Displacement pile and pile driver adapter

Abstract

A bi-directional swing pile adapter includes a first ring; a first support arm; a second support arm; a first swivel connector to operatively connect the first ring to the first support arm in a swivel manner; a second swivel connector to operatively connect the first ring to the second support arm in a swivel manner; a pile coupling member to enable coupling to a pile; a third swivel connector to operatively connect the first ring to the pile coupling member in a swivel manner; and a fourth swivel connector to operatively connect the first ring to the pile coupling member in a swivel manner.

What is claimed is: 
     
         1 . A micropile comprising:
 a casing;   a shaft, located within said casing; and   a displacement head, connected to said shaft, to create an annulus in a medium;   said casing having a casing interface for interfacing with a displacement head interface of said displacement head;   said casing interface configured to engaged said displacement head interface when said casing is rotated in a first direction;   said casing interface configured to disengaged from said displacement head interface when said casing is rotated in a second direction.   
     
     
         2 . The micropile as claimed in  claim 1 , wherein said displacement head includes:
 a helical blade having a leading edge and a trailing edge and configured to move said displacement head into the medium; and   a lateral compaction member to create the annulus, within the medium, having a diameter equal to or larger than a diameter of said casing.   
     
     
         3 . The micropile as claimed in  claim 1 , wherein said casing includes a helical blade, said helical blade configured to drive said casing out of a medium when said casing is rotated in said second direction. 
     
     
         4 . The micropile as claimed in  claim 3 , wherein said displacement head includes:
 a drive helical blade having a leading edge and a trailing edge and configured to move said displacement head into the medium when said displacement head is rotated in said direction; and   a lateral compaction member to create the annulus, within the medium, having a diameter equal to or larger than a diameter of said casing.   
     
     
         5 . The micropile as claimed in  claim 1 , wherein said casing includes a helical blade, said helical blade configured to create a deformation in a wall of the annulus. 
     
     
         6 . The micropile as claimed in  claim 5 , wherein said displacement head includes:
 a drive helical blade having a leading edge and a trailing edge and configured to move said displacement head into the medium when said displacement head is rotated in said direction; and   a lateral compaction member to create the annulus, within the medium, having a diameter equal to or larger than a diameter of said casing.   
     
     
         7 . The micropile as claimed in  claim 3 , wherein said casing includes a helical blade, said helical blade configured to create a deformation in a wall of the annulus. 
     
     
         8 . The micropile as claimed in claim  655 , wherein said displacement head includes:
 a drive helical blade having a leading edge and a trailing edge and configured to move said displacement head into the medium when said displacement head is rotated in said direction; and   a lateral compaction member to create the annulus, within the medium, having a diameter equal to or larger than a diameter of said casing.   
     
     
         9 . The micropile as claimed in  claim 1 , wherein said displacement head includes a deformation structure to form a deformation in a wall of the annulus created by said displacement head. 
     
     
         10 . The micropile as claimed in  claim 2 , wherein said displacement head includes a deformation structure to form a deformation in a wall of the annulus created by said displacement head.