Rock triaxial tester Load Frame triaxial systems Instruments

Rock triaxial tester Load Frame triaxial systems Instruments is designed to reproduce the stress conditions that rocks experience underground, allowing researchers to study their mechanical behaviour with high accuracy. By independently controlling axial stress, confining pressure and pore pressure, the device creates a realistic three-dimensional stress environment. This enables measurement of key properties such as triaxial compressive strength, elastic modulus, Poisson’s ratio, deformation behaviour, and post-failure response. It also allows investigation of fracture initiation, microcrack evolution, and long-term processes like creep or compaction. When combined with hydraulic or acoustic measurements, the unit provides insight into how stress influences fluid flow, pore structure, and seismic properties. When equipped with hydraulic fracturing capabilities, the cell allows controlled injection of fracturing fluid into a sample’s borehole to study fracture initiation and propagation under reservoir-like stresses. Integrated Acoustic Emission (AE) monitoring provides high-resolution detection of microcrack activity throughout loading and fracturing, revealing fracture precursors and damage evolution. Overall, Rock triaxial tester Load Frame triaxial systems Instruments is a versatile tool for understanding rock mechanics, hydraulic fracturing behaviour, and geomechanical processes under realistic subsurface conditions.

Core diameter :

• up to 54.7 mm (Model 1)
• up to 100 mm (Model 2)

Core length :

• Twice the diameter

Compression axial load stress :

• 1,000 kN (Model 1)
• 2,500 kN (Model 2)

Maximum confining pressure :

• 70 / 100 MPa

Maximum pore pressure :

• 70 / 100 MPa

Working temperature :

• Ambient to 150°C

Wetted parts :

• Stainless steel

Power supply :

• 110-220 VAC, 50/60 Hz

• Measures rock strength & deformation: Pre-failure behaviour, peak and residual strength, creep.
• Measures rock properties: Stress-dependent porosity, permeability, compressibility, Vp/Vs, resistivity.
• Measures rock damage & fractures: Microcracking and fracture growth via Acoustic Emission.