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对 DZ50— 60和 DZ30— 4 0 Y型振拨机的施工测试表明 ,采用最大速度评价标准 ,桩位随已有建筑物不小于 5m时 ,施工所产生的振动对已有建筑物不会产生有害影响
The construction tests of the DZ50-60 and DZ30-40 Y-type vibrators have shown that with the maximum speed evaluation standard, the vibration generated by the construction will not produce any existing buildings when the existing piles are not less than 5m. Harmful effects