TS EN 523
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 which are assembled to from ducttor prestressing tendon is past tensioned prestrussed concrete elements.
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About This Item
TS EN 523 is a standard for steel strip sheaths used with prestressing tendons in prestressed concrete, together with the connectors used with those sheaths. It addresses the terminology, requirements and quality control framework for uncoated cylindrical steel sheaths with a corrugated profile that form the duct for post-tensioning tendons.
How the sheath, tendon and connectors work together
In general technical terms, a sheath creates the duct that holds and guides the prestressing tendon inside the concrete element and later serves as the channel associated with post-tensioning operations. The fit between the sheath geometry and its connectors matters because it affects continuity of the duct, assembly practicability and the consistency of the prestressing system. The standard focuses on how these parts are identified and the general characteristics used to assess them, rather than on the full structural design of a prestressed concrete member.
Technical boundaries of the scope
- It covers uncoated cylindrical steel sheaths.
- The nominal internal diameter is up to 130 mm.
- Sheaths with a corrugated profile and their connectors are included.
- It applies to post-tensioned prestressed concrete elements.
- The document brings together terminology, requirements and quality control for this product family.
This listing is based on EN 523:1997 and is now withdrawn. It remains useful as a historical reference for the common terminology and component relationships used in prestressing sheath systems.
- Publication Date: 12.04.1999
- Standard Status: H (İptal Edilmiş Standard/Withdrawn standard)
- Publisher: TSE
- Document Language: tr, en, fr, de
- ICS Classification: 01.040.77 Metalurji (Terimler); 91.080.40 Beton Yapılar; 77.140.75 Çelik Borular
- Pages: 17
- Source Standard: EN 523:1997
- International Equivalents: EN 523:1997 EQV--; BS EN 528:1997 EQV--; NF P18-160 (NF EN 523 :1997) EQV--; DIN EN 523:1997 EQV--; EN 523:1997--
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