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鉴于目前实桥上高阻尼橡胶圈是利用的高阻尼橡胶的挤压性能,而不是耗能更好的剪切性能,材料利用率低,本文通过高阻尼橡胶减振器试件剪切性能试验,获得了频率、应变幅值、厚度等各种参数对高阻尼橡胶减振器试件的影响规律,并利用高阻尼橡胶剪切耗能优于挤压耗能的特性,提出了一种简便可行的外置式拉索减振器的设计方法;最后讨论了减振器刚度、安装位置、橡胶材料、拉索长度等参数对减振效果的影响。
In view of the fact that the high damping rubber ring on the actual bridge is the use of high damping rubber extrusion performance, rather than energy consumption better shear performance, low material utilization, this paper through the high damping rubber shock absorber specimen shear performance test , The influences of various parameters such as frequency, strain amplitude and thickness on the specimens of high damping rubber shock absorber are obtained. By using the characteristics that shear damping energy of high damping rubber is better than that of compression energy dissipation, a simple Finally, the influence of vibration damper stiffness, installation position, rubber material and cable length on the vibration damping effect is discussed.