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Article: Post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beams
Title | Post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beams |
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Authors | |
Keywords | Flexural ductility High-strength concrete Moment-curvature behavior Reinforced concrete beams |
Issue Date | 2001 |
Publisher | Techno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5 |
Citation | Structural Engineering And Mechanics, 2001, v. 12 n. 5, p. 459-474 How to Cite? |
Abstract | The complete moment-curvature curves of doubly reinforced concrete beams made of normal- or high-strength concrete have been evaluated using a newly developed analytical method that takes into account the stress-path dependence of the constitutive properties of the materials. From the moment-curvature curves and the strain distribution results obtained, the post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beam sections are studied. It is found that the major factors affecting the flexural ductility of reinforced concrete beam sections are the tension steel ratio, compression steel ratio and concrete grade. Generally, the flexural ductility decreases as the amount of tension reinforcement increases, but increases as the amount of compression reinforcement increases. However, the effect of the concrete grade on flexural ductility is fairly complicated, as will be explained in the paper. Quantitative analysis of such effects has been carded out and a formula for direct evaluation of the flexural ductility of doubly reinforced concrete sections developed. The formula should be useful for the ductility design of doubly reinforced normal- and high-strength concrete beams. |
Persistent Identifier | http://hdl.handle.net/10722/71322 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.382 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Pam, HJ | en_HK |
dc.contributor.author | Kwan, AKH | en_HK |
dc.contributor.author | Ho, JCM | en_HK |
dc.date.accessioned | 2010-09-06T06:30:57Z | - |
dc.date.available | 2010-09-06T06:30:57Z | - |
dc.date.issued | 2001 | en_HK |
dc.identifier.citation | Structural Engineering And Mechanics, 2001, v. 12 n. 5, p. 459-474 | en_HK |
dc.identifier.issn | 1225-4568 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/71322 | - |
dc.description.abstract | The complete moment-curvature curves of doubly reinforced concrete beams made of normal- or high-strength concrete have been evaluated using a newly developed analytical method that takes into account the stress-path dependence of the constitutive properties of the materials. From the moment-curvature curves and the strain distribution results obtained, the post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beam sections are studied. It is found that the major factors affecting the flexural ductility of reinforced concrete beam sections are the tension steel ratio, compression steel ratio and concrete grade. Generally, the flexural ductility decreases as the amount of tension reinforcement increases, but increases as the amount of compression reinforcement increases. However, the effect of the concrete grade on flexural ductility is fairly complicated, as will be explained in the paper. Quantitative analysis of such effects has been carded out and a formula for direct evaluation of the flexural ductility of doubly reinforced concrete sections developed. The formula should be useful for the ductility design of doubly reinforced normal- and high-strength concrete beams. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Techno-Press. The Journal's web site is located at http://technopress.kaist.ac.kr/?journal=sem&subpage=5 | en_HK |
dc.relation.ispartof | Structural Engineering and Mechanics | en_HK |
dc.subject | Flexural ductility | en_HK |
dc.subject | High-strength concrete | en_HK |
dc.subject | Moment-curvature behavior | en_HK |
dc.subject | Reinforced concrete beams | en_HK |
dc.title | Post-peak behavior and flexural ductility of doubly reinforced normal- and high-strength concrete beams | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1225-4568&volume=12&issue=5&spage=459&epage=474&date=2001&atitle=Post-peak+behavior+and+flexural+ductility+of+doubly+reinforced+normal-+and+high-strength+concrete+beams | en_HK |
dc.identifier.email | Pam, HJ:pamhoatjoen@hku.hk | en_HK |
dc.identifier.email | Kwan, AKH:khkwan@hkucc.hku.hk | en_HK |
dc.identifier.email | Ho, JCM:johnny.ho@hku.hk | en_HK |
dc.identifier.authority | Pam, HJ=rp00071 | en_HK |
dc.identifier.authority | Kwan, AKH=rp00127 | en_HK |
dc.identifier.authority | Ho, JCM=rp00070 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.scopus | eid_2-s2.0-0035499735 | en_HK |
dc.identifier.hkuros | 66954 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0035499735&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 12 | en_HK |
dc.identifier.issue | 5 | en_HK |
dc.identifier.spage | 459 | en_HK |
dc.identifier.epage | 474 | en_HK |
dc.identifier.isi | WOS:000171560300001 | - |
dc.publisher.place | Korea, Republic of | en_HK |
dc.identifier.scopusauthorid | Pam, HJ=6602976141 | en_HK |
dc.identifier.scopusauthorid | Kwan, AKH=7101738204 | en_HK |
dc.identifier.scopusauthorid | Ho, JCM=24831880500 | en_HK |
dc.identifier.issnl | 1225-4568 | - |