Numerical modeling of concrete-filled double-skin steel square tubular columns under blast loading

Zhang, F; Wu, C; Zhao, XL; Li, ZX; Heidarpour, A; Wang, H

Numerical modeling of concrete-filled double-skin steel square tubular columns under blast loading

Zhang, F Wu, C

Zhao, XL Li, ZX Heidarpour, A Wang, H

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Publication Type:: Journal Article
Citation:: Journal of Performance of Constructed Facilities, 2015, 29 (5)
Issue Date:: 2015-01-01

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Field	Value	Language
dc.contributor.author	Zhang, F	en_US
dc.contributor.author	Wu, C https://orcid.org/0000-0001-6786-7934	en_US
dc.contributor.author	Zhao, XL	en_US
dc.contributor.author	Li, ZX	en_US
dc.contributor.author	Heidarpour, A	en_US
dc.contributor.author	Wang, H	en_US
dc.date.issued	2015-01-01	en_US
dc.identifier.citation	Journal of Performance of Constructed Facilities, 2015, 29 (5)	en_US
dc.identifier.issn	0887-3828	en_US
dc.identifier.uri	http://hdl.handle.net/10453/119374
dc.description.abstract	© 2015 American Society of Civil Engineers. Concrete-filled double-skin tubes (CFDST) have been widely used in constructing high-rise buildings, arch bridges, and factories over the past years. Although a number of researches have been conducted to study the behavior of CFDST columns under a variety of loading conditions, their performance when subjected to lateral impact load is still lacking. In this paper, numerical models of CFDST columns with two different cross sections are developed: one is with a CHS (circular hollow section) outer and CHS (circular hollow section) inner, and the other one is with SHS (square hollow section) outer and SHS (square hollow section) inner. Conventional concrete is filled in double-skin steel tubes. Different blast loads are applied to the surface of these columns for dynamic analysis. In addition, different axial loads are also applied to simulate combined load conditions. The displacement-time history obtained from each simulation is recorded and then compared. The key parameters that affect the performance of CFDST columns under blast load are also investigated.	en_US
dc.relation.ispartof	Journal of Performance of Constructed Facilities	en_US
dc.relation.isbasedon	10.1061/(ASCE)CF.1943-5509.0000749	en_US
dc.subject.classification	Civil Engineering	en_US
dc.title	Numerical modeling of concrete-filled double-skin steel square tubular columns under blast loading	en_US
dc.type	Journal Article
utslib.citation.volume	5	en_US
utslib.citation.volume	29	en_US
utslib.for	0905 Civil Engineering	en_US
utslib.for	0915 Interdisciplinary Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
utslib.copyright.status	closed_access
pubs.issue	5	en_US
pubs.publication-status	Published	en_US
pubs.volume	29	en_US

Abstract:

© 2015 American Society of Civil Engineers. Concrete-filled double-skin tubes (CFDST) have been widely used in constructing high-rise buildings, arch bridges, and factories over the past years. Although a number of researches have been conducted to study the behavior of CFDST columns under a variety of loading conditions, their performance when subjected to lateral impact load is still lacking. In this paper, numerical models of CFDST columns with two different cross sections are developed: one is with a CHS (circular hollow section) outer and CHS (circular hollow section) inner, and the other one is with SHS (square hollow section) outer and SHS (square hollow section) inner. Conventional concrete is filled in double-skin steel tubes. Different blast loads are applied to the surface of these columns for dynamic analysis. In addition, different axial loads are also applied to simulate combined load conditions. The displacement-time history obtained from each simulation is recorded and then compared. The key parameters that affect the performance of CFDST columns under blast load are also investigated.

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http://hdl.handle.net/10453/119374