Preliminary Analysis of Concrete Filled Steel Tube Reinforced Concrete Columns under Axial Compression after Exposure to Fire

Wan Qing Yu; Qing Xin Ren; Lian Guang Jia

doi:10.4028/www.scientific.net/AMM.578-579.772

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 578-579Preliminary Analysis of Concrete Filled Steel Tube...

Preliminary Analysis of Concrete Filled Steel Tube Reinforced Concrete Columns under Axial Compression after Exposure to Fire

Abstract:

In this paper, a further research has been carried on mechanical properties of concrete filled steel tube reinforced concrete columns after exposure to fire. A finite element analysis (FEA) model for concrete filled steel tube reinforced concrete columns after exposure to fire under axial compression is developed by ABAQUS. The temperature of cross-section element after exposure to fire has been obtained. The FEA model of temperature field is then used to investigate the mechanism of such composite columns further. Influences of parameters on Load-bearing Capacity such as fire duration time and steel ratio were analyzed. The work in this paper provides a basis for further theoretical study on concrete filled steel tube reinforced concrete columns after exposure to fire.

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Periodical:

Applied Mechanics and Materials (Volumes 578-579)

Pages:

772-775

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.578-579.772

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Online since:

July 2014

Authors:

Wan Qing Yu, Qing Xin Ren*, Lian Guang Jia

Keywords:

After Fire, Axial Compression, Concrete Filled Steel Tube Reinforced Concrete Column, Finite Element Analysis (FEA), Load-Bearing Capacity

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* - Corresponding Author

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