SYMPOSIA PAPER Published: 01 January 1982
STP28855S

Selected Aspects of the Design of Offshore Structure for Fatigue Resistance

Source

The problem of fatigue of welded steel connections in sea water is reviewed, and it is demonstrated that this failure mode is most troublesome in deep water or rough sea locations where 107 to 108 relatively low-stress range load excursions must be anticipated during a typical design life. Mechanical, material, and environmental variables which influence this fatigue are discussed; and attention is focused upon the effects of cathodic protection, where existing data appear contradictory. The appropriateness of a design procedure which integrates S-N and (da/dN)-ΔK data is discussed, and examples of its applicability to welded specimens and connections in sea water are presented.

Author Information

Hartt, WH
Florida Atlantic University, Boca Raton, Fla.
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Details
Developed by Committee: E08
Pages: 91–109
DOI: 10.1520/STP28855S
ISBN-EB: 978-0-8031-4826-0
ISBN-13: 978-0-8031-0714-4