I.S. EN 523-2003 标准详情
- 标准号:I.S. EN 523-2003
- 中文标题:
- 英文标题:Steel Strip Sheaths for Prestressing Tendons - Terminology, Requirements, Quality Control
- 标准类别:爱尔兰国家标准I.S.
- 发布日期:
Pertains 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 con
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