The Study of Post-Fire Load Bearing Capacity of Steel Column under Axial Compression Exposure to one-Side Fire

Jian Feng Chen; Tian Hua Zhou; Lin Feng Lu; Han Heng Wu

doi:10.4028/www.scientific.net/AMR.284-286.330

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 284-286The Study of Post-Fire Load Bearing Capacity of...

The Study of Post-Fire Load Bearing Capacity of Steel Column under Axial Compression Exposure to one-Side Fire

Abstract:

The section of steel column under axial compression presents heterogeneous material and its load condition changes after experiencing fire damage of one side. Taking H-section steel column under axial compression commonly used in engineering for study object in this thesis in order to study post-fire residual load bearing capacity, the post-fire eccentric effect of steel column under axial compression exposure to one-side fire is analyzed using the method of equivalent section which considering the change of the material strength after high temperature, the influence of non-uniform temperature field on material properties and the stiffness degradation of member section. Calculation methods of the eccentricity and additional moment are proposed and further given a formula of residual load bearing capacity.

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Periodical:

Advanced Materials Research (Volumes 284-286)

Pages:

330-334

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.284-286.330

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Online since:

July 2011

Authors:

Jian Feng Chen, Tian Hua Zhou, Lin Feng Lu, Han Heng Wu

Keywords:

Heterogeneous Material, Load-Bearing Capacity, One-Side Fire, Post-Fire, Steel Column under Axial Compression

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References

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