Prestressed caisson bearing pier and structural foundation device.

摘要: A bearing pier foundation for compacting soil that includes a plug extending along the longitudinal axis having first section and second section. The adapted to receive pushing force into rest on be compacted. plane, which is perpendicular axis, passes through part part. has an inner edge outer intersecting plane. of attaches positioned further away from than attached edge. extends downwardly plane tapering segment upper end lower end. closer larger geometric diameter continuously tapers can used in connection with sheath conforms surface foundation. Further, combination hydraulic setting tool. Also, disclosed method installing compress consolidate thereunder.