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Pile Integroty test (PIT)

Pile Integroty test (PIT)

Pile Integroty test (PIT)

(OP)
Hello,

I am trying to perform the pile integrity test (PIT) on several drilled shafts.

I am using the PIT equipment from GRL and software PIT-W 2003.

What I don;t understand very well is how do I compute or obtain the wave velocity on the piles along its total depth?. This is the one i need in order to compare to a standard good quality concrete pile velocity (around 4000 m/sec or 13000 ft/sec).

If anyone was any idea, please let me know.

Thanks  

RE: Pile Integroty test (PIT)

I am no expert on this but I suspect that you need to obtain the shear wave velocity of the concrete by another method to enter in to PIT-W.  You may want to state the purpose of your PIT so you can get a specific answer.  Is it to determine lenght of existing shaft or looking for necking/inclusions?

RE: Pile Integroty test (PIT)

(OP)
It gives you an estimate of the pile length.

Also it gives the pile concrete velocity, which is the one you compare with an standard good quality concrete (around 12500 ft/sec).

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