Behavior of Fire Exposed Concrete-Filled Double Skin Steel Tubular (CFDST) Columns under Concentric Axial Loads: Fid-Bau Portal

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Behavior of Fire Exposed Concrete-Filled Double Skin Steel Tubular (CFDST) Columns under Concentric Axial Loads

Mohd Zuki, S.S. / Jayaprakash, J. / Shahidan, Shahiron / Chong Yong, Ong

This paper presents the result of an experimental investigation of axial behavior of concrete-filled double skin steel tubular (CFDST) columns exposed to high temperature under the action of monotonically applied concentric axial loads. The columns were exposed to ASTM E-119 standard fire curve until 600°C and kept constant for two different exposure time (i.e., 60 and 90 minutes). Failure patterns and reduction in strength, ductility and stiffness of CFDST columns are reported. Factors influencing the strength, ductility and stiffness of CFDST columns during fire exposure, i.e., exposure time, temperature of concrete core and temperature of inner steel tube, are also discussed.

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Behavior of Fire Exposed Concrete-Filled Double Skin Steel Tubular (CFDST) Columns under Concentric Axial Loads

Mohd Zuki, S.S. / Jayaprakash, J. / Shahidan, Shahiron / Chong Yong, Ong

This paper presents the result of an experimental investigation of axial behavior of concrete-filled double skin steel tubular (CFDST) columns exposed to high temperature under the action of monotonically applied concentric axial loads. The columns were exposed to ASTM E-119 standard fire curve until 600°C and kept constant for two different exposure time (i.e., 60 and 90 minutes). Failure patterns and reduction in strength, ductility and stiffness of CFDST columns are reported. Factors influencing the strength, ductility and stiffness of CFDST columns during fire exposure, i.e., exposure time, temperature of concrete core and temperature of inner steel tube, are also discussed.

Behavior of Fire Exposed Concrete-Filled Double Skin Steel Tubular (CFDST) Columns under Concentric Axial Loads

Mohd Zuki, S.S. / Jayaprakash, J. / Shahidan, Shahiron / Chong Yong, Ong

This paper presents the result of an experimental investigation of axial behavior of concrete-filled double skin steel tubular (CFDST) columns exposed to high temperature under the action of monotonically applied concentric axial loads. The columns were exposed to ASTM E-119 standard fire curve until 600°C and kept constant for two different exposure time (i.e., 60 and 90 minutes). Failure patterns and reduction in strength, ductility and stiffness of CFDST columns are reported. Factors influencing the strength, ductility and stiffness of CFDST columns during fire exposure, i.e., exposure time, temperature of concrete core and temperature of inner steel tube, are also discussed.

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Title:

Behavior of Fire Exposed Concrete-Filled Double Skin Steel Tubular (CFDST) Columns under Concentric Axial Loads

Contributors:

Mohd Zuki, S.S. / Jayaprakash, J. / Shahidan, Shahiron / Chong Yong, Ong

Published in:

Applied Mechanics and Materials ; 773-774 ; 938-942

Publication date:

2015-07-15

Size:

5 pages

ISSN:

1662-7482 , 1660-9336

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.773-774.938

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Residual Strength , Fire Exposure , Concentric Load , CFDST Columns , ASTM E-119 Fire Curve

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