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|Title:||Comparative study on theoretical and experimental strengths of Padeyes under in-plane loads||Authors:||Choo, Y.S.
|Issue Date:||1994||Citation:||Choo, Y.S.,Choi, K.C.,Lee, K.H. (1994). Comparative study on theoretical and experimental strengths of Padeyes under in-plane loads. Proceedings of the International Offshore and Polar Engineering Conference 1 : 198-208. ScholarBank@NUS Repository.||Abstract:||Padeyes and pin-connections are commonly used as lifting components in onshore and offshore installation. Despite of their apparent geometric simplicity, the nonlinear elasto-plastic behaviour of padeyes under increasing loading is complex. Present design approaches normally limit the maximum elastic stresses calculated from simplified equations to within allowable stress limits and are very stringent on the pin-hole tolerance. This paper presents parametric results for padeyes subjected to in-plane quasi-static loads using nonlinear finite element analyses and a simple graphical plot which facilitates the evaluation of padeye strength in relation to its geometric ratios. The current results are shown to correlate closely with published experimental results and provide better correlation than some standard design equations. The effect of different padeye shapes, for the parametric range investigated, is found to have marginal influence on strength. The reduction in ultimate strength of padeyes with large pin/hole tolerance is significantly lower than predicted by elastic theory due to stress redistribution within the padeye plate.||Source Title:||Proceedings of the International Offshore and Polar Engineering Conference||URI:||http://scholarbank.nus.edu.sg/handle/10635/74967||ISBN:||1880653117|
|Appears in Collections:||Staff Publications|
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