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Settlement of Driven Piles

Settlement of Driven Piles

Settlement of Driven Piles

(OP)
I have seen engineers using 1% of pile diamater as an estimate for setllement pile when the maximum load (or capacity) is reached.  Where did this come from?  Any references?

RE: Settlement of Driven Piles

That actually could be a very small number and sounds like a value of pile shortening when fully loaded. Possibly not considering any toe movement (settlement).

RE: Settlement of Driven Piles

I haven't checked it but I suspect that this is a rule of thumb for end bearing piles of a particular type.  This would be the elastic shortening of the pile.  Please check your sources when dealing with 'rule of thumb'.  There is often a good reason but you should know how it is derived.  If you don't don't use it.

For your particular case I wouldn't even begin to quess.  If the pile was endbearing then you should look at elastic shortening of the pile.  

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