GB/T 34551-2017Test method for alkali resistance of glass fiber reinforced polymer bars in high temperature condition (English PDF)
玻璃纤维增强复合材料筋高温耐碱性试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2017
Implementation date
September 1, 2018
Scope
GB/T 34551-2017 is the English-translated version of 玻璃纤维增强复合材料筋高温耐碱性试验方法.
GB/T 34551-2017 is the Chinese standard "Test method for alkali resistance of glass fiber reinforced polymer bars in high temperature condition".
Its scope clause reads: This standard specifies the glass fiber reinforced composite bar high temperature alkaline test terms and definitions, test principles, test specimens, test equipment, Test conditions, test procedures, calculations and test reports.
This standard applies to do not hold the state of soaking lye and hold alkaline liquid immersion high temperature alkali resistance test, the other high fiber reinforced tendons Temperature alkali test can also refer to use. Its clauses include terms and definitions; test principle; sample.
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Document preview — GB/T 34551-2017
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 Terms and definitions
- 4 test principle
- 5 sample
1 Scope
This standard specifies the glass fiber reinforced composite bar high temperature alkaline test terms and definitions, test principles, test specimens, test equipment,
Test conditions, test procedures, calculations and test reports.
This standard applies to do not hold the state of soaking lye and hold alkaline liquid immersion high temperature alkali resistance test, the other high fiber reinforced tendons
Temperature alkali test can also refer to use.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1446 fiber-reinforced plastics performance test methods General
Standard Test Method for Basic Mechanical Properties of GB/T 30022 Fiber Reinforced Composites
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Tensile retention rate
The ratio of the maximum tensile force of the sample after soaking in alkaline solution and before soaking is expressed as a percentage.
4 test principle
Glass fiber reinforced composite bar specimens in the state of not holding or holding load immersed in the alkaline solution under the specified conditions, after the provisions of
The appearance, quality and maximum tensile force of the test specimens were measured.
5 sample
5.1 Sample appearance
Surface smooth, uniform color, no bubbles and fiber bare.
5.2 Sample size
Sample size according to GB/T 30022 provides that the sample cutting site should be the same with the reinforcement of the matrix resin Edge, you can also use epoxy
Resin or paraffin edge, the arbitration test should be the same with the reinforcement of the matrix resin Edge.
5.3 Quantity
The number of samples should meet the requirements of soaking time, the number of valid samples in each group is not less than 5.
......
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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