F.S. End Bearing
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Factor of safety for base resistance. |
F.S. Skin Friction
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Factor of safety for side resistance. |
Tip Resistance % for Axial Capacity
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Percentage of base resistance (end bearing) force to be considered in axial capacity. |
Skin Resistance % for Axial Capacity
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Percentage of the maximum skin friction that is being developed as a function of downward deflection of the pile, where that downward deflection has been normalized to units of pile diameters. |
Neglected Top Soil Layer for Skin Friction
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For top layer skin friction, typically first five feet are neglected. Additionally, any backfill layer should be neglected for skin friction.
Note: Neglected soil zone at top at bottom are regions excluded from skin friction calculation.
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Neglected Bottom Soil Layer for Skin Friction
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For bottom layer skin friction, in case of Straight pier profile typically soil layer equal to one pier diameter thickness is neglected and in the case of Belled pier profile, a soil layer equal to sum of bell periphery and pier diameter is neglected.
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