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Conference Paper: Slenderness effects on CFRP strengthening of aluminium tubular structural members subjected to concentrated end bearing load

TitleSlenderness effects on CFRP strengthening of aluminium tubular structural members subjected to concentrated end bearing load
Authors
Issue Date2011
PublisherICSAS11.
Citation
The 7th International Conference on Steel and Aluminium Structures (ICSAS 2011), Sarawak, Malaysia, 13-15 July 2011. In Proceedings of the 7th ICSAS, 2011, p. 85-91 How to Cite?
AbstractAluminium tubular structural members may experience web crippling failure due to localize concentrated loads or reactions. This paper reports an experimental program on strengthening of high strength aluminium tubular structural members using externally bonded carbon fibre-reinforced polymer (CFRP). A series of tests on CFRP strengthened aluminium square and rectangular hollow sections subjected to web crippling are presented. The web crippling tests were conducted under two loading conditions of End-Two-Flange (ETF) and End-One-Flange (EOF). A total of 27 web crippling tests were conducted in this study. The investigation was mainly focused on the effects of web slenderness of aluminium tubular sections on CFRP strengthening against web crippling. The tests were performed on eight different sizes of square and rectangular hollow sections which covered a wide range of slenderness (flat portion of web depth-to-thickness) ratio from 6.2 to 61.8. Material properties of each aluminium section were obtained from tensile coupon tests. Most of the strengthened specimens were failed by debonding of CFRP plate from the aluminium tubes. Three main failure modes were observed in the tests, namely the adhesion, combination of adhesion and cohesion, and interlaminar failure of CFRP plate. The failure modes and the load-web deformation behaviour of the aluminium sections are also presented. It was found that the web crippling capacity of aluminium sections are significantly increased due to CFRP strengthening, especially for those sections with higher web slenderness ratio.
Persistent Identifierhttp://hdl.handle.net/10722/165769
ISBN

 

DC FieldValueLanguage
dc.contributor.authorIslam, SMZen_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-09-20T08:23:08Z-
dc.date.available2012-09-20T08:23:08Z-
dc.date.issued2011en_US
dc.identifier.citationThe 7th International Conference on Steel and Aluminium Structures (ICSAS 2011), Sarawak, Malaysia, 13-15 July 2011. In Proceedings of the 7th ICSAS, 2011, p. 85-91en_US
dc.identifier.isbn978-981-08-9247-0-
dc.identifier.urihttp://hdl.handle.net/10722/165769-
dc.description.abstractAluminium tubular structural members may experience web crippling failure due to localize concentrated loads or reactions. This paper reports an experimental program on strengthening of high strength aluminium tubular structural members using externally bonded carbon fibre-reinforced polymer (CFRP). A series of tests on CFRP strengthened aluminium square and rectangular hollow sections subjected to web crippling are presented. The web crippling tests were conducted under two loading conditions of End-Two-Flange (ETF) and End-One-Flange (EOF). A total of 27 web crippling tests were conducted in this study. The investigation was mainly focused on the effects of web slenderness of aluminium tubular sections on CFRP strengthening against web crippling. The tests were performed on eight different sizes of square and rectangular hollow sections which covered a wide range of slenderness (flat portion of web depth-to-thickness) ratio from 6.2 to 61.8. Material properties of each aluminium section were obtained from tensile coupon tests. Most of the strengthened specimens were failed by debonding of CFRP plate from the aluminium tubes. Three main failure modes were observed in the tests, namely the adhesion, combination of adhesion and cohesion, and interlaminar failure of CFRP plate. The failure modes and the load-web deformation behaviour of the aluminium sections are also presented. It was found that the web crippling capacity of aluminium sections are significantly increased due to CFRP strengthening, especially for those sections with higher web slenderness ratio.-
dc.languageengen_US
dc.publisherICSAS11.-
dc.relation.ispartofProceedings of the 7th International Conference on Steel and Aluminium Structures, ICSAS 2011en_US
dc.titleSlenderness effects on CFRP strengthening of aluminium tubular structural members subjected to concentrated end bearing loaden_US
dc.typeConference_Paperen_US
dc.identifier.emailIslam, SMZ: zahurul@HKUSUA.hku.hken_US
dc.identifier.emailYoung, B: young@hku.hk-
dc.identifier.authorityYoung, B=rp00208en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.3850/978-981-08-9247-0_rp011-icsas11-
dc.identifier.hkuros209557en_US
dc.identifier.spage85en_US
dc.identifier.epage91en_US
dc.description.otherThe 7th International Conference on Steel and Aluminium Structures (ICSAS 2011), Sarawak, Malaysia, 13-15 July 2011. In Proceedings of the 7th ICSAS, 2011, p. 85-91-

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