RO
SR EN 523:2004
Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control
This 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 elements. It applies only to sheaths and connectors made of interlocked or welded strip. The seals required between sheaths and couplers are not covered by this standard.
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Status :
Valid
Approval date : 11/16/2004
Publish date : 11/17/2004
Number of pages : 20
ICS : 01.040.77 Metallurgy. (Vocabularies),77.140.75 Steel pipes and tubes for specific use,91.080.40 Concrete structures
Technical Committee : 321 - Concrete and related products
- Replaces SR EN 523:2003
- Normative reference SR EN 524-6:2003
- Normative reference SR EN 10139:1999
- Normative reference SR EN 524-2:2003
- Normative reference SR EN 524-3:2003
- Normative reference SR ENV 13670-1:2002
- Normative reference SR EN 524-1:2003
- Normative reference SR EN 524-5:2003
- Normative reference SR EN 524-4:2003