A Macro-Model for Nonlinear Dynamic Analysis of 3D RC Shear Walls and Comparison with the Finite Elements Method
Publish place: 10th International Congress on Civil Engineering
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE10_0024
تاریخ نمایه سازی: 19 تیر 1394
Abstract:
Due to architectural limitations, in many cases the RC shear walls have to be extended in plan in different directions at one location making them a 3D configuration. Modeling and analysis of such walls is very challenging and only a few studies are available on them. In this research a number of 3D shear walls are considered with different shapes and heights. They are modeled for nonlinear dynamic analysis in Abaqus software using an exact moment-shear interaction model. A suit of appropriately selected and scaled ground motions are used for analysis. The envelope of the nonlinear force-displacement responses is used to develop a macro model of the same walls consisting of an elastic wall throughout in series with a nonlinear moment-rotation spring at the base in Opensees. It is shown that the developed model can predict the maximum responses with a very good accuracy in a much less time.
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Authors
Morteza Heydari
M.Sc. Student, Department of Civil Engineering, Isfahan University of Technology, Esfahan ۸۴۱۵۶۸۳۱۱۱, Iran
Farhad Behnamfar
Department of Civil Engineering, Isfahan University of Technology, Esfahan ۸۴۱۵۶۸۳۱۱۱, Iran
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