Permeable Concrete

Abstract

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 non-pozzolanic particulate material or a mixture of pozzolanic or non-pozzolanic particulate materials having a mean particle size of less than 40 µm; 0.1 to 10 of a superplasticizer; 1000 to 3000 of a gravel or a mixture of gravels having a mean particle size of 4 to 14 mm; and 10 to 55 of effective water.