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معرفی ستون جدار نازک توخالی ساخته شده از ورقهای فولادی موج‌دار و بررسی رفتار لرزه‌ای آن | ||
| Journal of Algorithms and Computation | ||
| مقاله 7، دوره 42، شماره 4، آبان 2008، صفحه 509-521 اصل مقاله (972.33 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jac.2013.7769 | ||
| نویسندگان | ||
| Seyyed Rasoul Mirghaderi* ؛ Seyyed Mohammad Saeed Sobhan | ||
| چکیده | ||
| Thin-walled hollow steel columns, either circular or box shaped, are commonly used as piers in bridges. Recent earthquakes, e.g. Hyogoken-Nanbu or Kobe 1995, on the other hand have shown that these columns are vulnerable to damage when subjected to earthquake loading. This paper presents a new innovative thin-walled hollow steel column fabricated of corrugated plates, “thin-walled steel columns with corrugated section”, primarily to be used as piers in bridges and other structures as an alternative to circular or box thin-walled steel columns. Compared with the traditional steel columns, this new innovative thin-walled steel column might improve buckling behavior under combined axial and flexural loading, caused by earthquake excitations. For investigating the seismic performance of this new innovative thin-walled steel column and comparison of it with traditional thin-walled steel column, a series of parametric 3D-finite element analyses have been executed. The analyses results have shown that thin-walled steel columns with corrugated section can undergo large plastic deformations without significant, strength reduction, hence dissipate energy under cyclic loading. | ||
| کلیدواژه‌ها | ||
| Thin؛ Walled Steel Column؛ Corrugated Steel Plates؛ Buckling Strength؛ Nonlinear Finite Element Analysis | ||
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