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Article: Inelastic design of low-axially loaded high-strength reinforced concrete columns

TitleInelastic design of low-axially loaded high-strength reinforced concrete columns
Authors
KeywordsColumns
Ductility
High-strength concrete
Low axial load
Transverse reinforcement
Issue Date2003
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2003, v. 25 n. 8, p. 1083-1096 How to Cite?
AbstractThe post-elastic behaviour of low-axially loaded high-strength reinforced concrete (HSRC) columns containing transverse reinforcement designed complying with the shear resistance requirement of BS 8110 and the authors' proposed equation have been studied experimentally. Four HSRC columns, three for the former case and one for the latter, having concrete compressive cube strengths of about 85 MPa (cylinder strength of about 75 MPa) with cross-section dimensions of 325 × 325 mm were fabricated and tested under low compressive axial load as well as reversed cyclic inelastic displacement excursions. From the test results, it was observed that: (1) low-axially loaded HSRC columns designed according to BS 8110 behaved slightly ductile with the ultimate curvature ductility factor reached at least 7, (2) for a given range of volumetric ratio of transverse steel, the flexural ductility of low-axially loaded HSRC columns was not influenced by the transverse steel spacing that is less than three-quarters of the effective depth, (3) a series of single rectilinear closed-hoops of transverse steel was adequate for HSRC columns requiring to behave moderately ductile, and (4) the HSRC column containing transverse reinforcement calculated using the authors' proposed equation behaved in a more ductile manner by achieving an ultimate curvature ductility factor of 12, which is higher than the normally assumed limited ductility measure of 10. Based on these results, some guidelines for the design of low-axially loaded HSRC columns are proposed. © 2003 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/70652
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHo, JCMen_HK
dc.contributor.authorPam, HJen_HK
dc.date.accessioned2010-09-06T06:24:54Z-
dc.date.available2010-09-06T06:24:54Z-
dc.date.issued2003en_HK
dc.identifier.citationEngineering Structures, 2003, v. 25 n. 8, p. 1083-1096en_HK
dc.identifier.issn0141-0296en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70652-
dc.description.abstractThe post-elastic behaviour of low-axially loaded high-strength reinforced concrete (HSRC) columns containing transverse reinforcement designed complying with the shear resistance requirement of BS 8110 and the authors' proposed equation have been studied experimentally. Four HSRC columns, three for the former case and one for the latter, having concrete compressive cube strengths of about 85 MPa (cylinder strength of about 75 MPa) with cross-section dimensions of 325 × 325 mm were fabricated and tested under low compressive axial load as well as reversed cyclic inelastic displacement excursions. From the test results, it was observed that: (1) low-axially loaded HSRC columns designed according to BS 8110 behaved slightly ductile with the ultimate curvature ductility factor reached at least 7, (2) for a given range of volumetric ratio of transverse steel, the flexural ductility of low-axially loaded HSRC columns was not influenced by the transverse steel spacing that is less than three-quarters of the effective depth, (3) a series of single rectilinear closed-hoops of transverse steel was adequate for HSRC columns requiring to behave moderately ductile, and (4) the HSRC column containing transverse reinforcement calculated using the authors' proposed equation behaved in a more ductile manner by achieving an ultimate curvature ductility factor of 12, which is higher than the normally assumed limited ductility measure of 10. Based on these results, some guidelines for the design of low-axially loaded HSRC columns are proposed. © 2003 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_HK
dc.relation.ispartofEngineering Structuresen_HK
dc.subjectColumnsen_HK
dc.subjectDuctilityen_HK
dc.subjectHigh-strength concreteen_HK
dc.subjectLow axial loaden_HK
dc.subjectTransverse reinforcementen_HK
dc.titleInelastic design of low-axially loaded high-strength reinforced concrete columnsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0141-0296&volume=25&spage=1083&epage=1096&date=2003&atitle=Inelastic+design+of+low-axially+loaded+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.doi10.1016/S0141-0296(03)00050-6en_HK
dc.identifier.scopuseid_2-s2.0-0037531197en_HK
dc.identifier.hkuros144911en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037531197&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume25en_HK
dc.identifier.issue8en_HK
dc.identifier.spage1083en_HK
dc.identifier.epage1096en_HK
dc.identifier.isiWOS:000183189300009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHo, JCM=24831880500en_HK
dc.identifier.scopusauthoridPam, HJ=6602976141en_HK

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