Standard Rock Mechanics Tests
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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. |
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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 |
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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. |
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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. |
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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 |