RESEARCH ON THE FIRE RESISTANCE BEHAVIOUR OF HOLLOW CONCRETE FILLED STEEL TUBE COLUMNS AND WITH WATER

Yu Min; Zha Xiaoxiong

doi:10.13204/j.gyjz201106007

Volume 41 Issue 6

Dec. 2014

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Yu Min, Zha Xiaoxiong. RESEARCH ON THE FIRE RESISTANCE BEHAVIOUR OF HOLLOW CONCRETE FILLED STEEL TUBE COLUMNS AND WITH WATER[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 36-42. doi: 10.13204/j.gyjz201106007

Citation:

Yu Min, Zha Xiaoxiong. RESEARCH ON THE FIRE RESISTANCE BEHAVIOUR OF HOLLOW CONCRETE FILLED STEEL TUBE COLUMNS AND WITH WATER[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 36-42. doi: 10.13204/j.gyjz201106007

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RESEARCH ON THE FIRE RESISTANCE BEHAVIOUR OF HOLLOW CONCRETE FILLED STEEL TUBE COLUMNS AND WITH WATER

doi: 10.13204/j.gyjz201106007

1.
Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,China

Received Date: 2011-02-10
Publish Date: 2011-06-20

Abstract

Abstract

Non-linear finite element method is used to simulate the behaviors of H-CFST columns with different hollow ratio under different fire load ratio, which have the same steel tube size.Results show that when the term fire load ratio is relatively larger, fire resistance time of CFST firstly increases then decreases as hollow ratio increases.While fire load ratio is relatively smaller, fire resistance time of columns linear decreases as hollow ratio increases.When the hollow filled with water, the fire resistance time is almost the same under lager fire load ratio, but it can be obviously improved under small fire load ratio.Based on this conclusion and according to Chinese code, furthermore, a method of calculating the thickness of fireproof paint of H-CFST columns is given.
- hollow concrete-filled steel tube,
- hollow with water,
- fire resistance,
- fire load ratio,
- thickness of fireproof paint

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References(30)

References

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