Aggregates & Stone

  • Physical Properties – Grain Size Distribution, Density, Specific Gravity & Water Absorption
  • Shape – Flakiness and Elongation Tests, Partially Crushed FGPL
  • Sand Equivalent Value
  • Mechanical Properties – Aggregate Impact Value, Aggregate Crushing Value, Ten Percent Fines Value, Los Angeles Abrasion Value
  • Chemical Tests – Sulphate, Chloride, Organic Impurities, Potential Silica Alkali Reactivity

    Soil

    • Classification Tests – Grain Size Distribution including Hydrometer, Plasticity Characteristics, Particle Density & Specific Gravity, Linear Shrinkage
    • Compaction Related Tests – Proctor, C.B.R, Maximum & Minimum Dry Density
    • Shear Strength – Direct Shear Test, Triaxial Test (CU & UU), Unconfined Compression Tests
    • Permeability – Falling and Constant Head Permeability Tests
    • Compressibility – One Dimensional Consolidation Test
    • Chemical Tests – Sulphate, Chloride, Carbonate Content, Organic Matter Content
    • Thermal Resistivity Electrical Resistivity

Rock

  • Uniaxial Compression Test
  • Modulus of Elasticity & Poisson’s Ratio
  • Point Load Test
  • Cerchar Abrasion Test
  • Petrographic Study
  • Brazilian Test (Indirect Tensile)
  • Thermal Resistivity
  • Drop test Breaking Index, Length to thickness Ratio for Stone
  • Rock Grading
  • Till test of as built – Rock fill

Concrete

  • Tests on Fresh Concrete Workability, Compaction Fraction, Bleeding, Drying Shrinkage and Air Content & etc.
  • Self-Compact Concrete test—L Box, V Funnel, Slump-Flow, T 500, Sieve Segregation& etc.
  • Test for Grout Materials – Trial Mix, Shrinkage, Volume change, Fluidity, Bleeding, Compressive and Setting Time.
  • Tests on Hardened Concrete – Compressive Strength, Flexural & Transverse Strength Tests, Density, Modulus of Elasticity, Poisons Ratio & etc
  • Durability Tests RCP, ISAT, chloride migration coefficient, Water Absorption, Water Permeability & Capillary Index
  • Non-Destructive Testing – Rebound Hammer, Ultrasonic Pulse Velocity, Reinforcement Scanning and Crack Monitoring.
  • Chemical Testing, Cement Content, Sulphate Content, Chloride Content & Alkali Content
  • Concrete Maturity and Temperature by using Digital Thermocouple Wires using Manual and logger reader.
  • Concrete Mix Design

Cementitious Material (OPC, S SRC, Micro Silica, PFA, GGBS, SLAG)

  • Chemical Analysis
  • Physical Analysis
  • Heat of Hydration

Asphalt

  • Hot mix design for all types of asphalt. (Marshall & Superpave)
  • Asphalt Testing – Extraction test, Marshall Properties, GMM, Voids, Retained Stability
  • Asphalt Cores – Asphalt core obtaining, Thicknesses, Density, Degree of Compaction, Visual Examination

Emulsified Asphalt

  • Viscosity Saybolt Furol @ 25oC & 50oC
  • Storage Stability Test
  • Particle Charge Test
  • Sieve Test
  • Cement Mixing Test
  • Distillation by Volume to Residue
  • Coating Dry Aggregate
  • Test on Residue
  • Penetration @ 25oC
  • Ductility @ 25oC
  • Solubility by Trichloroethylene

Cutback Asphalt

  • Kinematic Viscosity @ Various Temp.
  • Flash Point
  • Water Content
  • Distillation by Percent Volume
  • Saybolt Furol @ 50oC
  • Test on Residue
  • Ductility 5cm/Min
  • Solubility

Performance Graded (PG) Testing

  • Standard Test Method for Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational Viscometer (RV)
  • Test Method for Determining the Flexural Creep Stiffness of Asphalt Binder Using the Bending Beam Rheometer (BBR)
  • Test Method for Determining the Rheological Properties of Asphalt Binder Using a Dynamic Shear Rheometer (DSR)
  • Standard Practice for Accelerated Aging of Asphalt Binder Using a Pressurized Aging Vessel (PAV)
  • Test Method for Effect of Heat and Air on a Moving Film of Asphalt (Rolling Thin-Film Oven Test) RTFOT
  • Multiple Stress Creep Recovery (MSCR) Test of Asphalt Binder Using a Dynamic Shear Rheometer (DSR)
  • Performance-Graded Asphalt Binder Multiple Stress Creep Recovery (MSCR) Test
  • Penetration of Bituminous Materials
  • Determination of Needle Penetration
  • Determination of Softening Point (Ring & Ball Method)
  • Density of Semi-Solid Bituminous Material (Pycnometer Method)
  • Separation tendency of polymer
  • Sieve test on polymer
  • Solubility in toluene by centrifuge
  • Mixing & Blending of Raw Polymer & Pellets Using High Shear Mixer
  • Laboratory Determination of Mixing & Compaction of Asphalt Binder @ Elevated Temp.