A.M. Kaynia - Norwegian Geotechnical Institute (NGI), Oslo, Norway

This paper presents some of the geotechnical issues encountered in earthquake design of offshore structures and subsea facilities. Parallel with the construction of traditional structures such as jackets and gravity-based structures a considerable effort has recently been put to field developments in deep water. This has brought about other challenges which, to a great extent than shallow-water construction, are dependent on geotechnical knowledge. This paper addresses some of the more recent approaches and solutions in geotechnical earthquake design of both shallow water and deep water structures such as platforms with large footprints, anchor piles and pipelines crossing slopes.

Earthquake, offshore, deep water, slope stability, soil structure interaction