Investigation of Dynamic Behavior of Adjacent Tall Buildings Interconnected with Fluid Viscous Dampers Considering Soil-Structure Interaction
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Tarih
2020
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info:eu-repo/semantics/openAccess
Özet
Tall buildings traditionally built may be inadequate to absorb the energy released during major earthquakes. Therefore, connecting two neighboring tall buildings with fluid viscous damping (FVD) devices could be an effective method of absorbing energy. In this study, two adjacent tall buildings placed on different soil types are connected with viscous damping devices under ground motion. The 12-storey Building A and the 12, 15, 18, 21 and 24 storey Buildings B are modeled as two-span frame system and connected to each other with fluid viscous damping devices. Three different soil types, identical to soft, medium-stiff and stiff soil types, have been identified. After that; the values of displacement, acceleration, and shear force obtained from fixed support case (no soil) are compared with the values obtained from three different soil types. Six different connection models are defined by changing location and number of the fluid viscous dampers. Soil model is created by using viscous boundary conditions. In the modeling and analysis, ANSYS R19.2 program was used. According to the results, fluid viscous dampers are very effective on the dynamic response of the buildings. Soil types are also effective on the response. Soft and medium stiff soils are critical floor types. Therefore, the effect of soil-structure interaction should be considered in the design of structural control systems. Besides, it is concluded that the most suitable connection type among the determined connection models is the viscous damping device connected to the top floor of the short building. No need to connect damping devices to all floors significantly reduced the cost of the structural control system.
Açıklama
Anahtar Kelimeler
Kaynak
Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi
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Cilt
13
Sayı
3
