Nonlinear finite element analysis of partially encased composite columns under non-uniform moments

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dc.contributor.authorBenedito A.V.
dc.contributor.authorMilani M.F.P.
dc.contributor.authorKrahl P.A.
dc.contributor.authorMarques B.B.
dc.contributor.authorDe Nardin S.
dc.contributor.authorMartins C.H.
dc.date.accessioned2025-04-01T06:38:28Z
dc.date.available2025-04-01T06:38:28Z
dc.date.issued2023
dc.description.abstract© 2023This paper presents a numerical investigation to evaluate the behavior of partially encased composite (PEC) columns with compact sections of three different heights submitted to non-uniform moment distribution. A 3D finite element model developed using the software ABAQUS was calibrated based on results from previous experimental research. The influence of concrete constitutive model parameters, column slenderness, load eccentricities, and moment distribution along height was investigated. The parametric study showed that constant moment distribution (case 1) is the most critical compared to linear moment variation (cases 2 and 3). This pattern is a direct consequence of the larger displacements at the mid-height section that causes higher second-order moments in the case 1 column. Long columns activated more confinement when a single curvature bending moment was applied at a minor axis. An increase in slenderness decreased the load capacity for non-uniform bending moments through the major axis.
dc.description.volume58
dc.identifier.doi10.1016/j.istruc.2023.105519
dc.identifier.issnNone
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/40460
dc.relation.ispartofStructures
dc.rightsAcesso Restrito
dc.subject.otherlanguageBiaxial bending
dc.subject.otherlanguageFinite element analysis
dc.subject.otherlanguageNon-uniform moment distribution
dc.subject.otherlanguageParametric study
dc.subject.otherlanguagePartially encased composite columns
dc.subject.otherlanguageSteel–concrete composite columns
dc.titleNonlinear finite element analysis of partially encased composite columns under non-uniform moments
dc.typeArtigo
local.scopus.citations3
local.scopus.eid2-s2.0-85177987419
local.scopus.subjectBiaxial bending
local.scopus.subjectComposite column
local.scopus.subjectFinite element analyse
local.scopus.subjectMoment distribution
local.scopus.subjectNon-uniform
local.scopus.subjectNon-uniform moment distribution
local.scopus.subjectParametric study
local.scopus.subjectPartially encased composite columns
local.scopus.subjectSteel-concrete composite
local.scopus.subjectSteel–concrete composite column
local.scopus.updated2025-04-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85177987419&origin=inward
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