Bending behaviour of rigid-flexible combined inflatable membrane structures for floating bridge modules

Ye, Y ORCID: 0000-0003-2797-2304, Gan, J, Liu, H, Wu, W, Wang, L, Guo, J and Li, H ORCID: 0000-0001-6429-9097 (2025) Bending behaviour of rigid-flexible combined inflatable membrane structures for floating bridge modules. Ocean Engineering, 338. p. 122005. ISSN 0029-8018

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Abstract

This paper investigates the load-bearing characteristics of rigid-flexible combined inflatable floating bridge modules. A simplified numerical model incorporating air-membrane coupling is first developed and validated by experimental data. Accordingly, a numerical method is subsequently employed to analyse the structural behaviour of the floating bridge module, including load-deformation feature, failure modes, and the effects of key structural parameters on the structural behaviour. The results reveal an initial linear load-deformation followed by softening, leading to local buckling failures. The parametric study indicates that an increased deck plate thickness, deck height, and internal pressure effectively enhance the load-bearing capacity of the floating bridge module. An equivalent stiffness prediction model is constructed with a prediction error of 0.594 % against numerical results. Overall, this study advances the understanding of load-bearing characteristics for inflated rigid-flexible combined floating bridge modules.

Item Type:	Article
Uncontrolled Keywords:	4005 Civil Engineering; 4015 Maritime Engineering; 40 Engineering; 0405 Oceanography; 0905 Civil Engineering; 0911 Maritime Engineering; Civil Engineering; 4005 Civil engineering; 4012 Fluid mechanics and thermal engineering; 4015 Maritime engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TC Hydraulic engineering. Ocean engineering
Divisions:	Engineering
Publisher:	Elsevier BV
Date of acceptance:	22 June 2025
Date of first compliant Open Access:	14 October 2025
Date Deposited:	14 Oct 2025 13:54
Last Modified:	14 Oct 2025 14:15
DOI or ID number:	10.1016/j.oceaneng.2025.122005
URI:	https://researchonline.ljmu.ac.uk/id/eprint/27333

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