Unsaturated Triaxial Testing (Double Wall Cell) System
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The VJ Tech Unsaturated Triaxial Testing (Double Wall Cell) System enables variable suctions to be applied whilst providing accurate measurement of soil volume change. The double wall cell allows the inner and outer cell pressures to be kept at the same value by the Cell Pressure Controller thus eliminating the volume change due to cell expansion.
The Pore Water Pressure controller provides an accurate measurement of water entering or leaving the sample whilst the Automatic Volume Change device (which is connected to the inner cell pressure line) provides the total volume changes of the specimen.
The new Double Wall Cell design separates the Inner Cell completely from the Outer Cell. It has 6 valves for air/water flow (inner cell pressure, outer cell pressure, 2 base water pressure & 2 top cap water/air pressure) and is designed with specially coated material to minimise corrosion.
The Cell base has 7 exit ports, allowing On-Sample Transducers, 2 Bender Elements or a Mid-Pore Pressure Transducer to be fitted, with data logging captured by the additional Input sockets on the TriSCAN Pro Advanced and the Pro Dual APC.
Unsaturated Triaxial Testing (Double Wall Cell) System Available Configuration Possibilities:
Note: This table summarises ALL available options - obviously some combinations are incompatible. The User can select the most suitable configuration for the testing requirements and contact VJ Tech for additional advice on the optimum System setup.
|TriSCAN Pro Load Frame Capacity
|50 or 100 kN (11240 or 22480 psi)
|Double Wall Triaxial Cell Size
|100 mm (4 inch)
||38, 50, 70, or u to 101 mm (1.5, 2, 2.75 or 4 inch)
||2, 3, 5, 10 or 20 kN (450, 675, 1124, 2248 or 4496 lbf)
|Water Distribution Panel
||4-way, 6-way or 8-way
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