Role of longitudinal reinforcement on the behavior of under reinforced concrete beams subjected to fatigue loading

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dc.contributor.authorPrashanth, M.H.
dc.contributor.authorSingh, P.
dc.contributor.authorChandra Kishen, J.M.C.
dc.date.accessioned2026-02-05T09:29:48Z
dc.date.issued2019
dc.description.abstractIn this work, the role of steel reinforcement in under reinforced concrete beams when subjected to flexural fatigue loading is studied using the acoustic emission (AE) technique. Three-point bend notched beams of three different sizes and with varying reinforcement ratios are subjected to step-wise increasing variable amplitude fatigue loading. The crack mouth opening displacement (CMOD) and AE parameters are analyzed to study the evolution of damage, load carrying and failure mechanisms in under reinforced concrete beams. It is concluded that the presence of reinforcement substantially increases the fatigue life. Further, the CMOD could be used as a criterion for failure in reinforced concrete beams under fatigue loading. © 2019 Elsevier Ltd
dc.identifier.citationInternational Journal of Fatigue, 2019, 125, , pp. 271-290
dc.identifier.issn1421123
dc.identifier.urihttps://doi.org/10.1016/j.ijfatigue.2019.03.047
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/24454
dc.publisherElsevier Ltd
dc.subjectAcoustic emissions
dc.subjectConcrete beams and girders
dc.subjectFailure (mechanical)
dc.subjectFatigue of materials
dc.subjectReinforced concrete
dc.subjectAcoustic emission techniques
dc.subjectCrack mouth opening displacement
dc.subjectLongitudinal reinforcement
dc.subjectReinforced concrete beams
dc.subjectSteel reinforcements
dc.subjectStiffness degradation
dc.subjectVariable amplitude fatigue
dc.subjectYielding
dc.subjectAcoustic emission testing
dc.titleRole of longitudinal reinforcement on the behavior of under reinforced concrete beams subjected to fatigue loading

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