+94 11 2233842 nerdcentre@nerdc.lk
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Civil Engineering SLS / BS / ASTM

Civil Engineering Materials Testing Laboratory

Construction Materials, Field & Research Testing

Civil Engineering

Civil Engineering Materials Testing Laboratory

The Laboratory provides reliable and professional testing services for construction materials used in civil engineering projects throughout Sri Lanka. With decades of experience in supporting the construction industry, our laboratory plays a vital role in quality assurance, material certification, engineering investigations, research, and regulatory compliance by delivering accurate and dependable test results.

Every test is conducted by experienced engineers and qualified technical personnel using calibrated equipment and standardized procedures to ensure the accuracy, repeatability, and reliability of results. Testing is performed in accordance with applicable Sri Lankan Standards (SLS), British Standards (BS), ASTM Standards, and other internationally recognized specifications, enabling our clients to make engineering decisions with confidence.

Our Services

1. Material Testing Services

1.1. Concrete Testing Services

Evaluate the quality and performance of fresh and hardened concrete through standardized laboratory testing.

  • Slump Test
  • Compaction Factor Test
  • Setting Time
  • Compressive Strength Test
  • Flexural Strength Test

1.2. Aggregate Testing Services

Assess aggregates used in concrete, asphalt, and road construction for grading, strength, durability, and physical characteristics.

  • Sieve Analysis
  • Aggregate Impact Value Test
  • Aggregate Crushing Value Test
  • Elongation Index Test
  • Flakiness Index Test
  • Water Absorption Test
  • Bulk Density
  • Specific Gravity

1.3. Masonry Units Testing Services

Check the compliance of cement blocks, bricks, paving blocks, compressed stabilises earth blocks (CSEB) and other masonry units to the industry standards.

  • Compressive Strength Test
  • Water Absorption Test
  • Dimension check
  • Density Test
  • Splitting Tensile Test

1.4. Soil Testing Services

Determine the engineering properties of soils for foundations, embankments, pavements, retaining structures, and earthworks.

  • Particle Size Distribution (Sieve Analysis)
  • Atterberg Limits
  • Standard Proctor Compaction Test
  • California Bearing Ratio (CBR) Test
  • Direct Shear Test
  • Tri-axial Shear Test
  • Oedometer (Consolidation) Test

2. Field Testing and Site Investigation Services

Provide on-site testing and investigations to support construction quality control, structural assessment, and geotechnical investigations.

  • Sand Cone Density Test
  • Mackintosh Probe Test
  • Rebound Hammer Test (Non-Destructive Testing)
  • Concrete Core Cutting
  • Asphalt Core Cutting
  • Concrete and Asphalt Core Thickness Measurement

3. Research and Innovation Support

Beyond above tastings, the laboratory offers facilities and technical guidance for:

  • Sample preparation and casting
  • Laboratory testing of experimental materials and prototypes
  • Mechanical and physical property evaluation
  • Research-based material characterization
  • Technical consultation on testing methodologies and applicable standards