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Published in:
2013 | OriginalPaper | Chapter
Fire-Resistance of Restrained Steel Columns
Authors : Prof. Guoqiang Li, Associate Prof. Peijun Wang
Published in: Advanced Analysis and Design for Fire Safety of Steel Structures
Publisher: Springer Berlin Heidelberg
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Traditionally, the fire resistance of a steel column is obtained through a standard fire resistance test conducted on a simply supported compressive specimen subjected to the standard fire exposure, such as ISO834
[1]
. Although the standard fire resistance test is a convenient way for grading the relative fire performance of different types of structural members, for a number of reasons it is not very effective in developing our understanding of realistic structural behavior in a fire. An important shortcoming is that standard fire resistance tests are carried out on the individual structural member, not on a complete structure. Therefore, structural interactions cannot be assessed. The Broadgate fire
[2,3]
and the series of Cardington fire tests and the following theoretical analysis
[4,5,6]
have all shown that strong interactions exist among slabs, columns and beams. An effective way of studying structural interactions in a fire is to perform fire tests on restrained steel members.