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Article: Influence of transverse steel configuration on post-elastic behaviour of high-strength reinforced concrete columns

TitleInfluence of transverse steel configuration on post-elastic behaviour of high-strength reinforced concrete columns
Authors
KeywordsColumn
Cross tie
High-strength concrete
Plastic hinge
Transverse reinforcement
Issue Date2003
PublisherHong Kong Institution of Engineers. The Journal's web site is located at http://www.hkie.org.hk/html/publications/transactions/index.asp
Citation
Transactions Hong Kong Institution Of Engineers, 2003, v. 10 n. 2, p. 1-9 How to Cite?
AbstractThe influence of transverse steel configuration on the inelastic behaviour of high-strength reinforced concrete (HSRC) columns that were designed complying with the shear strength of BS 8110 (BS columns), the authors' proposed equation (NEW columns) and the provisions of Design Guidance for High Strength Concrete (BS' columns) has been studied experimentally. Totally ten (five pairs) HSRC columns having concrete cube strength from 57 to 111 MPa were fabricated and tested under various levels of compressive axial load as well as reversed cyclic inelastic displacement excursions. Each pair of the columns contained almost identical cross-sectional properties, including concrete strength, applied compressive axial load level, content of longitudinal steel and transverse steel, except the configuration of transverse steel. In the BS columns (two pairs) as well as the NEW columns (two pairs), one of the columns in each pair contained intermediate cross ties along with single closed square hoops, which formed the transverse steel of the other column of the same pair. All end hooks of the transverse steel were bent 90° in the BS columns, but 135° (forming 45° angle) in the NEW columns. In the BS' columns, both of them contained intermediate cross ties in addition to single closed square hoops, but their end hooks were bent 90° in one of the columns and 135° in the other column. It was evident from the results that: (1) the NEW columns with cross ties had ultimate deformability superior than their counterparts without cross ties, (2) adverse effects in flexural strength and ductility were found in the BS columns containing cross ties with moderate amount of longitudinal steel due to large transverse steel spacing, (3) 45° end hooks effectively delayed the inelastic buckling of longitudinal steel, and (4) all the NEW columns behaved in a limited ductile manner.
Persistent Identifierhttp://hdl.handle.net/10722/70712
ISSN
2015 SCImago Journal Rankings: 0.145
References

 

DC FieldValueLanguage
dc.contributor.authorHo, JCMen_HK
dc.contributor.authorPam, HJen_HK
dc.date.accessioned2010-09-06T06:25:25Z-
dc.date.available2010-09-06T06:25:25Z-
dc.date.issued2003en_HK
dc.identifier.citationTransactions Hong Kong Institution Of Engineers, 2003, v. 10 n. 2, p. 1-9en_HK
dc.identifier.issn1023-697Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/70712-
dc.description.abstractThe influence of transverse steel configuration on the inelastic behaviour of high-strength reinforced concrete (HSRC) columns that were designed complying with the shear strength of BS 8110 (BS columns), the authors' proposed equation (NEW columns) and the provisions of Design Guidance for High Strength Concrete (BS' columns) has been studied experimentally. Totally ten (five pairs) HSRC columns having concrete cube strength from 57 to 111 MPa were fabricated and tested under various levels of compressive axial load as well as reversed cyclic inelastic displacement excursions. Each pair of the columns contained almost identical cross-sectional properties, including concrete strength, applied compressive axial load level, content of longitudinal steel and transverse steel, except the configuration of transverse steel. In the BS columns (two pairs) as well as the NEW columns (two pairs), one of the columns in each pair contained intermediate cross ties along with single closed square hoops, which formed the transverse steel of the other column of the same pair. All end hooks of the transverse steel were bent 90° in the BS columns, but 135° (forming 45° angle) in the NEW columns. In the BS' columns, both of them contained intermediate cross ties in addition to single closed square hoops, but their end hooks were bent 90° in one of the columns and 135° in the other column. It was evident from the results that: (1) the NEW columns with cross ties had ultimate deformability superior than their counterparts without cross ties, (2) adverse effects in flexural strength and ductility were found in the BS columns containing cross ties with moderate amount of longitudinal steel due to large transverse steel spacing, (3) 45° end hooks effectively delayed the inelastic buckling of longitudinal steel, and (4) all the NEW columns behaved in a limited ductile manner.en_HK
dc.languageengen_HK
dc.publisherHong Kong Institution of Engineers. The Journal's web site is located at http://www.hkie.org.hk/html/publications/transactions/index.aspen_HK
dc.relation.ispartofTransactions Hong Kong Institution of Engineersen_HK
dc.subjectColumnen_HK
dc.subjectCross tieen_HK
dc.subjectHigh-strength concreteen_HK
dc.subjectPlastic hingeen_HK
dc.subjectTransverse reinforcementen_HK
dc.titleInfluence of transverse steel configuration on post-elastic behaviour of high-strength reinforced concrete columnsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1023-697X&volume=10&issue=2&spage=1&epage=9&date=2003&atitle=Influence+of+Transverse+Steel+Configuration+on+Post-elastic+Behaviour+of+High-strength+Reinforced+Concrete+Columnsen_HK
dc.identifier.emailHo, JCM:johnny.ho@hku.hken_HK
dc.identifier.emailPam, HJ:pamhoatjoen@hku.hken_HK
dc.identifier.authorityHo, JCM=rp00070en_HK
dc.identifier.authorityPam, HJ=rp00071en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0042346341en_HK
dc.identifier.hkuros144931en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0042346341&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume10en_HK
dc.identifier.issue2en_HK
dc.identifier.spage1en_HK
dc.identifier.epage9en_HK
dc.publisher.placeHong Kongen_HK
dc.identifier.scopusauthoridHo, JCM=24831880500en_HK
dc.identifier.scopusauthoridPam, HJ=6602976141en_HK

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