FOUNDATION ANALYSIS OF MARINE GRAVITY STRUCTURES SUBMITTED TO CYCLIC LOADING

The paper presents an original method of soil analysis using elasto plastic finite elements. The method is a deterministic approach of the fatigue problems which consist in correlating cyclic laboratory test results with magnitude and duration of wave loadings. The loadings used for the soil analysis are determined by a separate statistical study. The analysis presented aims at a sound evaluation of the safety criteria of gravity platform foundations taking into account the fatigue effects.