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- Title
Comparison of nonlinear behavior of steel moment frames accompanied with RC shear walls or steel bracings.
- Authors
Esmaeili, Hamed; Kheyroddin, Ali; Kafi, Mohammad Ali; Nikbakht, Hamed
- Abstract
SUMMARY In this paper, the seismic behavior of dual structural systems in forms of steel moment-resisting frames accompanied with reinforced concrete shear walls and steel moment-resisting frames accompanied with concentrically braced frames, have been studied. The nonlinear behavior of the mentioned structural systems has been evaluated as, in earthquakes, structures usually enter into an inelastic behavior stage and, hence, the applied energy to the structures will be dissipated. As a result, some parameters such as ductility factor of structure ( μ), over-strength factor ( Rs) and response modification factor ( R) for the mentioned structures have been under assessment. To achieve these objectives, 30-story buildings containing such structural systems were used to perform the pushover analyses having different load patterns. Analytical results show that the steel moment-resisting frames accompanied with reinforced concrete shear walls system has higher ductility and response modification factor than the other one, and so, it is observed to achieve suitable seismic performance; using the first system can have more advantages than the second one. Copyright © 2011 John Wiley & Sons, Ltd.
- Subjects
STEEL framing; SHEAR walls; REINFORCED concrete; DUCTILITY; EARTHQUAKE engineering
- Publication
Structural Design of Tall & Special Buildings, 2013, Vol 22, Issue 14, p1062
- ISSN
1541-7794
- Publication type
Article
- DOI
10.1002/tal.751