Steel strip sheaths for prestressing tendons. Terminology, requirements, quality control
Steel strip sheaths for prestressing tendons. Terminology, requirements, quality control
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What is BS EN 523 — S teel strip sheaths about?
BS EN 523 is an international standard that covers the terminology and other aspects of steel strip sheaths for prestressing tendons. BS EN 523 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. BS EN 523 covers technical specifications such as related terms, classification, requirements, technical documents, delivery tickets, marking and labelling criteria, measures for storage, and procedures to evaluate conformity for checking the quality of ste...
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