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Materials Technology

Compressive Tests on Long Continuous Stiffened Panels

[+] Author and Article Information
José Manuel Gordo

 Center for Marine Technology and Engineering (CENTEC), Technical University of Lisbon, Instituto Superior Técnico, Portugal

C. Guedes Soares1

 Center for Marine Technology and Engineering (CENTEC), Technical University of Lisbon, Instituto Superior Técnico, Portugal

1

Corresponding author. email: guedess@mar.ist.utl.pt.

J. Offshore Mech. Arct. Eng 134(2), 021403 (Dec 05, 2011) (8 pages) doi:10.1115/1.4004517 History: Revised January 30, 2011; Received April 25, 2011; Published December 05, 2011; Online December 05, 2011

Results of eight tests on long stiffened panels under axial compression until collapse are presented. The specimens are three-bay panels with associated plates made of very high tensile steel S690. Four different configurations are considered for the stiffeners, which are made of mild or high tensile steel for bar stiffeners and mild steel for L and U shape stiffeners. The influence of the stiffener’s geometry on the ultimate strength of the stiffened panels under compression is analyzed. This series of experiments belongs to an extended series of tests that include short and intermediate panels, which allows analyzing the effect of space framing on the strength of stiffened panels.

Copyright © 2012 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

Geometry of stiffened panels for fully S690 steel (FS), mild steel bar stiffeners (BS), and L and U mild steel stiffeners for narrow and wide panels

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Figure 2

Material behavior of mild, S690 steel and equivalent material of hybrid BS specimens

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Figure 3

Setup of the 200 series test of stiffened plates

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Figure 4

Average stress versus average shortening curve of FS4A panel

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Figure 5

Average stress versus average shortening curve of FS4B panel

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Figure 6

FS4B at collapse

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Figure 7

Average stress versus average shortening curve of BS4A panel

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Figure 8

Average stress versus average shortening curve of BS4B panel

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Figure 9

BS series panels after collapse; detail of residual deformations on BS4B at right

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Figure 10

Average stress versus average shortening curve of LS4A panel

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Figure 11

LS4A panel after collapse

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Figure 12

Average stress versus average shortening curve of LS4B panel

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Figure 13

Average stress versus average shortening curve of US4A panel

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Figure 14

Average stress versus average shortening curve of US4B panel

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Figure 15

US4A panel after collapse

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