Arizona ROC A-7 Piers & Foundations

Practice session

Using the classic Engineering News-Record (ENR) pile formula for drop hammers [P_allow = (2 * E) / (s + 1.0)], calculate the allowable axial pile capacity in pounds for a driven timber pile driven by a 3,000 lb drop hammer falling 6 feet (E = 18,000 ft-lbs), where the final set 's' is 0.5 inches per blow.

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