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GB/T 21492-2019Glass fiber reinforced plastics jacking pipes (English PDF)

玻璃纤维增强塑料顶管

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

August 30, 2019

Implementation date

July 1, 2020

Scope

GB/T 21492-2019 is the English-translated version of 玻璃纤维增强塑料顶管.

GB/T 21492-2019 is the Chinese standard "Glass fiber reinforced plastics jacking pipes".

Its scope clause reads: This standard specifies the terms and definitions, classification and marking of glass fiber reinforced plastic pipe jacking, raw materials, requirements, test methods, inspection rules Then, signs, packaging, transportation, storage, factory certificates and technical documents.

This standard applies to nominal diameters of 100mm~4000mm, pressure grades of 0.1MPa~3.2MPa, and ring stiffness grades.

Glass fiber reinforced plastic pipe jacking (hereinafter referred to as GRP pipe jacking) for.20000N/m2 and above, the maximum temperature of the medium is not exceeded Over 50 ° C. GRP pipe jacks whose nominal diameter and pressure rating are not within the scope of this standard can also be used.

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Document preview — GB/T 21492-2019

National Standard of the People's Republic of China

ICS: 83.120
Classification: Q 23
Replacing: GB/T 21492-2008

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Classification and Marking
5 raw materials
6 Requirements
7 Test method
8 Inspection rules
9 Marking, packaging, transportation, storage, factory certificate and technical documents
10 other
Appendix A (Normative) Performance Requirements for Resin Castings
Appendix B (Normative) Initial hoop tensile strength specimen
Appendix C (Normative Appendix) Limiting Top Force and Allowable Top Force Calculation Method
Appendix D (Normative) Long-term bending strain Sb test and determination method
Appendix E (informative) Connection Technical Note

1 Scope

This standard specifies the terms and definitions, classification and marking of glass fiber reinforced plastic pipe jacking, raw materials, requirements, test methods, inspection rules

Then, signs, packaging, transportation, storage, factory certificates and technical documents.

This standard applies to nominal diameters of 100mm~4000mm, pressure grades of 0.1MPa~3.2MPa, and ring stiffness grades.

Glass fiber reinforced plastic pipe jacking (hereinafter referred to as GRP pipe jacking) for.20000N/m2 and above, the maximum temperature of the medium is not exceeded

Over 50 ° C. GRP pipe jacks whose nominal diameter and pressure rating are not within the scope of this standard can also be used.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

Test method for tensile properties of GB/T 1447 fiber reinforced plastics

GB/T 1448 fiber reinforced plastics compression performance test method

GB/T 1458 filament wound reinforced plastic ring specimen tensile test method

Plastics -- Determination of deformation temperature of plastics - Part 2. Plastics, hard rubber and long fibre reinforced composites material

GB/T 2567 resin casting body performance test method

GB/T 2573-2008 Test method for aging properties of glass fiber reinforced plastics

GB/T 2576 fiber reinforced plastic resin insoluble content test method

GB/T 2577 glass fiber reinforced plastic resin content test method

GB/T 3854 reinforced plastic Barcol hardness test method

Test method for axial tensile properties of GB/T 5349 fiber reinforced thermosetting plastic tubes

GB/T 5350 fiber reinforced thermosetting plastic tube axial compression performance test method

GB/T 5351 fiber reinforced thermosetting plastic pipe short-time water pressure failure pressure test method

GB/T 5352 fiber reinforced thermosetting plastic tube parallel plate external load performance test method

GB/T 8237 liquid unsaturated polyester resin for fiber reinforced plastics

GB/T 17470 glass fiber chopped strand mat and continuous strand mat

GB/T 18369 glass fiber roving

GB/T 18370 glass fiber roving

GB/T 21238 glass fiber reinforced plastic sand pipe

GB/T 32491 Glass fiber reinforced thermosetting resin tube and pipe fittings for long-term hydrostatic test

ISO 8639.2016 Test method for the verification of the sealing and structural design of glass fiber reinforced thermosetting plastic pipes and fittings

[Glass-reinforcedthermosettingplastics(GRP)pipesandfittings-Testmethodsforleaktightness

Andproofofstructuraldesignofflexiblejoints]

ISO 10928.2016 Plastic pipe system glass fiber reinforced thermosetting plastic pipe and fittings regression analysis method and its application

[Plasticspipingsystems-Glass-reinforcedthermosettingplastics(GRP)pipesandfittings-Methods

Forregressionanalysisandtheiruse]

GB/T 39491 | GB/T 36264 | GB/T 36262 | GB/T 21491 | GB/T 21490 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 57 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 8639.2016 · ISO 10928.2016

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