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Publications
Vitorino, A. and Garbatov, Y. (2021), “Strength identification of ageing structures using shock pulse approach”, Developments in Maritime Technology and Engineering, Guedes Soares, C. & Santos T.A., (Eds.), Taylor and Francis, London, UK, Vol 1, pp. 507-516.
This work investigates the shock pulse approach in inspection of corroded steel plates in identifying the degree of degradation and ultimate capacity. A series of rectangular steel plates are artificially corroded using the random field approach. Employing the FEM, a shock-pulse load is subjected to the corroded plates and resulting transient structural response is analysed. Non-corroded steel plates of a wide range of thicknesses are firstly analyzed to estimate the ultimate strength and later they are subjected to a shock pulse load to identify their transient structural response. The inspection is performed by applying a shock-pulse load to the corroded plates and the resulting transient response is compared to the closest transient response of a non-corroded plate identifying the corrosion degradation level and the ultimate strength of the corroded plate. The developed approach can be used in a real conditions of inspection, presenting significant savings in both money and time.
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