轴向拉压型金属阻尼器抗震性能测试及其应用研究
发布时间：2019-05-20 04:04
【摘要】：以一种轴向拉压型金属阻尼器为研究对象,介绍了轴向拉压型金属阻尼器的结构构造及其理论计算方法;进行了抗震性能测试,得到了轴向拉压型金属阻尼器的屈服位移、屈服荷载及屈服刚度,并分析了其耗能能力;研究了轴向拉压型金属阻尼器在体外预应力自复位结构中的应用。研究结果表明:轴向拉压型金属阻尼器利用腹板轴向拉压耗能,避免了连接构件的局部损坏;安装方式与黏滞阻尼器相同,安装方便、易于更换;轴向拉压型金属阻尼器具有提供结构附加刚度,控制结构位移,耗能显著的优点。
[Abstract]:Taking an axial tension metal damper as the research object, the structural structure and theoretical calculation method of the axial tension metal damper are introduced. The yield displacement, yield load and yield stiffness of the axial tension metal dampers are obtained by testing the seismic performance, and the energy dissipation capacity of the dampers is analyzed. The application of axial tension metal dampers in external prestressed self-reset structures is studied. The results show that the axial tension and compression metal dampers use the axial tension and compression energy consumption of the web to avoid the local damage of the connecting members, and the installation mode is the same as that of the viscous dampers, which is convenient to install and easy to replace. Axial tension and compression metal dampers have the advantages of providing structural additional stiffness, controlling structural displacement and energy consumption.
【作者单位】： 同济大学结构工程与防灾研究所;东南大学城市工程科学技术研究院;
【基金】：国家自然科学基金项目(51678453;51261120377)
【分类号】：TU352.11
[Abstract]:Taking an axial tension metal damper as the research object, the structural structure and theoretical calculation method of the axial tension metal damper are introduced. The yield displacement, yield load and yield stiffness of the axial tension metal dampers are obtained by testing the seismic performance, and the energy dissipation capacity of the dampers is analyzed. The application of axial tension metal dampers in external prestressed self-reset structures is studied. The results show that the axial tension and compression metal dampers use the axial tension and compression energy consumption of the web to avoid the local damage of the connecting members, and the installation mode is the same as that of the viscous dampers, which is convenient to install and easy to replace. Axial tension and compression metal dampers have the advantages of providing structural additional stiffness, controlling structural displacement and energy consumption.
【作者单位】： 同济大学结构工程与防灾研究所;东南大学城市工程科学技术研究院;
【基金】：国家自然科学基金项目(51678453;51261120377)
【分类号】：TU352.11
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