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Full-scale collapse testing of a steel stiffened plate structure under cyclic axial-compressive loading

Paik, JK; Lee, DH; Noh, SH; Park, DK; Ringsberg, JW; (2020) Full-scale collapse testing of a steel stiffened plate structure under cyclic axial-compressive loading. Structures , 26 pp. 996-1009. 10.1016/j.istruc.2020.05.026. (In press).

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Abstract

Plate panels of ships and floating offshore structures are likely subjected to cyclic loads arising from waves at sea. Depending on sea states, e.g., whipping in harsh sea states, the maximum amplitude of the cyclic loads may reach over 70% of ultimate loads. Of concerns is how the cyclic loads will affect the ultimate strength compared to a case of monotonically increasing loads. The aim of this paper is to experimentally investigate the ultimate strength characteristics of a steel stiffened plate structure under cyclic axial-compressive loading. A full-scale collapse testing in association with bottom structures of an as-built 1,900 TEU containership was conducted. It is concluded that the effects of cyclic loading on the ultimate compressive strength of steel stiffened plate structures are small as far as fatigue damages are not suffered due to the small number of load cycles and/or local structural members do not reach the ultimate strength during cyclic axial-compressive loading. Details of the test database are documented, which will be useful to validate computational models for the ultimate strength analysis.

Type: Article
Title: Full-scale collapse testing of a steel stiffened plate structure under cyclic axial-compressive loading
DOI: 10.1016/j.istruc.2020.05.026
Publisher version: http://dx.doi.org/10.1016/j.istruc.2020.05.026
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Whipping, Steel stiffened plate structures, Full-scale collapse testing, Cyclic axial-compressive loads, Ultimate strength, Ultimate limit states
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10098945
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