(19)

(11)

EP 2 760 806 A1

(12)

(43) Date of publication: 06.08.2014 Bulletin 2014/32 (21) Application number: 11776263.3 (22) Date of filing: 26.09.2011

(51) International Patent Classification (IPC):  C04B 28/26(2006.01) (86) International application number: PCT/NL2011/050647 (87) International publication number: WO 2013/048236 (04.04.2013 Gazette 2013/14)

(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 (71) Applicant: Stichting Deltares 2629 HD Delft (NL)	(72) Inventors: BOOSTER, Jacco Leendert NL-2629 HD Delft (NL) DEN HAMER, Davina Anne NL-2629 HD Delft (NL) VAN DE VELDE, Johannes Leendert NL-2629 HD Delft (NL) (74) Representative: Jansen, Cornelis Marinus  V.O. Johan de Wittlaan 7 2517 JR Den Haag 2517 JR Den Haag (NL)