Abstract
The paper describes parts of the outcome of a large Danish research project on Large Scale Aluminum Connections. The topic addressed is calculation of fatigue failure in complicated welded aluminum connections. The calculation procedure is based on a S-N curve for the hot-spot stresses at the weld toe, a finite element calculation of the hot-spot stresses and, a stress concentration factor to account for the weld geometry. A template for the finite element calculations has been developed for automatic extrapolation of the hot-spot stresses to the weld toe. The fatigue failure predictions obtained are compared with large-scale experiments for a typical connection between a longitudinal girder and a transverse web frame in a ship. The effect of repair work is investigated considering both repair after failure or before the load is applied. Finally, comparison between measured and predicted crack growth in plane connections with a edge crack is performed.
Original language | English |
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Title of host publication | Proceedings of the 8th International Fatigue Congress |
Place of Publication | U.K. |
Publisher | EMAS Publishing |
Publication date | 2002 |
Publication status | Published - 2002 |
Event | 8th International Fatigue Congress : Design and Analysis of Welded High Strength Steel Structures - Stockholm, Sweden Duration: 2 Jun 2002 → 7 Jun 2002 Conference number: 8 |
Conference
Conference | 8th International Fatigue Congress |
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Number | 8 |
Country/Territory | Sweden |
City | Stockholm |
Period | 02/06/2002 → 07/06/2002 |