Materials Laboratory




Consultancy services

Appraisal of existing structures, structural health monitoring, compression/tension machine calibration, ASR assessment, semi-adiabatic calorimeter test for concrete, concrete mix design


Research

Structural retrofitting, shear modelling, structural health monitoring, ASR behaviour


Equipment/ Testing Facilities

  • Compressive strength testing ( Tubes, Cylinders )
  • Concrete setting time
  • Bleeding test16600
  • Drying shrinkage
  • Water absorption
  • Water permeability
  • Static modules dynamic modules
  • Slump/Consistence
  • Air content
  • Splitting tensile strength of cylinder concrete
  • Fresh & hardened concrete density
  • Chloride Ion Penetration - RCPT (ASTM C1202)
  • Water Permeability test for concrete (DIN 1048:Part 5)
  • Temperature Rise in Concrete
  • Core extraction and testing
  • Cement testing(Compression & setting time)
  • Fineness
  • Soundness-Autoclave
  • Soundness-Le chatelier method
  • Insoluble residue
  • Loss on ignition
  • Sulfur trioxide
  • Expansion of cement mortars exposed to Sulfate
  • Residue on 45 and 75 micron sieves
  • Chemical analysis
  • Chloride Ion content
  • Density
  • Lime Saturation Factor (LSF)
  • Grading(Coarse/fine aggregate)
  • Grading (ABC) 2530
  • Aggregate Impact Value (AIV)
  • Aggregate Crushing Value (ACV)
  • 10% Fines Value (TFV)
  • Flakiness index
  • Elongation index
  • Water absorption
  • Organic Impurities
  • Silt & Clay
  • Bulk Density
  • Relative Density
  • Water soluble Chloride content
  • Water soluble Sulphate content
  • Potential Alkali-Silica Reactivity of aggregate
  • Percentage of Light Weight Material
  • Percentage by mass of Clay lumps and Friable particles
  • Acid soluble chloride content
  • Acid soluble sulfate content
  • Sand Equivalent test
  • Fractured Face for coarse aggregate
  • Shell content of sand
  • Potential Alkali-Silica Reaction (Mortar bar method, ASTM C-1260)
  • Specific Gravity
  • Fineness (Retained on 45µm sieve)
  • Autoclave expansion
  • Strength activity index
  • Moisture content
  • Loss on ignition
  • Tensile testing-( Reinforcing bars, angle Iron, Zn/Al sheet )
  • Bend test, Re-bent test
  • Bond test
  • Physical and geometrical properties for tor steel bars (BS4449: 2005)
  • Wire winder rope
  • Tensile testing of stay assemblies
  • Breaking load of stay wire
  • Compression testing machine calibration
  • Proving Ring
  • Hammer
  • Gauged Hydraulic Jack
  • Rebound Hammer test
  • Ultrasonic pulse velocity test
  • Cover assessment
  • Compression
  • Tensile
  • Bending (static 3 point dend test)
  • Water absorption
  • Moisture content
  • Shear
  • Compression Testing
  • Water absorption
  • Efflorescence
  • Compression Testing Cement Blocks
  • Water absorption & Moisture content
  • Drying shrinkage and Wetting expansion
  • Chloride ion content
  • Sulfate ion content
  • pH Valve
  • Strength performance requirements for mixing water
  • Transverse Strength
  • Water Absorption
  • Pull out test-rock Anchor test
  • Core extraction and testing
  • Cut and pull out test
  • Testing of joint filler board
  • Testing of Heat-sealed flexible food package-per sample
  • Analysis of hardened cement-sand mortar
  • Crack width measurement
  • Paper gsm Valve
  • Thickness of Zinc/Aluminium sheets
  • Thickness of the colour cwement layer of paving bloks
  • Mechanical failing load test (Pin insulator)
  • Mechanical failing load test (Tensile-insulator )
  • Tensile testing of polypropylene wrapping strips
  • Floor tiles (Water adsorption, Homogeneous)
  • Deflection temperature of plastics under flexural load in edgewise position (ASTM D 648-07)
  • Issuing additional copy of test reports
  • Flexibility of resilient flooring materials (ASTM F137)

Inquiries

Laboratory - Mr. Y.M. Tikiribanda

+94 081 239 3540

tikiri@civil.pdn.ac.lk