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Foundation Engineering for Offshore Gravity Structures

Authors: K. Schjetne; K. H. Andersen; R. Lauritzsen; O. E. Hansteen; JOURNAL ARTICLE-UNIDENTIFIED SOURCE
Abstract:
This is the third in a series of three state-of-the-art papers concerning the geotechnical engineering aspects of the installation of gravity platforms in the North Sea. In this paper, the foundation engineering for gravity structures installed in the North Sea is reviewed including recommended analyses of permanent and cyclic foundation deformations, dynamic behavior, foundation stability, skirt penetration resistance and base contact stresses, potential piping and erosion problems, and stresses in oil wells and risers. Field performance observations are reported, and it is concluded that gravity structures may safely be installed in offshore areas with less favorable platform foundation conditions than so far encountered in the North Sea. (AA)

Pages: 53
Report Date: 1979
Report Number: E826206

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Keywords relating to this report:
Deep foundations
EROSIONZ
ErosionZOffshore structures
Foundation investigations
Foundation performance
Foundation stability analysis
Marine structures
OFFSHORE STRUCTURES
OIL WELLS
Underwater foundations
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