Limit state identification for ice-strengthened hull structures using measured long-term loads

Pentti Kujala, Sören Ehlers

    Research output: Contribution to journalConference articleScientificpeer-review

    4 Citations (Scopus)

    Abstract

    Safety of ships and economic shipping in ice is becoming more and more important since the traffic in ice-covered waters increases and ice-induced damages requiring repair continue to occur. Consequently, this paper will present the influence of the design load level to the probable repair cost following long-term load. Hence, the aim is to identify optimal scantlings following the chosen design load, which minimize the lifetime costs for ship construction and operation. As a case study MS Kemira's hull structure and therewithmeasured long-term loads are used to evaluate the sensitivity of the load level with varying occurrence frequency to the production and repair cost. As a result, we will be able to identify the optimum structure by means of production and probable repair cost.

    Original languageEnglish
    JournalProceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC
    Publication statusPublished - 2013
    MoE publication typeA4 Article in a conference publication

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