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rock stress measurement

  • expominoficial cover e1744780719917
    Published On: April 16, 2025

    Sigra to Attend Expomin 2025 in Chile with TIQ Queensland

    Sigra is proud to announce that our esteemed Principal Engineer, Darryl Smith, will represent us as part of the Trade [...]

    Read More
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    Sigra provides the experienced field personnel with the capability to conduct the standard exploration drilling supervision and analysis in conjunction with the geotechnical aspects essential to mine design and specific mining related problems.

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  • Geotechnical Engineering & Geomechanics
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    Rock
    • Rock Properties Testing
      • Uniaxial Testing
      • Shear Testing
      • Tensile Testing
      • Triaxial Testing
      • Hydrostatic Testing
      • Index Testing
      • Geophysical Comparisons
      • Other Tests
    • Stress Measurement in Rock
      • In-Situ Stress Testing By Overcoring – 2D
      • In-Situ Stress Testing By Overcoring – 3D
      • Hydrofracture
      • Hydrojacking
      • Core Ovality
      • Borehole Breakout
      • Surface Stress Measurement
      • Stress Change Monitoring
      • Tectonic Strain
    Coal & Shales
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      • Coal Structure
      • Carbonate Content – Matrix & Fracture
      • Coal Shrinkage with Desorption
      • Proximate & Moisture Analysis
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      • Injection Fall Off Testing & Falling Head Testing
      • Interference Testing – Well Test with Piezometers
      • Pulsed DST Testing
      • Diagnostic Fracture Injection Testing – DFIT
      • Permeability Testing from Underground
      • Core Permeability
    • Pressure Measurement
      • Piezometers
    • Stress-Related Permeability
    Gassy Rocks – Coals and Shales
    • Gas Content Measurement
      • Gas Content From Core Desorption
      • Gas Content Without Coring
      • Gas Content From Cuttings
    • Gas Sorption Isotherms – Gas Storage
      • Isotherms by Regassing
      • Native Sorption Isotherms
    • Diffusional Behaviour
      • Diffusion from Cuttings
      • Apparent Diffusion Coefficient from Core
    • Stress & Permeability Changes – Stress Path
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