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Publications
Jiang, X. and Guedes Soares, C. (2010), “Ultimate capacity of mild steel plates with partial depth pits under biaxial compressive loads”, 11th International Symposium on Practical Design of Ships and Other Floating Structures, Rio de Janeiro, RJ, Brazil, pp. 1044-1052
The aim of the present paper is to investigate the effects of corrosion pits on the ultimate capacity of rectangular mild steel plates under biaxial compression. A series of non-linear FEM analysis on plates with partial depth pits are carried out, changing geometrical attributes of both pits and plates, i.e., the radius, depth and location of the pits and the slenderness of the plates. Moreover, the interaction between transverse and longitudinal axial compression is studied considering the effects of partial depth pitting corrosion. It is shown that biaxial loading ratio is a dominant factor affecting the behavior of pitted plates under biaxial compression. Biaxial loading will further degrade the ultimate capacity of the plate compared with uniaxial compression. Moreover, there is close interaction between ultimate capacity of intact plates and that of pitting damaged plates. The ultimate compressive strength of pitted plates are derived from that of intact plates, provided that rational formula is built up taking such important parameters into account as loading ratio, pit intensity, and plate slenderness.
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