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Article: Interactive mechanical model for shear strength of deep beams

TitleInteractive mechanical model for shear strength of deep beams
Authors
KeywordsBeams
Building Codes
Concrete, Reinforced
Shear Strength
Ultimate Strength
Webs
Issue Date2004
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/st.html
Citation
Journal Of Structural Engineering, 2004, v. 130 n. 10, p. 1534-1544 How to Cite?
AbstractThe current American Concrete Institute code states that the nominal shear strength V n of a reinforced concrete deep beam consists of the concrete contribution V c and shear reinforcement contribution V s, i.e., V n=V c+V s. In this paper, however, a very different yet original approach is presented. The method is based on strut-and-tie approach, with the effect of transverse tensile stresses on concrete compressive strength of the diagonal strut properly accounted for. Two common failure modes, namely, diagonal splitting and concrete crushing, are examined in the paper. Premature failures such as shear tension failure (due to insufficient anchorage of main longitudinal reinforcement) and bearing failures are not considered. The resistance to diagonal splitting is mainly provided by the main and shear reinforcement. Additional resistance from concrete tensile strength is included in the analysis. The resistance to crushing of concrete is contributed by the concrete compressive strength. Ultimate shear strengths of deep beams are governed by both the transverse tensile stresses perpendicular to the diagonal strut, and the compressive stresses in the diagonal strut, resulting in an interaction between the two failure modes. Predictions by the proposed modal are compared with experimental results and other established calculation methods. Generally, the predictions are not only accurate and consistent in each case study, but also conservative.
Persistent Identifierhttp://hdl.handle.net/10722/185369
ISSN
2015 Impact Factor: 1.7
2015 SCImago Journal Rankings: 1.431
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTang, CYen_US
dc.contributor.authorTan, KHen_US
dc.date.accessioned2013-07-30T07:31:59Z-
dc.date.available2013-07-30T07:31:59Z-
dc.date.issued2004en_US
dc.identifier.citationJournal Of Structural Engineering, 2004, v. 130 n. 10, p. 1534-1544en_US
dc.identifier.issn0733-9445en_US
dc.identifier.urihttp://hdl.handle.net/10722/185369-
dc.description.abstractThe current American Concrete Institute code states that the nominal shear strength V n of a reinforced concrete deep beam consists of the concrete contribution V c and shear reinforcement contribution V s, i.e., V n=V c+V s. In this paper, however, a very different yet original approach is presented. The method is based on strut-and-tie approach, with the effect of transverse tensile stresses on concrete compressive strength of the diagonal strut properly accounted for. Two common failure modes, namely, diagonal splitting and concrete crushing, are examined in the paper. Premature failures such as shear tension failure (due to insufficient anchorage of main longitudinal reinforcement) and bearing failures are not considered. The resistance to diagonal splitting is mainly provided by the main and shear reinforcement. Additional resistance from concrete tensile strength is included in the analysis. The resistance to crushing of concrete is contributed by the concrete compressive strength. Ultimate shear strengths of deep beams are governed by both the transverse tensile stresses perpendicular to the diagonal strut, and the compressive stresses in the diagonal strut, resulting in an interaction between the two failure modes. Predictions by the proposed modal are compared with experimental results and other established calculation methods. Generally, the predictions are not only accurate and consistent in each case study, but also conservative.en_US
dc.languageengen_US
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/st.htmlen_US
dc.relation.ispartofJournal of Structural Engineeringen_US
dc.subjectBeamsen_US
dc.subjectBuilding Codesen_US
dc.subjectConcrete, Reinforceden_US
dc.subjectShear Strengthen_US
dc.subjectUltimate Strengthen_US
dc.subjectWebsen_US
dc.titleInteractive mechanical model for shear strength of deep beamsen_US
dc.typeArticleen_US
dc.identifier.emailTang, CY: tangc@hku.hken_US
dc.identifier.authorityTang, CY=rp01765en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1061/(ASCE)0733-9445(2004)130:10(1534)en_US
dc.identifier.scopuseid_2-s2.0-13844275573en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-13844275573&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume130en_US
dc.identifier.issue10en_US
dc.identifier.spage1534en_US
dc.identifier.epage1544en_US
dc.identifier.isiWOS:000224676000012-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTang, CY=35489259800en_US
dc.identifier.scopusauthoridTan, KH=8597408900en_US

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