NF EN ISO 9080

December 2012

Standard Current

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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Main informations

Collections

National standards and national normative documents

Publication date

December 2012

Number of pages

40 p.

Reference

NF EN ISO 9080

ICS Codes

23.040.20 Plastics pipes

Classification index

T54-900

Print number

1 - 05/12/2012

International kinship

ISO 9080:2012

European kinship

EN ISO 9080:2012

Sumary

Plastics piping and ducting systems - Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation

Replaced standards (1)

NF EN ISO 9080

July 2003

Standard Cancelled

Plastics piping and ducting systems - Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation

<p>ISO 9080:2003 describes a method for estimating the long-term hydrostatic strength of thermoplastics materials by statistical extrapolation.</p> <p>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.</p>

Table of contents

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Avant-propos
iv
Introduction
v
0.1 Généralités
v
0.2 Principes
v
0.3 Utilisation de la méthode
vi
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
1
4 Obtention des données
3
4.1 Conditions d'essai
3
4.2 Répartition des niveaux de pression et des gammes de tenues
3
5 Mode opératoire
3
5.1 Acquisition des données et analyse
3
5.2 Facteurs d'extrapolation dans le temps des polyoléfines (polymères semi-cristallins)
7
5.3 Facteurs d'extrapolation des polymères amorphes vitreux à base de chlorure de vinyle
7
5.4 Facteurs d'extrapolation d'autres polymères que ceux mentionnés en 5.2 et 5.3
8
6 Exemple de calcul, validation du logiciel
8
7 Rapport d'essai
8
Annexe A (normative) Méthodes d'analyse
10
Annexe B (normative) Recherche automatique d'un genou
14
Annexe C (informative) Application de la SEM à des résultats d'essais de rupture sous contrainte pour un polymère semi-cristallin
15
Annexe D (informative) Application de la SEM à des résultats d'essais de rupture sous contrainte pour un polymère à base de chlorure de vinyle
23
Annexe E (informative) Logiciel pour le calcul des résultats d'essais de rupture sous contrainte conformément à l'ISO 9080
29
Bibliographie
30

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