GB/T 21825-2008Glass fibre geogrid (English PDF)
玻璃纤维土工格栅
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 12, 2008
Implementation date
November 1, 2008
Scope
GB/T 21825-2008 is the English-translated version of 玻璃纤维土工格栅.
GB/T 21825-2008 is the Chinese standard "Glass fibre geogrid". Its scope clause reads: This standard specifies the definition of fiberglass geogrid, code, requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard applies to glass fiber rovings as the main raw material, after weaving and dipping surface treatment is made, mainly for enhancing Lek Green road fiberglass geogrid.
Fiberglass geogrid can refer to the use of other purposes. Its clauses include terms and definitions.
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Document preview — GB/T 21825-2008
National Standard of the People's Republic of China
- ICS
- 59.100.10
- Classification
- Q 36
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
This standard specifies the definition of fiberglass geogrid, code, requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard applies to glass fiber rovings as the main raw material, after weaving and dipping surface treatment is made, mainly for enhancing Lek
Green road fiberglass geogrid. Fiberglass geogrid can refer to the use of other purposes.
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.
GB/T 191 Packaging - Pictorial signs
GB/T 1549 sodium calcium aluminosilicate glass boron chemical analysis
GB/T 7689.3 enhancements Part 3 Test method for woven fabrics. Determination of width and length
GB/T 18374 reinforcing material terms and definitions
3 Terms and Definitions
GB/T 18374 and establishing and following terms and definitions apply to this standard.
3.1
Pores per 25.4mm length within the warp or weft direction.
Note. The mesh mesh 1, corresponding to a nominal mesh center distance of 25.4mm.
3.2
Net from the two warp yarns (weft) between adjacent edges.
Code 4
Code include the following elements a) the type of glass used, E is E-glass;
b) shows a glass fiber geogrid letters, G;
c) use the English letters, such as "A" represents Asphalt Pavements.
d) mesh warp mesh, followed by "×" number;
e) zonal mesh mesh;
f) indicates the warp and weft grille nominal powerful figures in brackets in kN/m as a unit, the warp and weft strength values
With "×" number, then in parentheses "-" sign;
g) grid width in cm digital units;
h) the maker note or other relevant information.
Example.
Warp and weft mesh mesh are 1, warp and weft nominal strength values are 50kN/m, asphalt pavement width of 2m of glass fiber geogrid symbol.
EGA1 × 1 (50 × 50) -200
GB/T 33831-2017 | GB/T 9914.1-2013 | GB/T 9914.2-2013 | GB/T 47093-2026 | GB/T 47086-2026 | GB/T 20102-2026 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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