1 Ocak 2015 Dergi makalesi Açık Erişim

Tuna, Mehmet; Topkaya, Cem

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    <subfield code="a">Panel zone deformation demands in steel moment resisting frames</subfield>
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    <subfield code="a">Energy is dissipated by yielding at beam ends in steel moment resisting frames subjected to earthquakes. In addition, the column panel zone can be proportioned to participate in energy dissipation. AISC360, Eurocode 3, and FEMA-355D specifications have different philosophies for the design of panel zones which lead to different amounts of deformation demands. This paper presents a numerical study undertaken to quantify the deformation demands in panel zones proportioned according to different specifications. Pursuant to this goal, the panel zone design requirements of three specifications were compared first to identify differences and similarities. A parametric study was conducted by considering the beam depth, axial load level on columns, thickness of panel zone, and seismic hazard as the prime variables. Archetypes were analyzed by employing three-dimensional explicit nonlinear finite element time history analyses. The analysis results revealed that designs according to AISC360 and Eurocode 3 resulted in significant amounts of yielding of the panel zone while the designs according to FEMA 355D resulted in minimal amount of yielding. The panel zone deformation demands were quantified and an equation used to estimate the deformation levels was developed herein. (C) 2015 Elsevier Ltd. All rights reserved.</subfield>
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    <subfield code="u">Middle E Tech Univ, Dept Civil Engn, TR-06531 Ankara, Turkey</subfield>
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    <subfield code="u">Middle E Tech Univ, Dept Civil Engn, TR-06531 Ankara, Turkey</subfield>
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