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BS ISO 23228:2011

Current
Current

The latest, up-to-date edition.

Thermoplastics pipes for the conveyance of fluids. Determination of the stress-rupture resistance of moulding materials using plain strain grooved tensile (PSGT) specimens
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-10-2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test specimen
7 Conditioning
8 Procedure
9 Calculation
10 Test report
Annex A (informative) - Determination of specimen
        dimensions for the plane strain condition
Bibliography

Describes a method for the determination of the time-to-failure of thermoplastics resins and compounds for piping and fitting applications by the use of a plane strain grooved tensile specimen in a stress-rupture test.

This International Standard specifies a method for the determination of the time-to-failure of thermoplastics resins and compounds for piping and fitting applications by the use of a plane strain grooved tensile specimen in a stress-rupture test.

The grooved tensile specimen produces a biaxial state of stress on uni-axial loading, which is taken to be indicative of the stress conditions found in pressurized solid-wall plastics pipes. The ratio of the stress in the axial direction to the transverse direction approximates that for a pressurized end-capped solid-wall pipe specimen[4]–[7].

It is intended that the data generated on these specimens be utilized to determine the stress-rupture (time to failure) resistance of moulding materials for pipes and fittings as well as experimental piping resins.

This method is also applicable to stress-rupture evaluations of pipes which are difficult to test, e.g. larger diameter pipes, including their batch release tests.

This International Standard is not intended to replace the stress-rupture test of ISO1167[2], which uses internally pressurized end-capped pipes.

Committee
PRI/88/4
DevelopmentNote
Supersedes 09/30154552 DC. (10/2011)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 23228:2011 Identical

ISO 9080:2012 Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation
ISO 3126:2005 Plastics piping systems Plastics components Determination of dimensions
ISO 899-1:2017 Plastics — Determination of creep behaviour — Part 1: Tensile creep

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