modulus of Soils and Aggregate Materials

    (replaced by AASHTO T-307)

  • Austroads AG:PT/T053
  • Determination of permanent deformation & resilient modulus characteristics of unbound granular materials under drained conditions

  • Detailed information will follow soon
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