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Publications
Saad-Eldeen, S., Garbatov, Y. and Guedes Soares, C. (2015), “Structural capacity of an aging box girder accounting for the presence of a dent”, Analysis and Design of Marine Structures, Guedes Soares, C. & Shenoi R.A. (Eds.), Taylor & Francis, London, UK, pp. 403-414
This work deals with the evaluation of the structural capacity of corroded box girders accounting for a presence of a dent and subjected to uniform vertical bending moment. A series of static nonlinear finite element analyses are conducted. The structural damage is modelled as an indentation, where several locations on deck panel are considered with different dent depths. The effect of the presence of the indentation (location and depth) as a result of a dropping object on the ultimate bending moment and flexural rigidity is investigated. The effect of the boundary conditions as free and constrained torque is explored. The collapse modes are analysed and the effect of the dent damage on changing the final collapse mode is identified. Several observations and conclusions are derived, which benefit repair and maintenance planning and may be used as an input for the global strength assessment of aging and damaged structures.
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