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GB/T 32378-2015Glass-reinforced thermosetting plastics (GRP) pipes -- Determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions (English PDF)

玻璃纤维增强热固性塑料(GRP)管湿态环境下长期极限弯曲应变和长期极限相对环变形的测定

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

December 31, 2015

Implementation date

November 1, 2016

Scope

GB/T 32378-2015 is the English-translated version of 玻璃纤维增强热固性塑料(GRP)管湿态环境下长期极限弯曲应变和长期极限相对环变形的测定.

GB/T 32378-2015 — This standard specifies the extrapolation method for the determination of glass fiber-reinforced thermosetting plastics (GRP) pipes in the wet environment of long-term ultimate bending should Long-term change and limit the relative ring deformation.

This standard gives two loading ways. one is to load the board, the other is the support beams. Note. When testing the relative radial deformation of not more than 28% when the two loading modes may be employed; when the relative radial deformation of the test is greater than 28% when loading to to refrain from using a support beam.

This standard applies to thin-walled glass fiber reinforced thermosetting resin pipe and pipe fittings.

Note. refers to thin-walled tube diameter and wall thickness ratio greater than or equal to 10.1, the conditions within the pressure tube, the inner design based on hoop stress equation, the pipeline Pressure is generally 20% of the hydrostatic design basis, and is independent of the diameter.

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Document preview — GB/T 32378-2015

National Standard of the People's Republic of China

ICS: 13.100
Classification: Q 23

Issued by: Standardization Administration of China

Document data1

Document data

International classification (ICS): 13.100.

Chinese classification (CCS): Q23.

Estimated length of the Chinese original: 12,152 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 7685 · ISO 10928

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