Field vibratory measurement analysis is necessary to the investigation into the vibration of roadside structures caused by the impact compaction of existing cement concrete pavement.
为探讨旧水泥砼路面冲击压实施工对周围构筑物产生的振动影响，需进行现场振动测试分析。
HOW it works The machine does not employ vibration, but achieves compaction by a ramming mechanism which forces the concrete into the specially designed mould attached to the Primary Unit.
该机不是采用震捣，而是通过撞锤系统来获得压缩效果。该系统将混凝土锤捣挤压进与主机相连的模具里。
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