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Article: Limited ductility design of reinforced concrete columns for tall buildings in low to moderate seismicity regions

TitleLimited ductility design of reinforced concrete columns for tall buildings in low to moderate seismicity regions
Authors
Issue Date2011
PublisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/1541-7794/
Citation
Structural Design Of Tall And Special Buildings, 2011, v. 20 n. 1, p. 102-120 How to Cite?
AbstractNonlinear moment-curvature analysis using stress-strain relationships of the constitutive materials and take into account the stress path dependence of longitudinal steel was performed to study the structural parameters affecting the flexural ductility of high-strength reinforced concrete (HSRC) columns. From the analysis, a theoretical equation for designing square-shaped limited ductility HSRC columns was proposed that correlates the volumetric ratio of confining reinforcement within critical region to the cross-section core area ratio, yield strengths of longitudinal and confining reinforcement, area ratio of longitudinal reinforcement, concrete strength and compressive axial load level. The validity of the proposed theoretical equation was verified by testing eight square-shaped columns with concrete cylinder strength varied from 50 to 96 MPa and longitudinal steel ratio from 0.9 to 6.1% that contained the proposed content of confining reinforcement within the critical region of columns. Outside the critical region, the confining steel is designed based on ultimate shear demand. The columns were tested under reversed cyclic inelastic displacements and compressive axial load, whose magnitude was held constant throughout the test. From the test results, it was observed that the ultimate curvature ductility factor obtained for these columns were about 10, which are considered to behave in a limited ductility manner. © 2010 John Wiley & Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/124548
ISSN
2015 Impact Factor: 0.898
2015 SCImago Journal Rankings: 0.690
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHo, JCMen_HK
dc.date.accessioned2010-10-31T10:40:44Z-
dc.date.available2010-10-31T10:40:44Z-
dc.date.issued2011en_HK
dc.identifier.citationStructural Design Of Tall And Special Buildings, 2011, v. 20 n. 1, p. 102-120en_HK
dc.identifier.issn1541-7794en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124548-
dc.description.abstractNonlinear moment-curvature analysis using stress-strain relationships of the constitutive materials and take into account the stress path dependence of longitudinal steel was performed to study the structural parameters affecting the flexural ductility of high-strength reinforced concrete (HSRC) columns. From the analysis, a theoretical equation for designing square-shaped limited ductility HSRC columns was proposed that correlates the volumetric ratio of confining reinforcement within critical region to the cross-section core area ratio, yield strengths of longitudinal and confining reinforcement, area ratio of longitudinal reinforcement, concrete strength and compressive axial load level. The validity of the proposed theoretical equation was verified by testing eight square-shaped columns with concrete cylinder strength varied from 50 to 96 MPa and longitudinal steel ratio from 0.9 to 6.1% that contained the proposed content of confining reinforcement within the critical region of columns. Outside the critical region, the confining steel is designed based on ultimate shear demand. The columns were tested under reversed cyclic inelastic displacements and compressive axial load, whose magnitude was held constant throughout the test. From the test results, it was observed that the ultimate curvature ductility factor obtained for these columns were about 10, which are considered to behave in a limited ductility manner. © 2010 John Wiley & Sons, Ltd.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www.interscience.wiley.com/jpages/1541-7794/en_HK
dc.relation.ispartofStructural Design of Tall and Special Buildingsen_HK
dc.rightsThe Structural Design of Tall and Special Buildings. Copyright © John Wiley & Sons Ltd.-
dc.titleLimited ductility design of reinforced concrete columns for tall buildings in low to moderate seismicity regionsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1541-7794&volume=20&issue=1&spage=102&epage=120&date=2011&atitle=Limited+ductility+design+of+reinforced+concrete+columns+for+tall+buildings+in+low+to+moderate+seismicity+regions-
dc.identifier.emailHo, JCM:johnny.ho@hku.hken_HK
dc.identifier.authorityHo, JCM=rp00070en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/tal.610en_HK
dc.identifier.scopuseid_2-s2.0-79551580165en_HK
dc.identifier.hkuros176104en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79551580165&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume20en_HK
dc.identifier.issue1en_HK
dc.identifier.spage102en_HK
dc.identifier.epage120en_HK
dc.identifier.eissn1541-7808-
dc.identifier.isiWOS:000287766200006-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHo, JCM=24831880500en_HK

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