This standard covers the requirements and manufacture of circumferentially reinforced concrete pressure pipe, without steel cylinder and not circumferentially prestressed, with steel reinforcement (RCP) or a homogeneously distributed reinforcement composed of multiple layers of small diameter wires (DRP).
DS/EN 640:1995 history
1995DS/EN 640:1995 Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type), including joints and fittings