(19)

(11)

EP 2 403 997 A1

(12)

(43) Date of publication: 11.01.2012 Bulletin 2012/02 (21) Application number: 10749396.7 (22) Date of filing: 05.03.2010

(51) International Patent Classification (IPC):  E02D 29/02(2006.01) (86) International application number: PCT/US2010/026373 (87) International publication number: WO 2010/102213 (10.09.2010 Gazette 2010/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 06.03.2009 US 157958 P (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 37073 Göttingen 37073 Göttingen (DE)