Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect
This paper presents a semi-probabilistic approach to assess the time-varying ultimate strength of aging tanker's deck plate considering corrosion wastage. The procedure includes (1) defining the limit state function of deck plate failure, (2) determining the time-varying probability density fun...
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Online Access: | https://hdl.handle.net/2027.42/86220 https://doi.org/10.1016/j.marstruc.2008.03.002 |
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ftumdeepblue:oai:deepblue.lib.umich.edu:2027.42/86220 2023-08-20T04:05:00+02:00 Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect Guo, Jinting Wang, George Ivanov, Lyuben Perakis, Anastassios N. Naval Architecture and Marine Engineering, Department of American Bureau of Shipping, 16855 Northchase Drive, Houston, TX 77060 2008-10 application/pdf https://hdl.handle.net/2027.42/86220 https://doi.org/10.1016/j.marstruc.2008.03.002 unknown Elsevier Guo, Jinting; Wang, George; Ivanov, Lyuben; Perakis, Anastassios N.(2008). "Time-varying ultimate strength of aging tankers' deck plate considering corrosion effect". Marine Structures 21(4):402-419. <http://hdl.handle.net/2027.42/86220> 0951-8339 https://hdl.handle.net/2027.42/86220 doi:10.1016/j.marstruc.2008.03.002 Marine Structures Naval Architecture and Marine Engineering Engineering Article 2008 ftumdeepblue https://doi.org/10.1016/j.marstruc.2008.03.002 2023-07-31T20:49:07Z This paper presents a semi-probabilistic approach to assess the time-varying ultimate strength of aging tanker's deck plate considering corrosion wastage. The procedure includes (1) defining the limit state function of deck plate failure, (2) determining the time-varying probability density function of corrosion wastage and values for selected severity levels of corrosion, (3) calculating the time-varying ultimate strength of deck plates corresponding to the selected levels of corrosion wastage, (4) determining the time-varying maximum nominal stress, (5) calculating when the deck plate reaches the ultimate strength limit state, and (6) determining the inspection intervals based on the risk of ultimate strength failure. A nonlinear corrosion model was proposed for deriving the time-varying probability density function of deck plates' corrosion wastage. The probability density function was determined based on a statistical analysis of the American Bureau of Shipping (ABS) corrosion wastage database [Wang G, Spencer J, Sun HH. Assessment of Corrosion Risks to Aging Oil Tankers In: 22nd International Conference on Offshore Mechanics and Arctic Engineering, Cancun, Mexico, 8–13 June 2002]. To simplify the calculations of ultimate strength, a semi-probabilistic model was adopted. Three levels of corrosion severity were considered, and the corresponding values of corrosion wastage were used instead of the probability density function. The increasing nominal stresses as ships age were also taken into account considering the loss of global hull girder section modulus. The loads of still-water-induced and wave-induced bending moments were treated as deterministic values. The ultimate strength calculation was based on the latest International Association of Classification Societies (IACS) – Common Structure Rule (CSR) formula [Common Structural Rules for Double Hull Oil Tankers, http://www.iacs.org.uk/; 2007]. Deck failure was defined as deck plate's ultimate strength becoming lower than the maximum nominal stress. An ... Article in Journal/Newspaper Arctic University of Michigan: Deep Blue Arctic Marine Structures 21 4 402 419 |
institution |
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University of Michigan: Deep Blue |
op_collection_id |
ftumdeepblue |
language |
unknown |
topic |
Naval Architecture and Marine Engineering Engineering |
spellingShingle |
Naval Architecture and Marine Engineering Engineering Guo, Jinting Wang, George Ivanov, Lyuben Perakis, Anastassios N. Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect |
topic_facet |
Naval Architecture and Marine Engineering Engineering |
description |
This paper presents a semi-probabilistic approach to assess the time-varying ultimate strength of aging tanker's deck plate considering corrosion wastage. The procedure includes (1) defining the limit state function of deck plate failure, (2) determining the time-varying probability density function of corrosion wastage and values for selected severity levels of corrosion, (3) calculating the time-varying ultimate strength of deck plates corresponding to the selected levels of corrosion wastage, (4) determining the time-varying maximum nominal stress, (5) calculating when the deck plate reaches the ultimate strength limit state, and (6) determining the inspection intervals based on the risk of ultimate strength failure. A nonlinear corrosion model was proposed for deriving the time-varying probability density function of deck plates' corrosion wastage. The probability density function was determined based on a statistical analysis of the American Bureau of Shipping (ABS) corrosion wastage database [Wang G, Spencer J, Sun HH. Assessment of Corrosion Risks to Aging Oil Tankers In: 22nd International Conference on Offshore Mechanics and Arctic Engineering, Cancun, Mexico, 8–13 June 2002]. To simplify the calculations of ultimate strength, a semi-probabilistic model was adopted. Three levels of corrosion severity were considered, and the corresponding values of corrosion wastage were used instead of the probability density function. The increasing nominal stresses as ships age were also taken into account considering the loss of global hull girder section modulus. The loads of still-water-induced and wave-induced bending moments were treated as deterministic values. The ultimate strength calculation was based on the latest International Association of Classification Societies (IACS) – Common Structure Rule (CSR) formula [Common Structural Rules for Double Hull Oil Tankers, http://www.iacs.org.uk/; 2007]. Deck failure was defined as deck plate's ultimate strength becoming lower than the maximum nominal stress. An ... |
author2 |
Naval Architecture and Marine Engineering, Department of American Bureau of Shipping, 16855 Northchase Drive, Houston, TX 77060 |
format |
Article in Journal/Newspaper |
author |
Guo, Jinting Wang, George Ivanov, Lyuben Perakis, Anastassios N. |
author_facet |
Guo, Jinting Wang, George Ivanov, Lyuben Perakis, Anastassios N. |
author_sort |
Guo, Jinting |
title |
Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect |
title_short |
Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect |
title_full |
Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect |
title_fullStr |
Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect |
title_full_unstemmed |
Time-varying Ultimate Strength of Aging Tanker Deck Plate Considering Corrosion Effect |
title_sort |
time-varying ultimate strength of aging tanker deck plate considering corrosion effect |
publisher |
Elsevier |
publishDate |
2008 |
url |
https://hdl.handle.net/2027.42/86220 https://doi.org/10.1016/j.marstruc.2008.03.002 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
Guo, Jinting; Wang, George; Ivanov, Lyuben; Perakis, Anastassios N.(2008). "Time-varying ultimate strength of aging tankers' deck plate considering corrosion effect". Marine Structures 21(4):402-419. <http://hdl.handle.net/2027.42/86220> 0951-8339 https://hdl.handle.net/2027.42/86220 doi:10.1016/j.marstruc.2008.03.002 Marine Structures |
op_doi |
https://doi.org/10.1016/j.marstruc.2008.03.002 |
container_title |
Marine Structures |
container_volume |
21 |
container_issue |
4 |
container_start_page |
402 |
op_container_end_page |
419 |
_version_ |
1774715421750984704 |