(19)

(11)

EP 1 948 873 A2

(12)

(88) Date of publication A3: 02.05.2008 (43) Date of publication: 30.07.2008 Bulletin 2008/31 (21) Application number: 06839852.8 (22) Date of filing: 13.11.2006

(51) International Patent Classification (IPC):  E02D 5/20(2006.01) (86) International application number: PCT/US2006/060820 (87) International publication number: WO 2007/059454 (24.05.2007 Gazette 2007/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 14.11.2005 US 272652 14.11.2005 US 273117 14.11.2005 US 272640 (71) Applicant: Earth Reinforcement Technologies, LLC Woodstock, GA 30188 (US)	(72) Inventor: RAINEY, Thomas L. Marietta, GA 30064 (US) (74) Representative: Rehberg, Bernhard Frank  Rehberg Hüppe + Partner Nikolausberger Weg 62 D-37073 Göttingen D-37073 Göttingen (DE)