المعايير

Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type) including joints and fittings

2004

رقم المستند: NL EN 640 : 2004
القطاع: Construction Materials and Building
TC: NL TC IRI
ICS: 91.140.60
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 homogeneouslydistributed reinforcement composed of multiple layers of small diameter wires (DRP). Pipes shall have diameter ranging DN/ID 300 to DN/ID 4000. Larger size could be manufactured based on the concepts of this standard.