2022
DOI: 10.1002/stab.202100100
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Stabilisierung von Z‐Kantprofilen unter abhebenden Lasten

Abstract: Sandwichelemente sind in der Lage, ihre Unterkonstruktion gegen Versagen infolge Stabilitätsverlusts zu stützen. Besonders für die im Metallleichtbau eingesetzten dünnwandigen Z‐Kantprofile als Dachpfette lassen sich praxisübliche Spannweiten häufig nur durch Berücksichtigung genannter Stabilisierung realisieren. Die Stabilisierung kann in der Mechanik als eine Kombination aus Schubfeld und Drehbettung beschrieben werden. Für die Lastkombination aus Eigengewicht und Windsog liegt jedoch i. d. R. das Schubfeld … Show more

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Cited by 2 publications
(9 citation statements)
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“…Tests in [4] suggest that the second effect has less influence on the torsional restraint than the gap initiation between the sandwich panel and the substructure. However, the initiation of the gap can also be accelerated by the indentation of the screw head into the core.…”
Section: Reduction Of the Connection Stiffness Under Uplifting Loadsmentioning
confidence: 99%
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“…Tests in [4] suggest that the second effect has less influence on the torsional restraint than the gap initiation between the sandwich panel and the substructure. However, the initiation of the gap can also be accelerated by the indentation of the screw head into the core.…”
Section: Reduction Of the Connection Stiffness Under Uplifting Loadsmentioning
confidence: 99%
“…The current draft standard (prEN 14509-4) for the test method of the torsional restraint of sandwich panels provides for continuous load application at the free flange of the profile. The tests carried out in [4] were based on the 2017 draft in this regard, as described earlier. In order to allow free warping at the purlin ends, the torsion at the beam ends was introduced only via the web of the profile, see also [6].…”
Section: Test Setupmentioning
confidence: 99%
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