Numerical modelling of FRP-concrete-steel double-skin tubular columns under blast loading

Wang, W; Wu, C

Numerical modelling of FRP-concrete-steel double-skin tubular columns under blast loading

Wang, W

Wu, C

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Publication Type:: Conference Proceeding
Citation:: Tubular Structures XVI - Proceedings of the 16th International Symposium on Tubular Structures, ISTS 2017, 2018, pp. 387 - 393
Issue Date:: 2018-01-01

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Field	Value	Language
dc.contributor.author	Wang, W https://orcid.org/0000-0003-2782-8652	en_US
dc.contributor.author	Wu, C https://orcid.org/0000-0001-6786-7934	en_US
dc.date.issued	2018-01-01	en_US
dc.identifier.citation	Tubular Structures XVI - Proceedings of the 16th International Symposium on Tubular Structures, ISTS 2017, 2018, pp. 387 - 393	en_US
dc.identifier.isbn	9780815381341	en_US
dc.identifier.uri	http://hdl.handle.net/10453/133507
dc.description.abstract	© 2018 Taylor & Francis Group, London. This study presents a numerical study on the behavior of hybrid DSTCs under close-in blast loading. Numerical models of hybrid DSTCs were developed and validated. Afterwards, detailed numerical simulations were conducted to investigate the influences of different parameters on the behavior of hybrid DSTCs under blast loading. The mid-span deflection-time history were recorded and analyzed. The numerical simulation results indicate that the inner steel tube plays a key role in resisting the blast loading, while the contribution from outer FRP tube is less significant. Increasing the inner steel tube thickness and hollowness ratio can lead to a decrease of the maximum deflection of hybrid DSTCs. Under a lower axial load level, the maximum deflection will not increase with the increase of axial load. The influences of concrete strength and outer FRP tube thickness are insignificant.	en_US
dc.relation	http://purl.org/au-research/grants/arc/DP160104661
dc.relation.ispartof	Tubular Structures XVI - Proceedings of the 16th International Symposium on Tubular Structures, ISTS 2017	en_US
dc.relation.isbasedon	10.1201/9781351210843-48	en_US
dc.title	Numerical modelling of FRP-concrete-steel double-skin tubular columns under blast loading	en_US
dc.type	Conference Proceeding
utslib.for	0905 Civil 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.publication-status	Published	en_US

Abstract:

© 2018 Taylor & Francis Group, London. This study presents a numerical study on the behavior of hybrid DSTCs under close-in blast loading. Numerical models of hybrid DSTCs were developed and validated. Afterwards, detailed numerical simulations were conducted to investigate the influences of different parameters on the behavior of hybrid DSTCs under blast loading. The mid-span deflection-time history were recorded and analyzed. The numerical simulation results indicate that the inner steel tube plays a key role in resisting the blast loading, while the contribution from outer FRP tube is less significant. Increasing the inner steel tube thickness and hollowness ratio can lead to a decrease of the maximum deflection of hybrid DSTCs. Under a lower axial load level, the maximum deflection will not increase with the increase of axial load. The influences of concrete strength and outer FRP tube thickness are insignificant.

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http://hdl.handle.net/10453/133507