Sensitivity Study of the Cyclic Axial Capacity of a Single Pile

by Farrokh Nadim, Norwegian Geotechnical Inst, Norway,
Mohammed Gabr, Norwegian Geotechnical Inst, Norway,
Birger Hansen, Norwegian Geotechnical Inst, Norway,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


Evaluation of the axial capacity of an offshore pile subjected to a severe North Sea storm is presented. Effects of using different degradation criteria, upper and lower bound interaction diagrams defining cyclic failure, different permanent static loads, and a reduced reference static soil strength, on the cyclic axial capacity of the pile are studied. The analyses indicated that variations in most of these parameters, needed to evaluate the cyclic pile behavior,have a rather limited influence upon the pile cyclic capacity.

Subject Headings: Load bearing capacity | Sensitivity analysis | Axial loads | Offshore structures | Cyclic loads | Pile foundations | Piles | North Sea

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