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.
本文通过实例分析了在深基坑工程中，由于基坑回弹导致钻孔灌注桩断桩的原因，并提出了预防措施。
In this paper, the causes of rebound foundation pit result in the crack in the foundation pile were analyzed through the engineering case, and the preventive measures were proposed.
根据预压桩托换法的工艺特点，通过桩—土相互作用的工作原理分析，得出预压桩托换中桩体回弹的工作机理。
According to the technical characteristics of preloading piles, by analyzing the mechanism of interaction of piles and soil, the mechanism of rebound of piles in the course of underpinning was gained.
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