Permeable concrete
(10) WO 2012/089944 A1
(22) 31.08.2011
(43) 05.07.2012
(71) LAFARGE [FR/FR]; 61 Rue des Belles Feuilles, F-75116 Paris (FR).
(57) The present invention relates to a permeable concrete comprising, in relative parts by weight: 100 of Portland cement; 0.1 to 500 of a sand having a single particle size with a D10 to a D90 of 0.063 to 5 mm, or a mixture of sands, the finest sand having a D10 to a D90 of 0.063 to 1 mm and the coarsest sand having a D10 to a D90 of 1 to 5 mm; 0 to 120 of a pozzolanic or nonpozzolanic particulate material or a mixture of pozzolanic or non-pozzolanic particulate materials...
