Steel strip sheaths for prestressing tendons. Terminology, requirements, quality control Ingestion-build-48974 200 mm× 90 mm

200 mm× 90 mm

Treatment of imperfections and defects disclosed by visual examination

3:1992 and BS 6100-2

BS ISO/IEC 19796-3:2009 Information technology

Steel strip sheaths for prestressing tendons. Terminology, requirements, quality control Ingestion-build-48974 200 mm× 90 mm1 Scope This European Standard is applicable to uncoated cylindrical steel sheaths with a corrugated profile and with a nominal internal diameter of up to 130 mm and their connectors (couplers) which are assembled to form ducts for prestressing tendons in post tensioned prestressed concrete structures. It is only applicable to sheaths and connectors made of interlocked or welded steel strip1). It does not cover plastic sheaths2). The seals required