Soil & Rock Testing Laboratory (R&D Unit)

SGES has equipped with the following state of art facility for testing soil, rock samples and geo synthetic materials adhering to relevant Bureau of Indian standards (BIS)/ASTM and BS standards.

Tests on Soil Samples

  • Classification Tests
    • Unit Weight and Moisture Content
    • Atterberg’s limits
      • Liquid Limit
      • Plastic Limit
      • Shrinkage Limit
    • Grain Size Distribution
      • Sieve and hydrometer analysis
    • Specific Gravity
    • Free Swell Index
  • Chemical Tests
    • pH of soil
    • Sulfate
    • Chloride
    • Carbonate content
    • Organic Matter
  • Dispersivity of Soils
    • Double Hydrometer Test
    • Pin-hole Test
    • Emerson Crumb Test

Engineering Property Tests

  • Undrained Shear Strength of Cohesive Soils
    • Torvane
    • Minivane
    • Pocket Penetrometer
    • Unconsolidated Undrained Triaxial Test (Upto 3000 kPa)
  • Triaxial Tests
    • Unconsolidated Undrained
    • Consolidated Undrained
    • Consolidated Drained
  • CU and CD Triaxial Test with Pore Pressure and Volume Change measurement
    • Isotropic and Anisotropic test
  • Direct Shear Test
  • One Dimensional Consolidation Test ( up to 6.4MPa Pressure)
  • Permeability Test (Constant Head and Falling Head)
  • Compaction Characteristics
    • Light energy compaction
    • Heavy energy compaction
  • CBR Tests

Advanced Tests

A. State of Art Cyclic Triaxial Test System (meeting the requirement of ASTM 5311/3999)

Tests on Rock Samples

A. Classification Tests

  • Water Absorption
  • Density and Porosity
  • Specific Gravity
  • Slake Durability
  • Rock Specimen Preparation (Cutting, Polishing and Grinding)

B. Engineering Property Tests

  • Point Load Index
  • Unconfined Compression Test (UCS)
  • Unconfined Compression with Modulus
  • P and S Wave Velocity
  • Tensile Strength (Brazilian Test)
  • Poisson's ratio
  • High Pressure Triaxial Test for Rocks

Tests on Geosynthetic Materials

  • Tensile Strength
  • Grab Test
  • Trapezoidal Tearing Tensile Test
  • Puncture Resistance
  • CBR Puncture Resistance
  • Impact Resistance