动力打桩过程中,由于土层的振源在桩尖处,且由浅到深,通过远场在被保护对象附近设置减振沟是一项有效的减振措施。
Moreover, the damping ditch near the object to be protected is more effective to reduce the magnitude of vibration on account of the epicentre being in the deep soil.
与传统打桩锤相比较具有噪声小、无污染、振动小、打击能量高等优点,符合环保要求,并具有良好的动力学特性。
Compared with normal hammers, it has a lot of advantages, such as lower noise, no exhaust gas, less vibration, high piling energy and better dynamics characteristics.
本文应用冲击机械系统动力学分析打桩过程中锤体与桩撞击时应力波的产生、传播以及该波对沉桩过程的影响。
Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile.
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