Validation of the preliminary assessment regarding the operational restrictions of ships ice-strengthened in accordance with the Finnish-Swedish Ice Classes when sailing in ice conditions in polar waters

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Kõrgesaar, Mihkel
dc.contributor.author Kujala, Pentti
dc.date.accessioned 2017-08-08T09:02:46Z
dc.date.available 2017-08-08T09:02:46Z
dc.date.issued 2017
dc.identifier.isbn 978-952-60-7482-5 (electronic)
dc.identifier.issn 1799-490X (electronic)
dc.identifier.issn 1799-4896 (ISSN-L)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/27482
dc.description.abstract IMO has adopted the International Code for Ships Operating in Polar Waters (Polar Code) and related amendments to make it mandatory under both the International Convention for the Safety of Life at Sea (SOLAS) and the International Convention for the Prevention of Pollution from Ships (MARPOL). The Polar Code entered into force on 1 January 2017. To analyse the application of the Polar Code for the Finnish-Swedish Ice Classes, the following work was done by Aalto University: (i) The main objective of the study is to assess the validity of the preliminary assessment of the operational restrictions for ships ice-strengthened in accordance with different Finnish-Swedish Ice Classes. The assessment shall be done separately for independent operation in ice and operation with icebreaker assistance. A preliminary assessment can be found in section 8, 'Safe operational ice conditions for ships ice-strengthened in accordance with FSICR', of Appendix 3 of the document MSC 94/INF.13 (2014) 'Description of the Finnish-Swedish Ice Class Rules and their operational limitations'. This section is given also in Appendix A. (ii) The other objective is to assess and analyse the accidental limit state of ship hull structures designed in accordance with the Finnish-Swedish Ice Class Rules (2010), particularly of that of frames and plating. The aim is to determine the strength levels of ice-strengthened framing and plating, which are subject to local loads imposed by ice. In addition to simplified analytical equations used in class rules, state of the art design tools, such as finite element method, would be used to assess the accidental limit state. The investigation will show the safety margin with respect to accidental limit state as defined in the present rules. The report is divided to three parts. First part is the main project report. Second and third part are the conference papers that were published as part of this project. Please note, that the Second and third part are not included in the PDF file of the report for copyright reasons. en
dc.format.extent 43 + app. 15
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Aalto University en
dc.publisher Aalto-yliopisto fi
dc.relation.ispartofseries Aalto University publication series SCIENCE + TECHNOLOGY en
dc.relation.ispartofseries 6/2017
dc.relation.haspart [Publication 1]: M. Kõrgesaar, P. Kujala, M. Suominen, G.S. Dastydar, J. Romanoff, H. Remes, J. Kämäräinen. 2017. Effect of pressure distribution on the capacity of ship structure frames. In Progress in the Analysis and Design of Marine Structures: Proceedings of the 6th International Conference on Marine Structures (MARSTRUCT 2017), May 8-10, 2017, Lisbon, Portugal. CRC Press. Taylor and Francis. 952 p., PP. 149-154. ISBN 978-1-138-06907-7. DOI: 10.1201/9781315157368-19
dc.relation.haspart [Publication 2]: Pentti Kujala, Mihkel Kõrgesaar, Jorma Kämäräinen. 2017. Evaluation of the limit ice thickness for the hull of various Finnish-Swedish ice class vessels navigating in the Russian Arctic. In Proceedings of the 24th International Conference on Port and Ocean Engineering under Arctic Conditions June 11-16, 2017, Busan, Korea. ISSN 0376-6756 (printed), ISSN 2077-7841 (electronic). 13 pages. http://www.poac.com/PapersOnline.html.
dc.subject.other Marine engineering en
dc.subject.other Mechanical engineering en
dc.title Validation of the preliminary assessment regarding the operational restrictions of ships ice-strengthened in accordance with the Finnish-Swedish Ice Classes when sailing in ice conditions in polar waters en
dc.type D4 Julkaistu kehittämis- tai tutkimusraportti tai -selvitys fi
dc.contributor.school Insinööritieteiden korkeakoulu fi
dc.contributor.school School of Engineering en
dc.contributor.department Konetekniikan laitos fi
dc.contributor.department Department of Mechanical Engineering en
dc.subject.keyword ice class rules en
dc.subject.keyword polar water en
dc.subject.keyword ice strengthening en
dc.identifier.urn URN:ISBN:978-952-60-7482-5
dc.type.dcmitype text en


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