European Recommendations on the Stabilization of Steel ... - Xs4all
European Recommendations on the Stabilization of Steel ... - Xs4all
European Recommendations on the Stabilization of Steel ... - Xs4all
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<str<strong>on</strong>g>European</str<strong>on</strong>g> <str<strong>on</strong>g>Recommendati<strong>on</strong>s</str<strong>on</strong>g> <strong>on</strong> <strong>the</strong> Stabilizati<strong>on</strong> <strong>of</strong> <strong>Steel</strong> Structures by Sandwich PanelsAnalysis <strong>of</strong> <strong>the</strong> test results should be as followsuC,t− uC,0ϕϑ,t=(11)uC,0whereu C,0 initial compressive displacement at <strong>the</strong> edge corresp<strong>on</strong>ding to <strong>the</strong> time t = 0u C,t displacement corresp<strong>on</strong>ding to <strong>the</strong> time tExtrapolati<strong>on</strong> <strong>of</strong> test results should follow <strong>the</strong> principles <strong>of</strong> EN 14509 [24], note inchapter A.6.5.2.Fig. 2.8: Creep bending tests according to EN 14509measurement <strong>of</strong> displacement u Cpanelindentati<strong>on</strong>supportFig. 2.9: Measurement <strong>of</strong> indentati<strong>on</strong> at <strong>the</strong> support during creep bending testsIf <strong>the</strong> displacement at <strong>the</strong> edge has been measured, existing test data from creep bendingtests according to EN 14509 shall be utilized.In any case, material properties both <strong>of</strong> <strong>the</strong> core and <strong>the</strong> faces should be determinedaccording to EN 14509 to allow for <strong>the</strong> evaluati<strong>on</strong> <strong>of</strong> test results.26
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