NEN-EN 523
Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control
inactive
| Organization: | NEN |
| Publication Date: | 1 August 1991 |
| Status: | inactive |
| ICS Code (Steel pipes and tubes for specific use): | 77.140.75 |
| ICS Code (Concrete structures): | 91.080.40 |
scope:
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 tendonds in post-tensioned prestressed concrete elements. It is only applicable to sheaths and connectors made of interlocked or welded steel strip.
Document History
September 1, 2003
Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control
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...
August 1, 2002
Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control
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...
April 1, 1997
Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control
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...
NEN-EN 523
August 1, 1991
Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control
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...