دوره 10، شماره 3 - ( 3-1399 )                   جلد 10 شماره 3 صفحات 431-411 | برگشت به فهرست نسخه ها

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Shariati A, Kamgar R, Rahgozar R. OPTIMUM LAYOUT OF NONLINEAR FLUID VISCOUS DAMPER FOR IMPROVEMENT THE RESPONSES OF TALL BUILDINGS. International Journal of Optimization in Civil Engineering 2020; 10 (3) :411-431
URL: http://ijoce.iust.ac.ir/article-1-444-fa.html
OPTIMUM LAYOUT OF NONLINEAR FLUID VISCOUS DAMPER FOR IMPROVEMENT THE RESPONSES OF TALL BUILDINGS. عنوان نشریه. 1399; 10 (3) :411-431

URL: http://ijoce.iust.ac.ir/article-1-444-fa.html


چکیده:   (12614 مشاهده)
The utilization of passive energy dissipation systems has been created a revolution in the structural engineering industry due to their advantages. Fluid Viscous Damper (FVD) is one of these control systems. It has been used in many different industries, such as the army, aerospace, bridge, and building structures. One of the essential questions about this system is how it can combine with the bracing system to enhance its abilities. In this paper, a comparison between the responses of a twelve-story steel building retrofitted by four layouts of bracings systems (i.e., chevron, diagonal, toggle, and X-brace) is studied. These bracing systems are equipped by FVD to find the optimum layout for these systems. Buildings are modeled nonlinearity and excited by an earthquake (Manjil earthquake). For this purpose, the Fast Nonlinear Analysis (FNA) is performed using the SAP2000 software. The results show that FVD alters some of the structural behaviors such as inter-story drift when combining with a chevron-bracing system. As a result, it can decrease the motion induced by the earthquake significantly. Besides, the results show that the chevron model has the best performance for the high-rise building in comparison with the other studied systems. As a result, for toggle, chevron, and diagonal bracing systems, the formation of link damper could absorb 66%, 72%, and 79% of input energy instead of modal damping energy, respectively.
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نوع مطالعه: پژوهشي | موضوع مقاله: Optimal design
دریافت: 1399/3/19 | پذیرش: 1399/3/19 | انتشار: 1399/3/19

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