桩的动力特性用刚度、阻尼和位移的频率响应曲线来表达。
The dynamic behaviour of the pile is presented as frequency response curves for displacement, stiffness, dashpot constant and damping ratio.
在该公式中，桩端土的静阻力可以直接从桩顶的加速度信号中获得的桩顶回弹和冲击力持续时间计算得到，并且计算结果和土阻尼无关。
In this method, the static resistance at pile toe can be calculated directly with the rebound at pile top and impulse duration from the acceleration signal at pile top.
数值计算结果表明，磁流变阻尼器可以有效地控制隔震独桩平台在地震作用下的位移反应。
The calculation results indicate that the semi-active control by using the MR damper can effectively control the seismic earthquake of the earthquake isolation single pile platform.
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