Second-order analysis of 2-D steel frames at elevated temperatures

Chan, J. Y. K., Cho, S. S. H. and Albermani, F. G. (2011) Second-order analysis of 2-D steel frames at elevated temperatures. Advanced Steel Construction, 7 3: 255-273.

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Author Chan, J. Y. K.
Cho, S. S. H.
Albermani, F. G.
Title Second-order analysis of 2-D steel frames at elevated temperatures
Journal name Advanced Steel Construction   Check publisher's open access policy
ISSN 1816-112X
Publication date 2011-09
Sub-type Article (original research)
Volume 7
Issue 3
Start page 255
End page 273
Total pages 19
Place of publication Kowloon, Hong Kong
Publisher Hong Kong Institute of Steel Construction
Collection year 2012
Language eng
Formatted abstract
At elevated temperatures, the stress-strain relationship of steel will be nonlinear. When one of the columns of a steel frame is subject to a local fire, the material properties of the column will deteriorate locally. Although the column is weakened, the steel frame will not collapse immediately if the frame is robust enough so that the excessive internal forces of the column can be redistributed by its connecting members. Structural design with robustness consideration can prevent a steel building under local fire from collapse. This paper is to propose a second-order analysis and design method for 2-D steel frames considering the nonlinear stress-strain relationship of the material under elevated temperatures. Results are found to be in line with the Eurocode 3 predicted failure loads.
Keyword Steel
Column
Frame
Fire
Elevated temperature
Second-order analysis
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2012 Collection
 
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Created: Sun, 25 Sep 2011, 00:21:36 EST by System User on behalf of School of Civil Engineering