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Triaxial Load Frames
Triaxial Load Frames are used to determine shear strength tests (stress-strain relationships) performed in geotechnical testing labs. Soil specimens for triaxial tests are mounted in test cells which will be pressurized using fluid to replicate confining pressures typically found in the field.
Triaxial test cells are placed in a load frame where loads will be applied axially to determine the stress-strain relationships, which ultimately provide information about the sample's shear resistance, strength, and cohesion. These values are critical in the prediction of slope stability and structural foundation behavior.
Servo Control Load Frames, 0.00001–2in/min, 10,000/20,000lbf
Models have a load capacity of either 10,000 or 20,000lbf (44.4 or 89kN) with various strain rate options. Controllers regulate strain rates to ±1% of the set point.
These heavy-duty units have a sturdy 16-gauge painted steel enclosure with an 11.9x37.3in (302x947mm) WxH frame opening and 8in (203mm) platen diameter. Adjustable nuts on 1.25in (32mm) diameter coarse-threaded rods allow quick adjustments of the horizontal crosshead height.
Digital and analog components are required to measure applied load and sample deformation. Components are user-friendly instruments that easily attach to the load frames for accurate and reliable triaxial shear strength testing.
Data Acquisition Software is available for automatic recordings of axial load and deformation data of UU, CU, CD, or unconfined soil samples. Pore pressure values can also be recorded or manually entered with a Pore Pressure Transducer and Digital Readout.
