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Institute of Soil Mechanics and Rock Mechanics (IBF)

Engler-Bunte-Ring 14

D-76131 Karlsruhe

Tel.: +49 721 608-42221

Fax: +49 721 69 60 96

E-Mail: info∂ibf kit edu

Standard Rock Mechanics Tests

Druckprüfmaschine 550 kN
  CNC-controlled compression test system

Max. load: 550 kN
Platen diameter: 310 mm
Max. span: 750 mm
Control range of displacement: 0.001 to 500 mm/min

The image shows the testing system at a oedometer test.
Druckprüfmaschine 1000 kN
Servo-hydraulic controlled compression test system

Max. load: 1000 kN
Platen dimensions: 310 x 310 mm
Max. span: 980 mm
Max. piston travel: 35 mm
Control range of displacement: 0.001 to 10 mm/min
Control range of load: 0.01 to 500 kN/min

 

Druckprüfmaschine 5000 kN
  Servo-hydraulic controlled compression test system

Max. load: 5000 kN
Platen dimensions: 480 x 480 mm
Max. span: 1150 mm
Max. piston travel: 80 mm
Control range of displacement: 0.001 to 25 mm/min
Control range of load: 0.04 to 2500 kN/min

As shown here, this testing system is also used with the high-pressure triaxial cell which is described next.

 

Triaxialzelle 600 bar
  High-pressure triaxial cell

Specimen diameters: 50 - 70 - 80 - 100 and 120 mm
Specimen length: Double specimen diameter
Max. axial load: 5000 kN
Max. confinement pressure: 60 MPa (= 8700 psi)
Max. deviatoric stress (worst case): 375 MPa

Left hand the cell, right adjoining the specimen between the two platens, with the sensors for axial and radial deformation mounted.

 

Scherpruefmaschine 500 kN
  Servo-hydraulic controlled direct shear test system

for the evaluation of the shear strength parameters of rock joints.

Max. joint surface: 300 x 150 mm
Max. normal load: 500 kN
Max. shear load: 500 kN
Max. shear displacement: 90 mm
Control range of shear displacement: 0.001 to 100 mm/min