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Servo-controlled platform for uniaxial, triaxial, cyclic, creep and post-peak testing of rock and analogous geomaterials.

Applications and System Scope

Uniaxial and conventional triaxial compression
Complete stress-strain and post-peak response
Elastic modulus, Poisson’s ratio and strength
Cyclic loading, unloading and fatigue
Creep and stress-relaxation tests
Brazilian splitting with optional fixture

Configuration and Engineering Options

Standard configuration

Servo-hydraulic loading frame
Triaxial pressure cell
Load and actuator-displacement measurement
Confining-pressure control
PC-based control and DAQ
Safety enclosure and shutdown logic

Common engineering options

Local axial and radial strain
Post-peak control package
Alternative platens and fixtures
Brazilian splitting module
Acoustic velocity or AE
Electrical resistivity

Automation and Data

Programmable ramps, holds, cycles and stability criteria
Independent closed-loop control of selected mechanical, pressure, flow and temperature channels
Synchronized data acquisition with real-time plots and raw-data export
Alarm handling, event logging and controlled shutdown logic

RFQ Inputs

Required information	Examples
Specimen	Material, diameter, length, jacket and end interfaces
Mechanical envelope	Maximum load/stress, displacement, strain and rate
Pressure and temperature	Confining, pore/back pressure, minimum/maximum temperature
Fluids and materials	Fluid identity, phase, corrosivity, solids and compatibility
Measurement and automation	Strain, flow, acoustic/electrical options, sequence and data format

Reference guidance only. Final guaranteed specifications are defined in the project-specific technical proposal and approved datasheet.

Maximum axial load	Up to 2,000 kN
Frame stiffness	10 MN/mm reference
Confining pressure	Common configurations to 70 MPa; higher by design
Temperature	Ambient or heated configuration
Specimens	Commonly Ø25–50 mm; custom sizes
Control modes	Load / stress / displacement / strain / rate