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Grupo de Segurança e Logística do Transporte Marítimo > 5.2 Manutenção Estrutural Baseada na Fiabilidade > Publicações
Garbatov, Y. e Guedes Soares, C. (2004), "Influence of Steel Strength on the Fatigue Reliability of Welded Structural Components", International Journal of Fatigue, Vol. 26, pp. 753-762
A formulation is presented for the fatigue reliability assessment of imperfect structural components. The model adopts the R6 method, which combines the linear elastic fracture mechanics approach and the full plastic collapse. The utilisation of different steel grades and design solutions are studied. Reliability is predicted by a time variant formulation and the effect of maintenance is taken into account. It is shown that the savings in cost due to lither structure of higher strength steel are mitigated by the cost of more frequent inspections and eventually repairs.
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http://www.sciencedirect.com/science/article/pii/S0142112303002858
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