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Patent Searching and Data


Title:
APPARATUS AND METHOD FOR BUILDING SUPPORT PIERS FROM ONE OR SUCCESSIVE LIFTS FORMED IN A SOIL MATRIX
Document Type and Number:
WIPO Patent Application WO2005042853
Kind Code:
A3
Abstract:
An apparatus and method for forming a support pier having a single or multiple compacted aggregate lifts in a soil matrix, wherein the apparatus includes a vertical, hollow tube with a bulbous leading end or head element that is forced into the soil matrix. The hollow tube includes a mechanism for releasing aggregate from the lower head element of the tube as the tube is lifted incrementally. The same hollow tube is then utilized to compact the released aggregate. The process may be repeated to form a series of compacted lifts comprising a pier.

Inventors:
FOX NATHANIEL S (US)
Application Number:
US2004033465W
Publication Date:
November 03, 2005
Filing Date:
October 12, 2004
Export Citation:
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Assignee:
GEOTECHNICAL REINFORCEMENT, INC.
FOX, NATHANIEL, S.
International Classes:
E02D3/08; E02D5/38; E02D5/44; E02D5/46; E02D; (IPC1-7): E02D5/44
Foreign References:
US3869869A1975-03-11
US5152639A1992-10-06
US3772892A1973-11-20
US1477567A1923-12-18
US3270511A1966-09-06
US6540443B22003-04-01
Other References:
See also references of EP 1687488A2
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