Substructure construction for an artificial grass field and artificial grass field having such a substructure construction

摘要

Substructure construction for an artificial grass field consisting of a sand bed with provided thereon a layer which contributes towards the damping, said layer besides lava grains containing rubber particles in which the layer contributing towards the damping is built up of 85 - 92 per cent by weight of lava grains and 8 - 15 per cent by weight of rubber grains, said lava grains and said rubber grains having a comparable size and shape.