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|Title:||Unzipping analysis of a full-scale offshore structure connection|
|Authors:||Qian, X. |
|Source:||Qian, X.,Marshall, P. (2007). Unzipping analysis of a full-scale offshore structure connection. 5th International Conference on Advances in Steel Structures, ICASS 2007 2 : 195-206. ScholarBank@NUS Repository.|
|Abstract:||This paper describes the ultimate strength analysis of an offshore tubular joint whose partial failure in Hurricane Katrina was investigated to provide an order-of-magnitude calibration for full-scale wave-in-deck loads. Methods of connection analysis included a rigid-plastic limit analysis and three levels of nonlinear finite element analysis. Progressive tearing of a minimum fillet weld at the faying surface significantly reduced the ultimate strength. A simple T×T mid-plane finite element model, with special phenomenological elements describing the weld behavior, showed a promising combination of accuracy and efficiency.|
|Source Title:||5th International Conference on Advances in Steel Structures, ICASS 2007|
|Appears in Collections:||Staff Publications|
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