湿作业成孔灌注桩的施工中,有时会发生导管堵塞的问题。如将导管拔出后,经过疏通导管,重新浇筑混凝土,新混凝土与原混凝土之间会产生一层泥浆隔离层,造成断桩。在发生导管堵塞后,此时如把这个桩视为断桩,不采取其他补救措施,会给施工企业带来较大的经济损失,有时因桩距 Wet operation into the hole filling pile construction, sometimes the problem of catheter blockage. If the catheter is pulled out, clear the catheter, re-pour concrete, new concrete and the original concrete will have a layer of mud isolation layer, resulting in broken pile. In the event of catheter blockage, at this time if the pile as a broken pile, do not take other remedial measures, will bring greater economic losses to the construction enterprises, and sometimes due to pile spacing