Driven to refusal

This is an engineering term for describing how far to drive piles.[1] It is also used in surveying when driving metal posts and monuments that usually mark the corners of properties.

A rod or pile has been "driven to refusal" when five more blows of an adequate hammer will not budge the rod or pile.

References

  1. ↑ "Pile Installation" (PDF). www.globalsecurity.org. 8 April 1985.


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