GB/T 38143-2019Alkali-resistant glass fibres for cement concrete and mortar (English PDF)
水泥混凝土和砂浆用耐碱玻璃纤维
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 10, 2019
Implementation date
November 1, 2020
Scope
GB/T 38143-2019 is the English-translated version of 水泥混凝土和砂浆用耐碱玻璃纤维.
GB/T 38143-2019 is the Chinese standard "Alkali-resistant glass fibres for cement concrete and mortar".
Its scope clause reads: This standard specifies the terms and definitions, classification and marking, requirements, test methods and inspection of alkali-resistant glass fibers for cement concrete and mortar Rules, signs, delivery, packaging, transportation, storage.
This standard applies to the length of not more than 60mm that can be evenly dispersed in concrete and mortar to improve the performance of concrete and mortar. Alkali-resistant glass fiber. Its clauses include terms and definitions.
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Document preview — GB/T 38143-2019
National Standard of the People's Republic of China
- ICS
- 91.100.40
- Classification
- Q 12
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- Introduction IV
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Classification and Marking
- 5 Requirement
- 6 Test method
- 7 Inspection rules
- 8 Signs, delivery, packaging, transportation and storage
- Appendix B (Normative Appendix) Alkali-Strength Retention Test Method for Bunch-type Chopped Fiber
- Appendix C (Normative) Dispersed chopped fiber alkali resistance strength retention test method
- Appendix D (Normative Appendix) Bending Toughness Test Method
1 Scope
This standard specifies the terms and definitions, classification and marking, requirements, test methods and inspection of alkali-resistant glass fibers for cement concrete and mortar
Rules, signs, delivery, packaging, transportation, storage.
This standard applies to the length of not more than 60mm that can be evenly dispersed in concrete and mortar to improve the performance of concrete and mortar.
Alkali-resistant glass fiber.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB 175 General Portland Cement
GB/T 1549 chemical analysis method of fiber glass
GB/T 4472-2011 Determination of density and relative density of chemical products
GB/T 7690.5 Reinforced material yarn test method Part 5. Determination of glass fiber diameter
GB 8076 Concrete admixture
GB/T 9914.1 Test method for reinforced products Part 1. Determination of moisture content
GB/T 9914.2 Test methods for reinforced products. Part 2. Determination of the content of glass fiber combustibles
GB/T 14684 Construction sand
GB/T 14685 Construction pebbles and gravel
GB/T 16597 Metallurgical product analysis method X-ray fluorescence spectrometry general rules
GB/T 21120 Synthetic fiber for cement concrete and mortar
GB/T 50081 Standard for Test Methods of Mechanical Properties of Ordinary Concrete
JC/T 896 glass fiber chopped strand
JGJ55 Common Concrete Mix Design Code
JGJ63 Water Standard for Concrete
JGJ/T 70 Standard Test Method for Basic Performance of Building Mortar
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Alkali-resistantglassfibre
ARGF Raw materials containing silicon oxide, zirconium oxide, sodium oxide, calcium oxide and other components, and the mass percentage of zirconium oxide not less than 16.0% are melted at high temperature
Melted into glass liquid, drawn into a specific diameter and number by fiber forming device and coated with a special treatment agent (wetting agent), with alkali-resistant glass
Glass fiber.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
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