Publications

Xu, M.C. and Guedes Soares, C. (2021), “Experimental evaluation on the ultimate strength of stiffened panels under longitudinal compression”, Ocean Engineering, Vol. 220, 108496 (14 pages)

Seven stiffened panels subjected to in-plane longitudinal compression are tested to investigate the load carrying capacity of the specimens, which are considered as part of the hull girder of ship structures. The initial deflections have been measured before testing, which is used to determine the realistic levels of plate distortions. The strain gauges are set on the plate, stiffeners and frames to record the evolution of strain distribution of the stiffened panels under compressive loading. To study the influence of the unsupported lateral edges on the plates, narrow and wide panels having two and four stiffeners are adopted. The experimental results of the present study are compared with the other test results. It is found that the constraint on the end loading edges and on the lateral edges of the stiffened panels are very important. The imposed compressive load is symmetrical to reduce the influence of the boundary conditions.

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