Method for constructing foundation pile

Method for constructing foundation pile

  • CN 102,409,670 A
  • Filed: 08/08/2011
  • Published: 04/11/2012
  • Est. Priority Date: 08/08/2011
  • Status: Active Grant
First Claim
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1. a foundation pile construction method is characterized in that having following steps, 1, to selected stake position boring to obtain a putting hole, put the diameter of the diameter in a hole greater than preformed pile;

  • 2, reaming is carried out in the bottom of putting a hole and obtain expanding the bottom branch;

    3, inject cement paste to expanding the bottom in dividing, the mud bottom said cement paste will expand in the branch cements out with ratio one of in the volume ratio 50~

    100%;

    4, inject said cement paste to putting remove expanding in the hole exceptionally, bottom of a hole, the displacement ratio is one of in the volume ratio 20~

    60%;

    5, said preformed pile is put into a hole;

    6, preformed pile leaves standstill, natural curing.

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