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Design of anchoring systems through proability analysis

Wendel Kaj (Institutionen för vattenbyggnad) ; Lars Bergdahl (Institutionen för vattenbyggnad)
Offshore Göteborg '85, SSPA (1985)
[Konferensbidrag, övrigt]

Until today, the capacity of a mooring system has been based on a traditional analysis with safety factors. A more prper way of determining the the mooring performance would be to calculate the probability of failure in the mooring system as a whole. The present paper gives a minute description of traditional versus probabilistic design methods, and as calculation examples the probability for cable collapse at loads lower than the catalogued strength is calculated for a chain and a wire cable. The presented ideas are a first steps of a project where the aim is to create practical damage functions from which a captain can decide when to change anchoring cables.



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Denna post skapades 2015-06-10. Senast ändrad 2017-03-21.
CPL Pubid: 218202

 

Institutioner (Chalmers)

Institutionen för vattenbyggnad (1946-2000)

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Materialvetenskap
Materialteknik

Chalmers infrastruktur