Product Details
 

 
   
Cyclic / Stress Path Triaxial System
 

 

General Description

 

The Wikeham Farrance feedback controlled cyclic triaxial system applies cyclic or dynamic loading to the soil specimen.

The system is a digitally controlled, servo pneumatic (closed loop) system, which controls three parameters: axial stress, confining pressure and back pressure.

The base system incorporates an integrated Multi-Axis Control System (IMACS), a digitally controlled 5 kN actuator, Tritech 50 or Tritech 100 load frame, auxiliary air receiver complete with two servo valves for cell and back pressure control, two air filters and associated cables. The system is supplied complete with cyclic and stress path software.

A double acting digitally controlled pneumatic actuator applies axial load.

This cyclic load can be applied in load (N), stress (kPa), displacement (mm) or strain (%).

Digitally controlled pneumatic valves apply confining and back pressures.

The dynamic tests are generally carried out in conjunction with static imposed conditions of stress to the soil samples.

The WF Static and Dynamic Cyclic Triaxial system has been designed to perform the following tests:
• Standard triaxial tests (UU, CU, CD) including saturation, isotropic and anisotropic consolidation with pore pressure and volume change measurements
• Stress and strain path control tests, including K0 consolidation
• Cyclic loading
• Dynamic shear strength and deformation
• Liquefaction potential
• Shear modulus and damping ratio
• Resilient modulus.
The system can work with different models of triaxial cells for specimen sizes of 50, 70, 100 and 150 mm.

The systems include:
• Load frame (50 or 100 kN capacity)
• 5 kN actuator with coaxial displacement transducer
• IMACS for control and data acquisition
• The software modules described above.
Transducers and triaxial cells (advanced models) are not included with the base system and have to be ordered separately depending on the specimen characteristics.

 

Features

 

• K0 consolidation
• Stress path testing
• Static and dynamic triaxial tests on the same frame
• ± 5 kN cyclic loading
• Up to 25 kN in shear
• 0-70 Hz capacity
• Measurement of liquefaction in soil sands and silts
• Simulation of natural and man-made seismic events
Order Information

31-WF7050 Dynamic triaxial system 50 kN load frame, PC controlled with 20 bit IMACS and 13 channels, 5 kN actuator and air receiver. 110-230 V, 50-60 Hz, 1 ph.

 

*Please consult for correct quotation with accessories

 

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Cyclic or Stress Path Triaxial System

     
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