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[2004] Ultimate shear strength of plate elements with pit corrosion wa…

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Author Admin 작성일04-11-04 10:26 Hit63,921 Count Comments0 Count

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Thin-Walled Structures
Vol.42, Issue 8, pp.1161-1176, August 2004


Ultimate shear strength of plate elements with pit corrosion wastage

Jeom Kee Paik , Jae Myung Lee and Man Ju Ko




Abstract:
The aim of the present paper is to investigate the ultimate strength characteristics of steel plate elements with corrosion wastage and under in-plane shear loads. A series of the ANSYS nonlinear finite element analysed for plate elements under in-plane shear loads are carried out, varying the degree of pit corrosion intensity and the plate geometric properties. Closed-form design formulae for ultimate strength of pitted plates under edge shear, which are essentially needed for the ultimate limit state based risk  or reliability assessment of corroded structures, are derived by the regression analysis of the computed results. The  insights developed from the present study will be very useful for damage tolerant design of plated structures with pit corrosion wastage.

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