Example North Abutment, 30 ft · H-pile
Example North Abutment, 30 ft of Federal Highway Administration (2016) solved in Rischio and compared with the source's answers.
SourceManual
Hannigan, Rausche, Likins, Robinson & Becker (2016). Design and Construction of Driven Pile Foundations: Comprehensive Design Example (FHWA-NHI-16-064). Federal Highway Administration. Example North Abutment, 30 ft, p. 28.
ID fhwa-nhi-16-064-north-abutment-30ft
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Source vs Rischio
| Source | Rischio | Difference | |
|---|---|---|---|
| Shaft resistance, Rs | 471.1 kN | 476.9 kN | +1.2 % |
| Toe resistance, Rp | 609.0 kN | 599.2 kN | −1.6 % |
| Nominal resistance, Rn | 1 079.6 kN | 1 076.2 kN | −0.3 % |
The manual's values come from the DrivenPiles program. Rischio reads Nordlund's coefficients off AASHTO's charts, so its shaft and toe resistances can differ from them by up to 2 %.