GB/T 21490-2008Carbon fiber sheet for strengthening and restoring structures (English PDF)
结构加固修复用碳纤维片材
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 10, 2008
Implementation date
September 1, 2008
Scope
GB/T 21490-2008 is the English-translated version of 结构加固修复用碳纤维片材.
GB/T 21490-2008 is the Chinese standard "Carbon fiber sheet for strengthening and restoring structures".
Its scope clause reads: This standard specifies the classification repairing structural reinforcement carbon fiber sheets, specifications and labeling requirements, test methods, inspection rules, marks, packages Loading, transportation and storage.
This standard applies to repair structural reinforcement with carbon fiber sheet, but also for transportation, water, nuclear power and energy infrastructure Structural reinforcement and restoration with carbon fiber sheet. Its clauses include classification, size and marking.
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Document preview — GB/T 21490-2008
National Standard of the People's Republic of China
- ICS
- 83.120
- Classification
- Q 23
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 classification, size and marking
- 3.1 Classification
- 3.2 Specifications
- 3.3 mark
1 Scope
This standard specifies the classification repairing structural reinforcement carbon fiber sheets, specifications and labeling requirements, test methods, inspection rules, marks, packages
Loading, transportation and storage.
This standard applies to repair structural reinforcement with carbon fiber sheet, but also for transportation, water, nuclear power and energy infrastructure
Structural reinforcement and restoration with carbon fiber sheet.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Plastic tensile properties GB/T 3354 oriented fiber reinforced
3 classification, size and marking
3.1 Classification
Structural reinforcement and restoration of carbon fiber sheet in accordance with carbon fiber sheet into morphology and carbon fiber composite material plate (hereinafter referred to as carbon fiber).
3.2 Specifications
3.2.1
Carbon Fiber Sheet into mass per unit area of 200g/m2,300g/m2,450g/m2 and other specifications, divided by the width of 300mm,
400mm, 500mm and other specifications, according to the mechanical properties are divided into grade I, grade II and III grade.
3.2.2
Carbon fiber divided by the width of 20mm, 50mm, 80mm, 100mm, 120mm and 150mm, and other specifications, according to the thickness divided
1.0mm, 1.2mm, 1.4mm, 1.5mm and 2.0mm, and other specifications.
3.3 mark
3.3.1
Carbon Fiber Sheet by product code, the level of mechanical properties, mass per unit area, width and number of this standard are marked.
CFF-
Carbon Fiber Sheet code
Mechanical performance level (grade I, II grade, grade III)
Mass per unit area, g/m 2
---
Width, mm
Example. mass per unit area of 300g/m2, a width of 500mm, according to the standards of grade I labeled with carbon fiber sheet.
CFF-I-300-500GB/T 21490-2008.
3.3.2
carbon fiber by product code, width, thickness and number of this standard are marked.
CFP-
Carbon fiber code
Width, mm
---
Thickness, mm […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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