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。
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。
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