發(fā)布時間：2019-05-20 04:04

【摘要】：以一種軸向拉壓型金屬阻尼器為研究對象,介紹了軸向拉壓型金屬阻尼器的結(jié)構(gòu)構(gòu)造及其理論計(jì)算方法;進(jìn)行了抗震性能測試,得到了軸向拉壓型金屬阻尼器的屈服位移、屈服荷載及屈服剛度,并分析了其耗能能力;研究了軸向拉壓型金屬阻尼器在體外預(yù)應(yīng)力自復(fù)位結(jié)構(gòu)中的應(yīng)用。研究結(jié)果表明:軸向拉壓型金屬阻尼器利用腹板軸向拉壓耗能,避免了連接構(gòu)件的局部損壞;安裝方式與黏滯阻尼器相同,安裝方便、易于更換;軸向拉壓型金屬阻尼器具有提供結(jié)構(gòu)附加剛度,控制結(jié)構(gòu)位移,耗能顯著的優(yōu)點(diǎn)。
[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.
【作者單位】： 同濟(jì)大學(xué)結(jié)構(gòu)工程與防災(zāi)研究所;東南大學(xué)城市工程科學(xué)技術(shù)研究院;
【基金】：國家自然科學(xué)基金項(xiàng)目(51678453;51261120377)
【分類號】：TU352.11

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