Research & Development

  • CDC supports its unique capabilities in Assessment and Rehabilitation through a strong commitment to Research and Development.
  • We have guided various projects at graduate and post-graduate level in the field of NDT, Concrete Technology, Repair & Rehabilitation as well as Structural Engineering.
  • In addition, CDC conducts experimental feasibility studies for clients with immediate needs for innovative techniques and novel structural solutions.
  • Carried out extensive R & D in NDT, Concrete Technology & Testing. Developed / established number of correction / co-relation factors, equations etc.
    such as -
    • Correlation between UPV and compressive strength of concrete on more than 75,000 cube and core samples
    • Correlation between Rebound hammer and strength of concrete on more than 75,000 cube and core samples
    • Moisture correction factor for UPV for concrete on more than 5,000 cube and core samples
    • Moisture correction factor for Rebound hammer for concrete
    • Age factor for UPV for concrete
    • Age factor for Rebound hammer for concrete
    • Correction factor for shuttering material for Rebound Hammer test
    • Co-relation between Direct, Semi-Direct and in-direct UPV method on more than 2000 cube, beam and site members samples.
    • Co-relation of pulse velocity of 825 cube samples of various grades and % crushing load (Stress factor)
    • Co-relation of pulse velocity of 5000 core samples and site members (Site Stress factor)
    • Effects of capping material on core strength
    • Correction factors for h/d ratio for various grades of concrete for core strength
    • Correction factors for diameters for core strength
    • Correlation between timber UPV and compressive strength, modulus of rupture of timber across parallel and perpendicular directions
    • Correlation between UPV, Rebound hammer and quality of various species of timber
    • Correlation between Rebound hammer and strength of bricks
    • Correlation between Rebound hammer and strength of mortars
    • Strength gain factors for OPC and various blended cements
    • Effect of rate of loading on strength of concrete cubes
    • Correlation of accelerated curing and standard curing of concrete for various types of cements
    • Effectiveness of migrating corrosion inhibitors
    • Casted various reference test blocks for calibration and measurements for various tests like Rebar locator, Half-cell potential tests, GPR, Pile integrity test etc.

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