- Title
- Failure Prediction of Mild-Steel Welds due to Climate Change Influenced Marine Corrosion
- Creator
- Chaves, Igor A.; Melchers, Robert E.
- Relation
- 28th International Ocean and Polar Engineering Conference. Proceedings of 28th International Ocean and Polar Engineering Conference (Sapporo, Japan 10-15 June, 2018) p. 283-288
- Relation
- https://onepetro.org/ISOPEIOPEC/proceedings-abstract/ISOPE18/All-ISOPE18/ISOPE-I-18-113/20136
- Publisher
- International Society of Offshore and Polar Engineers
- Resource Type
- conference paper
- Date
- 2018
- Description
- Maritime infrastructure usually is designed for decades however the long-term structural integrity (serviceability and safety) may be compromised by increased rates of aggressive marine corrosive environments when available mitigation techniques either fail or cease effectiveness. This is of particular concern for weld heat affected zones as they are known for their higher rate of localized corrosion. Moreover, increasingly environmental changes such as possible rise of seawater surface temperatures and increased seawater nutrient pollution is causing some concern regarding the integrity of commercial and industrial structures in marine exposed environment. These may affect abiotic and biotic (microbial) corrosion. In this paper structural reliability theory is used to model the long-term structural capacity loss of mild-steel welds based on data obtained from mild-steel piling exposed for 33 years in seawater harbor and relevant empirical climate change reports. The results show that structural reliability is more sensitive to likely nutrient pollution than to predicted increases in surface seawater temperature, noting that increased seawater temperatures could also increase nutrient pollution from anthropological sources.
- Subject
- structural steel; corrosion; climate change; ALWC; reliability; modelling; SDG 13; SDG 14; Sustainable Development Goals
- Identifier
- http://hdl.handle.net/1959.13/1465019
- Identifier
- uon:47178
- Identifier
- ISBN:9781880653876
- Identifier
- ISSN:10986189
- Language
- eng
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