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(11)

EP 3 102 753 A1

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(43) Date of publication: 14.12.2016 Bulletin 2016/50 (21) Application number: 14705422.5 (22) Date of filing: 05.02.2014

(51) International Patent Classification (IPC):  E04B 5/32(2006.01) E04B 5/40(2006.01) E04B 5/36(2006.01) (86) International application number: PCT/IB2014/058803 (87) International publication number: WO 2015/118379 (13.08.2015 Gazette 2015/32)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicants: Arcelormittal 1160 Luxembourg (LU) Soletanche Freyssinet 92500 Rueil-Malmaison (FR)	(72) Inventors: CAJOT, Louis-Guy B-6700 Arlon (BE) BRASSEUR, Marc B-6700 Arlon (BE) HILLY, Thibaut F-78960 Voisin le Bretonneux (FR) BRINGER, Jean-Luc F-13000 Marseille (FR) (74) Representative: Pronovem  Pronovem Luxembourg 12, avenue du Rock n' Roll BP 327 4004 Esch sur Alzette 4004 Esch sur Alzette (LU)