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Equations Needed in Pile Driving

Comprehensive Conversion

Equation for Calcuating the Weight of a Pipe Pile per Foot:

Non-Metric: (OD - wall thickness) x (wall thickness) x 10.69 = lbs per foot

Example for 30 inch pipe piles with a 1/2 wall thickness:

30 - .5 = 29.5 X .5 = 14.75 X 10.69 = 157.677 lbs per foot

Metric: OD(Outside diameter) in m x 3.14 x wall thickness in m x casing length in m x density 7.8

Equation for converting Foot-Pounds to Joules:

Multiply the foot-pounds by 1.356

And the reverse - Joules to Foot-Pounds:

Multiply the joules by 0.7376

Amplitude Equations for Vibros

APE Partners GSA SmartPay Deef Foundations Institute Pile Driving Contractors Association IMECO Collins Company Internation Association of Foundation Drilling Terresolve Foundation Associates SEMW