Water-permeable ground cover for a building site comprises a layer consisting of at least one sand sublayer next to the building ground and a sublayer of broken stone above it

摘要

The water-permeable ground cover (1) with a top structure (6) of compacted mineral materials and organic adhesives, for application to a building site, comprises a layer (2) consisting of at least one sand sublayer (4) next to the building ground (3), and a sublayer (5) of broken stone with a particle size of at least 5 mm.