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Archives of Civil Engineering

The Journal of Polish Academy of Sciences

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1230-2945
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Evaluation of Resistance of Corrugated Sheets under Bending by a Concentrated Loads from the Local Suspensions / Ocena Nosnosci Granicznej Blach Fałdowych Zginanych Siła Skupiona Od Lokalnych Podwieszen

A. Biegus / D. Czepizak
Published Online: 2010-12-09 | DOI: https://doi.org/10.2478/v.10169-010-0016-7

Abstract

Th This paper presents a simple method of evaluating the load resistance and stiffness of corrugated sheets locally loaded with suspended technical fixtures. As a part of this research, parametric numerical analyses of corrugated sheets of different span, and with differently located concentrated forces, were carried out. Stress distributions in the individual folds in the elastic range and in the ultimate limit state were identified. On their basis, equivalent concentrated load factors for the individual folds in the sheet were determined. The load factors enable analyses of the load resistance and stiffness of corrugated sheets loaded with concentrated forces, which can be helpful in design practice

Streszczenie

Przedmiotem pracy jest analiza nosnosci i sztywnosci blach fałdowych wytezonych obciazeniem skupionym od lokalnych podwieszen np. „instalacji”. Wykonano parametryczne badania numeryczne MES blach fałdowych o zmiennych rozpietosciach i zmiennym usytuowaniu sił skupionych na długosci i szerokosci arkusza. Przeanalizowano 24 modele blach fałdowych. Zidentyfikowano rozkłady wytezen poszczególnych fałd w fazie sprezystej i w stanie granicznym nosnosci ustrojów. Na ich podstawie wyznaczono współczynniki zastepczych obciazen skupionych poszczególnych fałd ustroju. Umozliwiaja one analize nosnosci i sztywnosci blach fałdowych obciazonych siłami skupionymi, która jest przydatna w projektowaniu

Keywords: Corrugated sheets; Load resistance; Concentrated load; Finite element method

References

  • 1. A. Biegus, Load-bearing capacity of compression corrugated sheets. Scientific Works, Institute of Civil Engineering of Wroclaw Technical University, 1993.Google Scholar

  • 2. A. Biegus,A. KOWAL, Elastic Load-Bearing Capacity of Corrugated Sheet Bent by Concentrated Load. European Workshop “Thin - Walled Steel Structure”. Krzyzowa [in Polish], 1996.Google Scholar

  • 3. J. Bródka, R. Garncarek, K. Miłaczewski, Corrugated sheets in steel building, Warsaw, Arkady, [in Polish], 1984.Google Scholar

  • 4. R. Baehre, F. Gong, Ein neues Berechnungsverfahren zur Beurteilung der Begehbarkeit von dünnwandigen Trapezprofilen. Stahlbau 1996 H. 7.Google Scholar

  • 5. DIN 18807: Stahltrapezprofile. Juni 1987, Teil 1: Allgemeine Anforderungen; Ermittlung der Tragf¨ahigkeitswerte durch Berechnung; Teil 2: Durchführung und Auswertung von Tragf¨ahigkeitsversuchen; Teil 3: Festigkeitsnachweis und konstruktive Ausbildung, 1987.Google Scholar

About the article

Received: 2009-12-16

Revised: 2010-12-18

Published Online: 2010-12-09

Published in Print: 2010-12-01


Citation Information: Archives of Civil Engineering, Volume 56, Issue 4, Pages 283–297, ISSN (Online) 1230-2945, DOI: https://doi.org/10.2478/v.10169-010-0016-7.

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© Polish Academy of Sciences. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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