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Collision resistance of orthogonally stiffened shell structures
AbstractDetailed results are given of an experimental investigation into the response of stiffened cylinders to accidental lateral loading. Damage is applied using a knife edge indenter positioned at mid-span. Observations suggest a mechanism by which the light ring frames deform and membrane tension develops in the longitudinal stiffeners. The dented shells are tested under axial compression loading to determine their residual stiffness and strength. Prebuckling radial deflections are monitored and related to the final buckled modes. Although the initial imperfections are complex a very simple analysis provides good predictions of the response. The impetus for this work is the possibility of a supply vessel colliding with the leg of a semi-submersible or tension leg platform.
Collision resistance of orthogonally stiffened shell structures
AbstractDetailed results are given of an experimental investigation into the response of stiffened cylinders to accidental lateral loading. Damage is applied using a knife edge indenter positioned at mid-span. Observations suggest a mechanism by which the light ring frames deform and membrane tension develops in the longitudinal stiffeners. The dented shells are tested under axial compression loading to determine their residual stiffness and strength. Prebuckling radial deflections are monitored and related to the final buckled modes. Although the initial imperfections are complex a very simple analysis provides good predictions of the response. The impetus for this work is the possibility of a supply vessel colliding with the leg of a semi-submersible or tension leg platform.
Collision resistance of orthogonally stiffened shell structures
Ronalds, B.F. (author) / Dowling, P.J. (author)
Journal of Constructional Steel Research ; 9 ; 179-194
1988-01-01
16 pages
Article (Journal)
Electronic Resource
English
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