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Required Rigidities of Rib-Plates for Steel Shear Walls and Wall-Type Dampers

机译:钢剪力墙和壁式阻尼器的肋板要求的刚度

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Structural deformation control under earthquakes has been conducted recently by connecting steel shear wails or steel wall-type dampers with steel frames. The steel shear walls or steel wall-type dampers provided with proper rib-plates exhibit high ultimate strength and plenty of plastic deformations following shear buckling of the walls. We analyze numerically elastic-plastic behaviors of the steel shear walls and steel wall-type dampers using the FEM program. In the analyses, 400Mpa-grade and 100Mpa-grade steels are adopted, and various divisions by the rib-plates for the walls are considered. From the analytical results, we propose a design formula for obtaining the required rigidity of the rib-plates to ensure that the steel shear walls and steel wall-type dampers would have enough elastic stiffness and ultimate strength according to their materials.
机译:最近通过将钢剪力墙或钢壁式减震器与钢框架连接来进行地震下的结构变形控制。具有适当肋板的钢制剪力墙或钢制壁式减震器具有很高的极限强度,并且在剪力屈曲后会产生大量塑性变形。我们使用FEM程序分析了钢剪力墙和钢壁式减振器的数值弹塑性行为。在分析中,采用了400Mpa级和100Mpa级的钢,并考虑了用肋板对壁进行的各种划分。根据分析结果,我们提出了一种设计公式,用于获得肋板所需的刚度,以确保钢剪力墙和钢壁型减震器根据其材料具有足够的弹性刚度和极限强度。

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