Hydraulic and earth engineering – Foundation – Columnar structure
Reexamination Certificate
2007-06-05
2007-06-05
Mayo, Tara L. (Department: 3671)
Hydraulic and earth engineering
Foundation
Columnar structure
C405S255000, C405S271000, C175S424000
Reexamination Certificate
active
10728405
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.
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European International Search Report Dated Aug. 24, 2005.
Geotechnical Reinforcement, Inc.
Mayo Tara L.
LandOfFree
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