Buckling analysis of braced and unbraced steel frames exposed to fire

2013 ◽  
Vol 49 ◽  
pp. 541-559 ◽  
Author(s):  
Carlos Couto ◽  
Paulo Vila Real ◽  
Nuno Lopes ◽  
João Paulo Rodrigues
Keyword(s):  
Steel Frames ◽  
Buckling Analysis

Buckling Analysis of Sway Steel Frames with Semi-Rigid Connections

2011 ◽  
Vol 250-253 ◽  
pp. 3876-3879
Author(s):  
Wan Zhen Wang ◽  
Ji Xiang Xu ◽  
Fei Yi Chen
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Steel Frames ◽  
Buckling Analysis ◽  
Nonlinear Finite Element ◽  
Effective Length ◽  
Finite Element Models ◽  
Rotational Stiffness ◽  
Element Analysis ◽  
Effective Length Factor

The modified factor formulas, which are applicable to sway steel frames, are derived by considering joint relative rotational stiffness and adopting the modified stiffness factor. The finite element models of steel frames with semi-rigid and rigid connections are established using ANSYS program. Nonlinear finite element analysis of steel frames with two web and top-seat angles steel semi-rigid connections is conducted. Through bulking analysis of sway steel frames with semi-rigid connections, the effective length factor of sway steel frames is derived, which considers nonlinear rotation of two web and top-seat angles steel semi-rigid connections.

Evaluation of Critical Loads of Steel Frames using Iterative Buckling Analysis

2010 ◽  
Vol 97 (33) ◽  
pp. 63-70
Author(s):  
Dong-Ho Choi ◽  
Hoon Yoo ◽  
Sun Gil Gwon
Keyword(s):  
Critical Loads ◽  
Steel Frames ◽  
Buckling Analysis

GBT-based local, distortional and global buckling analysis of thin-walled steel frames

2009 ◽  
Vol 47 (11) ◽  
pp. 1246-1264 ◽  
Author(s):  
C. Basaglia ◽  
D. Camotim ◽  
N. Silvestre
Keyword(s):  
Steel Frames ◽  
Buckling Analysis ◽  
Global Buckling ◽  
Thin Walled

GBT buckling analysis of thin-walled steel frames: A state-of-the-art report

2010 ◽  
Vol 48 (10-11) ◽  
pp. 726-743 ◽  
Author(s):  
D. Camotim ◽  
C. Basaglia ◽  
N. Silvestre
Keyword(s):  
State Of The Art ◽  
Steel Frames ◽  
Buckling Analysis ◽  
Thin Walled

Buckling Analysis of Steel Frames Exposed to Natural Fire Scenarios

Structures ◽  
2017 ◽  
Vol 10 ◽  
pp. 76-88 ◽  
Author(s):  
Thiago Silva ◽  
Martina Carić ◽  
Carlos Couto ◽  
Paulo Vila Real ◽  
Nuno Lopes ◽  
...  
Keyword(s):  
Steel Frames ◽  
Buckling Analysis ◽  
Natural Fire ◽  
Fire Scenarios
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