After pressure grouting on pile tip, elastic working range of piles will be extended and be in favour of pile to bear repeated loads and dynamic loads.
桩端压力灌浆后，桩的弹性工作范围延长，有利于桩承受重复荷载和动力荷载。
When the bearing stratum at the tip of bored pile is sandy soil stratum, the method of pile tip pressure grouting can effectively improve the bearing capacity of single piles.
泥浆护壁钻孔灌注桩当桩端持力层为砂土层等非岩石层时，通过桩底压密灌浆能有效地提高单桩承载力。
According to the condition in the construction, the technique of pressure grouting of pile tip was adopted and obtained well effect.
该工程基础原设计采用人工挖孔灌注桩，根据施工中出现的实际情况，又采用桩端压力注浆技术，取得了良好的效果。
According to the condition in the construction, the technique of pressure grouting of pile tip was adopted and obtained well effect.
该工程基础原设计采用人工挖孔灌注桩，根据施工中出现的实际情况，又采用桩端压力注浆技术，取得了良好的效果。
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