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SUMMARY:Origin and application of the pressure-area relationship in ice lo
 ads on ships - Kaj Riska (Aalto University School of Science and Technolog
 y  (TKK))
DTSTART:20220926T090000Z
DTEND:20220926T094500Z
UID:TALK178355@talks.cam.ac.uk
DESCRIPTION:Ice action on offshore structures and ships is described commo
 nly by the so-called pressure-area relationship. This describes the averag
 e ice contact pressure on a prescribed area\, pressure that is assumed to 
 be uniform. Several reasons for this empirical observation have been propo
 sed\; non-simultaneous failure of ice\, size effect in strength (Weibull e
 ffect) and a specific pressure distribution. These are described and revie
 wed in the presentation. Further the pressure-area relationship has been u
 sed both in describing the design i.e. maximum forces and also in describi
 ng the forces during ice indentation in a contact situation. Is the same r
 elationship applicable in both cases? Finally there is not a clear agreeme
 nt on how to use the relationship in design. Some suggestions for this are
  given.
LOCATION:Seminar Room 1\, Newton Institute
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