Fire Resistance Performance of High-Strength Concrete Columns Reinforced with Pre-Stressed Wire Ropes

Heung Youl Kim; Hyung Jun Kim; Kyung Hoon Park; Bum Youn Cho; Jae Sung Lee

doi:10.4028/www.scientific.net/AMM.470.880

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 470Fire Resistance Performance of High-Strength...

Fire Resistance Performance of High-Strength Concrete Columns Reinforced with Pre-Stressed Wire Ropes

Abstract:

In this study, the fire resistance performance of high-strength concrete columns was evaluated to see the influence of lateral confinement reinforcement with wire ropes for improving ductility, fire resistance reinforcement with fiber cocktail and load ratio. For this, loaded fire test was conducted under ISO834 standard fire condition. The axial ductility of the 60MPa high-strength concrete column reinforced with pre-stressed wire ropes was improved and its fire resistance performance was also improved by 23% compared with its counterpart without wire ropes. The appropriate load for the 60MPa concrete column reinforced with wire ropes was found to be 70% of design load. The fire resistance performance of the 100MPa high-strength concrete column reinforced with pre-stressed wire ropes and fiber-cocktail was improved as much as 4 times compared with that reinforced with tie bars only. The appropriate load for the 100MPa columns was found to be less than 70% of design load in order for the columns to secure required fire resistance performance.

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Periodical:

Applied Mechanics and Materials (Volume 470)

Pages:

880-883

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.470.880

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Online since:

December 2013

Authors:

Heung Youl Kim, Hyung Jun Kim, Kyung Hoon Park, Bum Youn Cho, Jae Sung Lee

Keywords:

Design Load, Fire Resistance, High-Strength Concrete (HSC), Pre-Stressed Wire Rope

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