ISO/IEC 17025 : 2005 NABL ACCREDITED LABORATORY

Soil & RocK

Building Materials Testing Lab in Chennai

Testing soils and rocks is vital in the civil industry to ensure safe and stable infrastructure development. It provides critical data on the strength, load-bearing capacity, and stability of the ground, which is essential for designing foundations, retaining walls, and other structures. By assessing properties like permeability, density, and porosity, it helps predict drainage behavior and prevents settlement or waterlogging issues. Rock testing ensures the material's suitability for construction and its ability to withstand environmental and mechanical stresses. These tests also help identify potential hazards, such as landslides or soil liquefaction, minimizing risks during construction. Overall, soil and rock testing ensures durable, cost-effective, and safe engineering designs, meeting both regulatory and environmental standards.

Soil and Rock Testing

Soil Tests - Physical Parameters

  • Hydrometer Analysis
  • Differential Free Swell (DFS)
  • Soaked CBR (California Bearing Ratio)
  • Direct Shear Test
  • Standard/Modified Compaction
  • Liquid & Plastic Limit (Atterberg Limits)
  • Moisture Content
  • Shrinkage Limit
  • Sieve Analysis.
  • Permeability
  • Specific Gravity
  • Swelling Pressure
  • Triaxial Tests
  • Field Density (Core Cutter/Sand Replacement):

Consolidation and Compressibility

☢ Consolidation

☢ Swelling Pressure

Testing of Rocks

Parameters:

  • Density
  • Specific Gravity
  • Water Absorption
  • Porosity
  • Hardness
  • Point Load Index
  • Modulus of Elasticity
  • Unconfined Compressive Strength (UCS)
Soil and Rock Test
Materials Tested Parameter Test Method

Bentonite 

Fineness by Wet Sieve Method IS 6186: 1986
Fineness by Dry Sieve Method IS 6186: 1986
Moisture Content IS 6186: 1986
Swelling power IS 6186: 1986
Sand content IS 6186: 1986
Gel Formation Index IS 6186: 1986
Viscosity IS 6186: 1986
Filtration Loss IS 6186: 1986
Materials Tested Parameter Test Method

Soil

California Bearing Ratio IS 2720 (Part 16): 1987
Coefficient of Consolidation (CV) IS 2720 (Part 15): 1965
Compression Index (CC) IS 2720 (Part 15): 1965
Field Dry Density by Core Cutter Method IS 2720 (Part 29): 1975
Field Dry Density by Sand Replacement Method IS 2720 (Part 28): 1974
Free Swell Index IS 2720 (Part 40): 1977
Grain Size Analysis IS 2720 (Part 4): 1974
Heavy Compaction - Maximum Dry Density IS 2720 (Part 8): 1983
Heavy Compaction - Optimum Moisture Content IS 2720 (Part 8): 1983
Light Compaction - Maximum Dry Density IS 2720 (Part 7): 1980
Light Compaction - Optimum Moisture Content IS 2720 (Part 7): 1980
Liquid Limit IS 2720 (Part 5): 1985
Water Content IS 2720 (Part 2): 1973
Plastic Limit IS 2720 (Part 5): 1985
Specific Gravity IS 2720 (Part 3/Sec1): 1980
Direct Shear Test IS 2720 (Part 13): 1986
Hydrometer analysis of Soil IS 2720 (Part 4): 1985
Shrinkage limit IS 2720 (Part 6): 1972
Materials Tested Parameter Test Method

Rock & Stone 

Density IS 13030: 1991
Point Load Index IS 8764: 1998
Porosity IS 13030: 2019
Specific Gravity IS 13030: 2019
Unconfined Compressive Strength (UCS) IS 9143: 1979
Water Absorption IS 1124: 1974
Water Content IS 13030: 2019
Materials Tested Parameter Test Method

Natural Stone

Compressive Strength IS 13030: 2019
Apparent Specific Gravity IS 1124: 1974
Hardness by Moh's Scale IS 13630 (Part 13): 2019
Porosity IS 1124: 1974
True Specific Gravity IS 1122: 2023
Water Absorption IS 1124: 1974