Standard soil mechanics laboratory tests

• Determination of general soil properties:

  • Determination and evaluation of disturbed soil samples according to DIN EN ISO 14688-1/-2
  • Squeezing, determination and evaluation of disturbed soil samples according to DIN EN ISO 14688-1/-2
  • Determination and evaluation of drilling and tubing cores up to 1 m length according to DIN EN ISO 14688-1/-2
  • Water content according to DIN 18121
  • Plasticity properties according to DIN EN ISO 17892-12
  • Grain size distribution according to DIN EN ISO 17892-4: sieve analysis (dry sieving, wet sieving) slurry analysis and combined sieve and slurry analysis
  • Grain density according to DIN 18124 (capillary pycnometer)
  • Density of moist soil according to DIN 18 125-2
  • Loosest and densest bedding according to DIN 18 126
  • Loss on ignition according to DIN EN ISO 17685-1
  • Lime content according to DIN 18 129 (Scheibler)
  • Water absorption capacity according to DIN 18 132 (Enslin)
  • Proctor density according to DIN 18127

• Determination of compressibility:

  • Compression test at five load levels and one time setting (Oedometer)
• Determination of shear strength:
  • Cylinder compression test to determine the undrained shear strength according to DIN 18 136
  • Shear strength according to DIN 18 137: Direct shear test (frame shear test), three-axial shear test

• Further tests on request.

Expert opinion

• Assessment of historical foundations
• Numerical calculations
• Foundation damage
• excavation constructions
• hydraulic ground failure