ISO 9080:2012
Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation
ISO 9080:2012 specifies a method for predicting the long-term hydrostatic strength of thermoplastics materials by statistical extrapolation. The method is applicable to all types of thermoplastics pipe at applicable temperatures. It was developed on the basis of test data from pipe systems.
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CVP_Secretariat_Loca
Foreword
Introduction
0.1 General
0.2 Principles
0.3 Use of the methods
1 Scope
2 Normative references
3 Terms and definitions
4 Acquisition of test data
4.1 Test conditions
4.2 Distribution of internal pressure levels and time ranges
5 Procedure
5.1 Data gathering and analysis
5.2 Extrapolation time factors for polyolefins (semi-crystalline polymers)
5.3 Extrapolation time factors for glassy, amorphous vinyl chloride based polymers
5.4 Extrapolation time factors for polymers other than those covered in 5.2 and 5.3
6 Example of calculation, software validation
7 Test report
Annex A (normative) Methods of analysis
Annex B (normative) Automatic knee detection
Annex C (informative) Application of SEM to stress rupture data of a semi-crystalline polymer
Annex D (informative) Application of SEM to stress rupture data of a vinyl chloride based polymer
Annex E (informative) Software for calculation of stress-rupture data according to ISO 9080
Bibliography
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Related Information
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AS/NZS 1254:2010
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AS/NZS 1254:2010 A1
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AS/NZS 1254:2010 A2
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AS/NZS 1254:2010 A3
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CVP_Secretariat_Loca
Foreword
Introduction
0.1 General
0.2 Principles
0.3 Use of the methods
1 Scope
2 Normative references
3 Terms and definitions
4 Acquisition of test data
4.1 Test conditions
4.2 Distribution of internal pressure levels and time ranges
5 Procedure
5.1 Data gathering and analysis
5.2 Extrapolation time factors for polyolefins (semi-crystalline polymers)
5.3 Extrapolation time factors for glassy, amorphous vinyl chloride based polymers
5.4 Extrapolation time factors for polymers other than those covered in 5.2 and 5.3
6 Example of calculation, software validation
7 Test report
Annex A (normative) Methods of analysis
Annex B (normative) Automatic knee detection
Annex C (informative) Application of SEM to stress rupture data of a semi-crystalline polymer
Annex D (informative) Application of SEM to stress rupture data of a vinyl chloride based polymer
Annex E (informative) Software for calculation of stress-rupture data according to ISO 9080
Bibliography