Thermal Behavior of Cylindrical Buckling Restrained Braces at Elevated Temperatures
Joint Authors
Zahmatkesh, Farshad
Talebi, Elnaz
Tahir, Mahmood Md.
Yasreen, Airil
Mirza, Jahangir
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-01-09
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Medicine
Information Technology and Computer Science
Abstract EN
The primary focus of this investigation was to analyze sequentially coupled nonlinear thermal stress, using a three-dimensional model.
It was meant to shed light on the behavior of Buckling Restraint Brace (BRB) elements with circular cross section, at elevated temperature.
Such bracing systems were comprised of a cylindrical steel core encased in a strong concrete-filled steel hollow casing.
A debonding agent was rubbed on the core’s surface to avoid shear stress transition to the restraining system.
The numerical model was verified by the analytical solutions developed by the other researchers.
Performance of BRB system under seismic loading at ambient temperature has been well documented.
However, its performance in case of fire has yet to be explored.
This study showed that the failure of brace may be attributed to material strength reduction and high compressive forces, both due to temperature rise.
Furthermore, limiting temperatures in the linear behavior of steel casing and concrete in BRB element for both numerical and analytical simulations were about 196°C and 225°C, respectively.
Finally it is concluded that the performance of BRB at elevated temperatures was the same as that seen at room temperature; that is, the steel core yields prior to the restraining system.
American Psychological Association (APA)
Talebi, Elnaz& Tahir, Mahmood Md.& Zahmatkesh, Farshad& Yasreen, Airil& Mirza, Jahangir. 2014. Thermal Behavior of Cylindrical Buckling Restrained Braces at Elevated Temperatures. The Scientific World Journal،Vol. 2014, no. 2014, pp.1-13.
https://search.emarefa.net/detail/BIM-1050556
Modern Language Association (MLA)
Talebi, Elnaz…[et al.]. Thermal Behavior of Cylindrical Buckling Restrained Braces at Elevated Temperatures. The Scientific World Journal No. 2014 (2014), pp.1-13.
https://search.emarefa.net/detail/BIM-1050556
American Medical Association (AMA)
Talebi, Elnaz& Tahir, Mahmood Md.& Zahmatkesh, Farshad& Yasreen, Airil& Mirza, Jahangir. Thermal Behavior of Cylindrical Buckling Restrained Braces at Elevated Temperatures. The Scientific World Journal. 2014. Vol. 2014, no. 2014, pp.1-13.
https://search.emarefa.net/detail/BIM-1050556
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1050556