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Publications
Liu, B., Du, XK., Gan, J., Ao, L., Wu, W.G. and Guedes Soares, C. (2022), “Experimental and numerical analysis of ultimate compressive strength of double-deck structures with a large opening”, Ships & Offshore Structures, Vol. 17(12), pp. 2788-2801.
The paper presents experimental and finite element analyses of the ultimate compressive strength of two double-deck structures with a large opening on the upper deck. This investigation aims to estimate the effect of the large opening and its reinforcement on the ultimate compressive strength of deck structures in large passenger ships. Buckling collapse behaviours of the upper and lower decks are investigated during the progressive collapse of double-deck structures. Comparison of the experimental results shows that the structural reinforcement for deck opening increases about 29% ultimate compressive strength and changes the overall buckling and collapse behaviour of the double-deck structures. The experimental results show agreement with the simulations performed by the ABAQUS finite element solver. The finite element analysis also discusses the reinforcing means of large openings to improve the structural strength of perforated structures. It puts forwards a design methodology for reinforcements based on equivalent buckling and ultimate strength concept.
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