声测管的作用主要是在灌注桩浇筑砼施工时预留一个能够让超声波探头可以正常放到桩底的一个通道,并不作为结构受力计算的考虑 因此,为了形成这样一个通道,现在有一种新工艺可以不用声测管,即采取抽拨棒的方式,在桩基砼形成初凝时把抽拨棒给抽出来,这样就可以节省钢材的使用 但由于这个新工艺还处理试验推广阶段,还没有大批量使用 所以现在大多数灌注桩仍然设计为钢管.

 

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    The role of the measuring tube is mainly on the pile pouring concrete construction reserved a can make ultrasonic probe can be normal on a channel of the pile bottom and is not considered stress calculation of structure, therefore, in order to form such a channel, now there is a new technology of acoustic detecting tube, can need not take smoke dialed bar, concrete pile in the formation of initial setting with the pumping rods to draw out, so you can save the use of steel but as a result of this new process is still processing test promotion stage, no large quantities of used so now most still design for steel pipe piles.