000013100 001__ 13100
000013100 005__ 20161114160327.0
000013100 04107 $$aeng
000013100 046__ $$k2009-06-22
000013100 100__ $$aZona, A.
000013100 24500 $$aModeling issues in nonlinear dynamic finite element analysis of steel-concrete composite frame structures subjected to seismic excitation

000013100 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013100 260__ $$bNational Technical University of Athens, 2009
000013100 506__ $$arestricted
000013100 520__ $$2eng$$aFrame finite element models permit obtaining, at moderate computational cost, significant information on the dynamic response behavior of steel–concrete composite (SCC) frame structures. As an extension of conventional monolithic beam models, composite beams with deformable shear connection were specifically introduced and adopted for the analysis of SCC beams, in which the flexible shear connection allows development of partial composite action influencing structural deformation and distribution of stresses. The use of beams with deformable shear connection in the analysis of frame structures raises very specific modeling issues, such as the characterization of the cyclic behavior of the deformable shear connection and the assembly of composite beam elements with conventional beam–column elements. In addition, the effects on the dynamic response of SCC frame structures of various factors, such as the shear connection boundary conditions and the mass distribution between the two components of the composite beam, are still not clear and deserve more investigation. The object of this paper is to provide deeper insight into the natural vibration properties and nonlinear seismic response behavior of SCC frame structures and how they are influenced by various modeling assumptions.

000013100 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013100 653__ $$aSteel-Concrete Composite Structures, Shear Connection, Partial Composite Action, Nonlinear Analysis, Seismic Effects, Finite Element Method. Abstract. Frame finite element models permit obtaining, at moderate computational cost, significant information on the dynamic response behavior of steel–concrete composite (SCC) frame structures. As an extension of conventional monolithic beam models, composite beams with deformable shear connection were specifically introduced and adopted for the analysis of SCC beams, in which the flexible shear connection allows development of partial composite action influencing structural deformation and distribution of stresses. The use of beams with deformable shear connection in the analysis of frame structures raises very specific modeling issues, such as the characterization of the cyclic behavior of the deformable shear connection and the assembly of composite beam elements with conventional beam–column elements. In addition, the effects on the dynamic response of SCC frame structures of various factors, such as the shear connection boundary conditions and the mass distribution between the two components of the composite beam, are still not clear and deserve more investigation. The object of this paper is to provide deeper insight into the natural vibration properties and nonlinear seismic response behavior of SCC frame structures and how they are influenced by various modeling assumptions.

000013100 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013100 720__ $$aZona, A.$$iBarbato, M.$$iConte J., P.
000013100 8560_ $$ffischerc@itam.cas.cz
000013100 8564_ $$s1014610$$uhttps://invenio.itam.cas.cz/record/13100/files/CD133.pdf$$yOriginal version of the author's contribution as presented on CD, section: Calibration of nonlinear methods of analysis for seismic assessment of structures (MS).
000013100 962__ $$r13074
000013100 980__ $$aPAPER