NF EN 523-2004 标准详情
- 标准号:NF EN 523-2004
- 中文标题:钢丝束用带钢制护套 术语、规定、质量检验
- 英文标题:Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control.
- 标准类别:法国国家标准
- 发布日期:2004-01-01
Applies 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 conc
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