Novel stiffeners exploiting internal pressurisation to enhance buckling behaviour under bending loads
Polenta, Valerio and Garvey, Seamus D. and Chronopoulos, Dimitrios and Long, Andy C. and Morvan, Herve P. (2016) Novel stiffeners exploiting internal pressurisation to enhance buckling behaviour under bending loads. Thin-Walled Structures, 105 . pp. 81-89. ISSN 0263-8231
Official URL: http://dx.doi.org/10.1016/j.tws.2016.04.002
The paper proposes a novel type of stiffener designed to bear bending loads by exploiting internal pressure effects. The stiffener is made of two adjacent thin-walled pipes (r/t≥50) jointed with a connecting strip. Such a structure is shown to have higher performance against buckling failure compared to a single pipe and its geometry allows for good exploitation of internal pressurisation.
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