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。
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HOW it works The machine does not employ vibration, but achieves compactionby a ramming mechanism which forces the concrete into the specially designed mould attached to the Primary Unit.