Concrete road surface construction, comprises very open cement concrete top layer and metal fibre reinforced concrete bottom layer

摘要

The road surface comprises a very open cement concrete top layer and a metal fibre reinforced road construction concrete material bottom layer. A road surface construction comprises a bottom layer comprising a suitable concrete material and a top layer. The bottom layer comprises a layer of road construction concrete containing metal fibres (preferably steel fibres) and the top layer comprises very open cement concrete.