Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30584
DC FieldValueLanguage
dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorChen, GM-
dc.creatorTeng, JG-
dc.creatorChen, JF-
dc.creatorRosenboom, OA-
dc.date.accessioned2014-12-30T08:36:52Z-
dc.date.available2014-12-30T08:36:52Z-
dc.identifier.issn1090-0268-
dc.identifier.urihttp://hdl.handle.net/10397/30584-
dc.language.isoenen_US
dc.publisherAmerican Society of Civil Engineersen_US
dc.subjectBondingen_US
dc.subjectConcrete beamsen_US
dc.subjectFiber reinforced polymersen_US
dc.subjectFinite element methoden_US
dc.subjectShear failureen_US
dc.subjectShear resistanceen_US
dc.subjectStrain distributionen_US
dc.subjectStress distributionen_US
dc.titleInteraction between steel stirrups and shear-strengthening FRP strips in RC beamsen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage498-
dc.identifier.epage509-
dc.identifier.volume14-
dc.identifier.issue5-
dc.identifier.doi10.1061/(ASCE)CC.1943-5614.0000120-
dcterms.abstractRC beams shear strengthened with either fiber-reinforced polymer (FRP) U-jackets/U-strips or side strips commonly fail due to debonding of the bonded FRP shear reinforcement. As such debonding occurs in a brittle manner at relatively small shear crack widths, some of the internal steel stirrups may not have reached yielding. Consequently, the yield strength of internal steel stirrups in such a strengthened RC beam cannot be fully used. In this paper, a computational model for shear interaction between FRP strips and steel stirrups is first presented, in which a general parabolic crack shape function is employed to represent the widening process of a single major shear crack in an RC beam. In addition, appropriate bond-slip relationships are adopted to accurately depict the bond behavior of FRP strips and steel stirrups. Numerical results obtained using this computational model show that a substantial adverse effect of shear interaction generally exists between steel stirrups and FRP strips for RC beams shear strengthened with FRP side strips. For RC beams shear strengthened with FRP U-strips, shear interaction can still have a significant adverse effect when FRP strips with a high axial stiffness are used. Therefore, for accurate evaluation of the shear resistance of RC beams shear strengthened with FRP strips, this adverse effect of shear interaction should be properly considered in design.-
dcterms.bibliographicCitationJournal of composites for construction, 2010, v. 14, no. 5, p. 498-509-
dcterms.isPartOfJournal of composites for construction-
dcterms.issued2010-
dc.identifier.scopus2-s2.0-77956832358-
dc.identifier.eissn1943-5614-
dc.identifier.rosgroupidr51522-
dc.description.ros2010-2011 > Academic research: refereed > Publication in refereed journal-
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