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SEISMIC BEHAVIOR OF STEEL MOMENT RESISTING FRAMES ASSOCIATED WITH RC SHEAR WALLS | ||
| Iranian Journal of Science and Technology Transactions of Civil Engineering | ||
| شناسنامه علمی شماره، دوره 37، C+، اسفند 2013، صفحه 395-407 اصل مقاله (379.22 K) | ||
| شناسه دیجیتال (DOI): 10.22099/ijstc.2013.1795 | ||
| چکیده | ||
| In this paper, the influence of increasing the height of building on the seismic behavior of dual structural systems in the form of steel moment resisting frames accompanied with reinforced concrete shear walls has been investigated. Common structures experience inelastic stage of behavior encountering the seismic loads and the applied energy will be dissipated. The nonlinear responses of the structural models have been evaluated in this research. 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 studied. To achieve these objectives, the buildings have 10 and 20 stories and contain such structural systems used to perform the pushover analyses having different load patterns. Regarding the results, it seems that the response modification factor (R) for the mentioned structural system is assumed to be higher than the value which is used in Iranian Code of Practice for Seismic Resistant Design of Buildings [Standard No.2800]. Analytical results showed that the ductility factor and the response modification factor increased as the structure height increased. In contrast, the over-strength factors increased by decreasing the height of the structure. | ||
| کلیدواژهها | ||
| Dual system؛ steel moment resisting frame؛ shear wall؛ steel bracing؛ Reinforced concrete؛ seismic behavior | ||
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