Stability of an imperfect truss loaded by wind

• Autorzy: Krajewski M. , Iwicki P.
• Języki publikacji: EN

Abstrakty

EN

The present paper is devoted to the numerical research of stability of a truss loaded by wind and stiffened by elastic supports located at the top chord. The lateral braces or lateral and torsional braces were taken into account. In this paper, the linear buckling analysis results for the beam and shell model were presented. Two different shapes of initial geometric imperfections were considered in the non-linear static analysis performed for the shell model of the structure. As a result, the truss buckling and the limit load were found to be related to the truss bracing stiffness and the threshold bracing condition, necessary to provide maximum buckling resistance of the truss, was obtained.

Słowa kluczowe

EN

elastic supports; buckling load; limit load

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Engineering Transactions
• Rocznik: 2016
• Tom: Vol. 64, iss. 4
• Strony: 509--516
• Opis fizyczny: Bibliogr. 8 poz., rys., tab., wykr.

Twórcy

autor

Krajewski M.

• Gdańsk University of Technology Faculty of Civil and Environmental Engineering Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Iwicki P.

• Gdańsk University of Technology Faculty of Civil and Environmental Engineering Narutowicza 11/12, 80-233 Gdańsk, Poland

Bibliografia

• 1. PN-EN 1993-1-1 Eurocode 3 (2006): Design of steel structures. Part 1–1: General rules and rules for buildings.
• 2. Biegus A., Trapezoidal sheet as a bracing preventing flat trusses from out-of-plane buckling, Archives of Civil and Mechanical Engineering, 15(3): 735–741, 2014, doi: 10.1016/j.acme.2014.08.007.
• 3. Jankowska-Sandberg J., Kołodziej J., Experimental study of steel truss lateral-torsional buckling, Engineering Structures, 46: 165–172, 2013, doi: 10.1016/j.engstruct.2012.07.033.
• 4. Krajewski M., Iwicki P., Stability and load bearing capacity of a truss with elastic braces, Recent Advances in Computational Mechanics, CRC Press Balkema, Taylor & Francis, pp. 17–22, 2014.
• 5. Krajewski M., Iwicki P., Sensitivity analysis of critical load and load bearing capacity of a truss with elastic braces, XI Conference New Developments on Mechanics, electronic version, 2015.
• 6. PN-EN 1991-1-4 Eurocode 1 (2008): Actions on structures, Design of steel structures. Part 1–4: General actions – Wind actions.
• 7. Femap with Nastran N.X., Finite element modeling and post-processing, Version 10.1.1., Siemens Product Lifecycle Management Software Inc., 2009.
• 8. Autodesk Robot Structural Analysis Professional, Autodesk Inc., 2010.

Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).