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Lateral torsional buckling of split aluminium mullion (CROSBI ID 231507)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Skejić, Davor ; Lukić, Mladen ; Buljan, Nebojša ; Vido, Hrvoje Lateral torsional buckling of split aluminium mullion // Key engineering materials, 710 (2016), 445-450. doi: 10.4028/www.scientific.net/KEM.710.445

Podaci o odgovornosti

Skejić, Davor ; Lukić, Mladen ; Buljan, Nebojša ; Vido, Hrvoje

engleski

Lateral torsional buckling of split aluminium mullion

Curtain wall industry is the major user of aluminium as a structural material in buildings, with two basic curtain wall systems: stick and unitised. The latter is preassembled in shops, with the main feature that frame profiles are split in two interlocking halves. Such cross sections are complex, open and prone to lateral torsional buckling. General formulas for the calculation of elastic critical moment for lateral-torsional buckling are provided in the EN 1999-1-1, with a long and complicated procedure for non-symmetrical sections which makes it pretty impractical for everyday use. The problem of such sections can also be assessed by FEM modelling, which is a time consuming and complex process. Curtain wall industry is in a need of a swift, if approximate and conservative, method for checking the risk of lateral torsional buckling of profiles with non-symmetrical cross sections. Some available analytical methods are applied on a practical example and their results compared to those obtained using FEM modelling.

lateral torsional buckling ; aluminium ; non-symmetrical cross section ; analytical methods ; finite element method

13th International Conference INALCO 2016, Naples, 21-23 September 2016

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Podaci o izdanju

710

2016.

445-450

objavljeno

1013-9826

10.4028/www.scientific.net/KEM.710.445

Povezanost rada

Građevinarstvo

Poveznice
Indeksiranost