What is Crosshole Sonic Logging?

The Crosshole Sonic Logging (CSL) or Ultrasonic Crosshole Test is a widely used non-destructive test for assessing Pile Integrity and quality control of drilled shafts (piles). CSL test is a variation of Ultrasonic Pulse Velocity. In theory, the pulse velocity in concrete is a function of the modulus of elasticity,

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Quality Control of Concrete Caissons

Quality control of Concrete Caissons is a challenging task. Engineers, and contractors rely on experience and well-established procedures and test standards to verify the strength, and consistency of pile materials. Non-destructive testing help reveal potential defects that might have happened during pile casting (in the case of cast-in-place

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