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Buckling of an axially restrained steel column under fire loading
ID Hozjan, Tomaž (Avtor), ID Planinc, Igor (Avtor), ID Saje, Miran (Avtor), ID Srpčič, Stane (Avtor)

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MD5: 17D107268D9913DE421C9004A90E0F59
PID: 20.500.12556/rul/f629a3fc-0e23-45e5-87be-1325bb272695

Izvleček
Analytical procedure, based on the linearized stability analysis, is presented for the determination of the buckling load and the buckling temperature of a straight, geometrically perfect, axially loaded steel column subjected to an increasing temperature simulating fire conditions. The nonlinear kinematical equations and the nonlinearity of material are considered. The stress strain relation for steel at the elevated temperature and the rules for reduction of material parameters due to increased temperature are taken from European standard EC 3. Theoretical findings are applied in the parametric analysis of a series of Euler's columns subjected to two parametric fires. It is found how the slenderness of the column, the material nonlinearity, the temperature dependence of material parameters, and the stiffness of restraints at supports effect the critical temperature. While these parameters have major influence on the critical temperature, they have no effect on the shape of the buckling mode.

Jezik:Angleški jezik
Ključne besede:steel columns, inelastic buckling, critical temperature, fire analysis, high temperatures, Reissner beam
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Založnik:World Scientific Publishing
Leto izida:2011
Št. strani:Str. 451-472
Številčenje:Letn. 11, št. 3
PID:20.500.12556/RUL-32131 Povezava se odpre v novem oknu
UDK:624.07
ISSN pri članku:0219-4554
DOI:10.1142/SO219455411004245 Povezava se odpre v novem oknu
COBISS.SI-ID:5405537 Povezava se odpre v novem oknu
Datum objave v RUL:10.07.2015
Število ogledov:3763
Število prenosov:1076
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Gradivo je del revije

Naslov:International journal of structural stability and dynamics
Založnik:World Scientific
ISSN:0219-4554
COBISS.SI-ID:517367321 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:jekleni ukloni, nelinearni uklon, kritična temperatura, požarna analiza, povišane temperature, Reissnerjev nosilec, nosilci

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