振冲器是振冲法施工中的特制机具。它产生水平向振动力振挤填料及周围土体，而达到提高地基承载能力、减少沉降量、增加地基稳定性、提高抗地震液化能力。
国产振冲器 Chinese-made vibroflotation device
脉冲振幅分析器 kicksorter
脉冲振幅选择器 pulse-height selector ; pulse amplitude selector
同步脉冲振幅滤波器 synchropulse amplitude filter ; synchropulse amplitude filter,synchropulse amplitude filter
脉冲振幅鉴别器 pulse amplitude discriminator ; discriminator pulse-amplitude ; discriminator pulse-height ; pulse-height discriminator
隔振缓冲器 isolation-buffer
电子脉冲振幅分析器 electronic pulse-height analyzer
大隆水库大坝坝基为含卵砾中粗砂层，即使大功率振冲器也难以贯入。
The foundation of the dam for Dalong reservoir consists of the layer of medium-coarse sand with gravel, so it is difficult to be penetrated even by the high-power vibrator.
目前普遍使用的电动型振冲器难以解决这些问题，因此在一些大型工程的地基处理中已经应用进口高频液压振冲器。
It is difficult to deal with these problems only by depending on electric vibrator. So imported vibrator of high-frequency has been used in the foundation treatment of some large construction.
现场试验包括：①测定振冲器水平振动力作用下产生的地面加速度以及制桩时引起的地面加速度与距振点距离之间的关系；
The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;
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