Pile Driving Set CalculatorINPUT DEFAULT --> Cells shaded in yellow require input, cells shaded in blue are default values.

Input Required Pile Capacity As Shown On PlansPile Batter = in./12 in.

Design Bearing = tons Factor for Design Bearing = 3.5Nominal Axial Compressive Resistance = kips

Input Hammer PropertiesRam Weight = lbs. Typ. Range (3300-6600 lbs.)

Hammer Efficiency = % See Sec 702.3.1 for efficiency used.

Gates Equation

P = #VALUE! kips

P=1.75√E Log (10N )−100

Notes:- This spreadsheet will calculate the "Set" per 10 blows required for a given pile capacity according to the Dynamic Bearing Formula shown in

- Strokes used in the spreadsheet range from 3 to 14 ft. This should cover most hammer types, if not then modify the strokes value shown in the "Data" sheet.

- Enter in the following parameters to make the calculations. Enter in either "Design Bearing" or "Nominal Axial Compressive Resistance", whichever is specified on the plans.

- When finished entering data, go to sheet "Set_Chart" for a chart showing the design Set for the given Pile Capacity. A minimum pile energy is also shown on the chart. This value is calculated from a recommended practical refusal limit of 0.5 in. per 10 Blows as described in the publication "Design and Construction of Driven Pile Foundations Reference Manual - Volume II" (FHWA-NHI-05-043). Any data below this line on the chart is typically ignored, but is shown for special cases, if applicable.

Sec 702.4.10

0.00 5.00 10.00 15.00 20.00 25.003

4

5

6

7

8

9

10

11

12

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14

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1

1

Set vs. Stroke/Energy

#VALUE! Minimum Pile Energy

Set, Inches per 10 Blows

Str

oke,

ft.

Energ

y,

ft.-

lbs.

Data Table ###

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25Set N Stroke (ft.)

in./10 blows blows/in. 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 1450.0 0.2 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -10025.0 0.4 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -10010.0 1.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1005.0 2.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1003.0 3.3 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1002.75 3.6 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1002.50 4.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1002.25 4.4 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1002.00 5.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1001.75 5.7 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1001.50 6.7 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1001.25 8.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1001.000 10.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1000.875 11.4 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1000.750 13.3 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1000.625 16.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1000.500 20.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1000.375 26.7 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1000.250 40.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -1000.125 80.0 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100

Data for Given Pile Capacity and StrokeEnergy (ft.-lbs.) = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Set (in.)/10 Blows = #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE!N (blows/in.) = #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE!

Data for Minimum Hammer Energy LineMin. Energy (ft.-lbs.) = 700 700

Min. Stroke (ft.)= #DIV/0! #DIV/0!Set (in.)/10 Blows = #VALUE! #VALUE!