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Auger Cast Pile Design

Auger Cast Pile Design

Auger Cast Pile Design

(OP)
Does anyone know the basic design methodology for auger cast piles?  Is it strictly an end bearing calculation, skin friction, or a combination of the two?  To determine end bearing capacity, would you use the Neely formula of ultimate unit end bearing capacity = 1.9 N where N is SPT value of the bearing strata?  Also, to determine pile capacity, would the formula be .25Fc x Area of Pile?  Thanks for the help!

RE: Auger Cast Pile Design

Please see the other post in this section from Nov 25.

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