Laboratory Testing

Tests on Soil

• Natural moisture content
• Mechanical analysis (sieve & hydrometer)
• Atterberg’s limits
• Shrinkage limit
• Field density / Bulk density
• Free swell index
• Swell pressure
• Direct shear test
• Triaxial shear test
• Consolidation test
• Proctor compaction
• California bearing ratio

Tests on Rock

• Deep Drilling (Vertical, Horizontal and Inclined)
• Density / Specific gravity
• Water absorption
• Unconfined compressive strength
• Point load index
• Triaxial test
• Modulus of elasticity
• Cerchar abrasivity test

Chemical Tests

Soil Chemical Tests for Construction Purpose

• pH
• Sulphates as SO₄
• Sulphates as SO₃
• Chlorides

Water Chemical Tests for Construction Purpose

• pH
• Sulphates as SO₄
• Sulphates as SO₃
• Chlorides
• Organic Content
• Total Hardness
• Alkalinity
• Acidity
• Total Suspended Solids

Water Chemical Tests for Drinking Purpose

• pH
• Electrical Conductivity
• Total Hardness
• Calcium Hardness
• Alkalinity
• Acidity
• Chloride
• Total Dissolved Solids (TDS)
• Colour
• Odour