Dynamic Triaxial System
VJ Tech offers a variety of Dynamic Triaxial Systems, ranging from 5kN/5Hz up to 50kN/20Hz. The dynamic triaxial system can be configured to meet your exact user requirements, whether testing small or large specimens, with Bender Elements, or on-sample local strain sensors. VJ Tech provides a Dynamic Servo Controller that can accommodate up to 8 Input Channels, support various waveforms, and has adaptive PID Control, allowing the system to automatically adjust internal PID Settings to ensure the target load/displacement is met whilst the sample stiffness changes during the test.
Standard system configurations include Pressure Volume Controllers for Back Pressure and Cell Pressure control, with an upgraded option of a Dynamic Cell Pressure Controller for enhanced cell pressure regulation, or for dynamically cycling the lateral pressure around the sample.
Clisp Studio software streamlines the entire testing process, including Saturation, various Consolidation phases (Isotropic, Anisotropic, or K0), Static Loading, Stress Path, and Cyclic Shear (Stress or Strain) tests, allowing for easy setup and execution.
- Highlights And Features
- Technical Specifications
- Tests performed & Standards
- Upgrade Options
- Dynamic or Hydraulic Servo Controller includes up to 8 Input Channels for Sensors
- Closed loop control
- Built-in signal conditioning
- Supports Sinusoidal, Square, Triangular, Haversine, Saw Tooth, Inverted Saw Tooth, Rectangular, User Defined waveform.
- Adaptive PID (Peak and Trough Control) during testing
- USB or Ethernet connectivity for PC Control
- High Speed sensor conversion (24 bit, up to 4000 samples/cycle or 500/sec)
- Built-in Auto engage function with definable engage value
- Auto reverse from limit switch activation
- Lower and upper limit switch motion control
- Dynamic (Cyclic) Triaxial Test
- Triaxial Tests (UU, CU, CD)
- Stress Path tests
- Advanced Triaxial and Cyclic Tests
Available in a variety of Displacement Ranges, common sizes (mm) are 10, 25, 50, 100.
Internal Submersible Load Cells are pressure compensated, and positioned within the Triaxial Cell (or Pressure Chamber). They are typically used for more advanced tests and required for Anisotropic/k0 Consolidation and Extension Tests. Available in a variety of load ranges; common capacities (kN) include 5, 10, 25, and 50. Additional sizes are available upon request.
Available in a variety of Pressure Ranges. Typically used for PwP measurement and will require a De-aired Block
Allows for mid-height PwP Measurement, this sensor is mounted directly on the Sample. Available in a variety of Pressure Ranges.
The Access Ring upgrades your Triaxial Cell to acccommodate internal sensors, allowing the cables to exit the Chamber without leakage.
Top Caps and base pedestals are available in a variety of sizes and are designed to be easily interchanged within your Triaxial Cell. Top Caps are available in a range of types, including Domed (Compression only), Fixed (Compression and Extension) and Suction (Compression and Extension)
Typically includes one radial caliper, two axial brackets, and three LVDT sensors. If required, a Signal Conditioning box can be provided.
Available in both Vertical and Horizontal positions, in a variety of sizes.
De-aired water tank (19 litre capacity) availability in hard anodised finish, or stainless steel for better durability. Vacuum pump is required; sold separately.
The Solenoid Valve allows for complete automation by opening/closing valves eliminating the need for user intervention. This is achieved via Software integration.
Assists users fill/empty their Pressure Controllers, Triaxial Cells and other pressure chambers. A variety of sizes panels are available to connect multiple devices. Can be supplied with or without a mechanical pressure gauge; which can act as an independent reference point.
Available in a variety of sizes
Variety of sizes available in Bauxite stone or Sintered Metal for improved durability during high loads
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