Dynamic Triaxial Systems

BS 1377:7 | ASTM D2850 | ASTM D4767 | BS 1377:8 | ASTM D5311 | ASTM D7181 | ASTM D3999 | AASHTO T0307
Dynatriax EmS benefits from CONTROLS Group new EmS "Electromechanical Servoactuation" technology.
EmS technology is environmentally friendly and clean to operate, requiring no compressed air or hydraulic oil. It offer excellent reliability, accurate testing and lower maintenance requirements. The intuitive design ensures it can be quickly and easily maintained, only requiring regular lubrication.

31-WF70E06: Dynatriax EmS - Automatically PC controlled dynamic triaxial system with 15 kN Electromechanical Servoactuation. Supplied complete with PC, CDCtriax control and 16 channels data acquisition unit and software. 208-220V, 50-60 Hz, 1ph 

31-WF7000/UNS: Unsaturated soil testing package.
31-WF7000/RES: Resilient modulus determination on compacted samples.

Main features:
  • Electromechanical Servoactuation, no need of compressed air or hydraulic power supply for the vertical force 
  • Capability to perform Static (effective stress and stress path), Dynamic and Unsaturated soil triaxial tests
  • Maximum dynamic load: 15 kN
  • Maximum static load: 10 kN
  • Triple-axes closed loop control of axial load/displacement, cell and back pressure
  • Automatic compensation of cell/back pressure during dynamic stage
  • Operating frequency more than 10 Hz (depending on test conditions)
  • Complete automation of all test stages using an high sensitivity closed loop PID feedback
  • Options available for bender elements testing and for local strain transducers
  • Standard and user defuned wave shapes which can mimic the real in situ measurements (earthquakes)
  • Test set-up by unique programmable multi-stage procedure. When a test is running, it is possible to access all parameters to expand and modify the stages as per the response of the specimen 
  • Manual and automatic emergency shut off function
  • Multitasking, user-friendly Windows-based software pre-installed on the PC
  • Extra-accurate transducers calibration adopting linear or polynomial regression or multi-coefficient linearization

The system controls three closed-loop axes:
  • Axial load/displacement
  • Cell pressure up to 1000 kPa
  • Back pressure up to 1000 kPa