The application of active multiple tuned mass dampers (AMTMD) for suppressing translational and torsional responses is addressed for a simplified two-degree of freedom structure, able to represent the dynamic characteristics of general asymmetric structures subject to ground motions. By employing the developed optimum parameter and effectiveness criteria of the AMTMD, the influences of the normalized eccentricity ratio and the torsional-to-translational frequency ratio of asymmetric structures on the optimum parameters and effectiveness of the AMTMD are investigated in detail. For comparison purposes, the results of a single active tuned mass damper also are taken into consideration
注:阻尼器具体设置位置及规格见《K182+901.6拖乌河一号特大桥（右幅）阻尼器安装示意图》。阻尼器设置：伸缩缝每侧设置1、3、5号梁各自设置,全桥共48个。 1、本图尺寸均以厘米计。 2、本阻尼器设置在桥梁墩台伸缩缝处，具体设置在：桥墩盖梁与主梁间，桥墩两侧1、3、5号梁各设置1个阻尼器；在桥台帽梁与主梁间1、3、5号梁各设置1个阻尼器。 3、工地高强度螺栓连接摩擦面的摩擦系数≥0.55。 4、阻尼器安装应保证水平，最大倾斜角不得大于3度。 5、阻尼器锚块、螺栓孔及位置根据最终定货的产品核实确定……共计2张
