Norme internationale
ISO 10928:2024
Systèmes de canalisations en matières plastiques — Tubes et raccords plastiques thermodurcissables renforcés de verre (PRV) — Méthodes pour une analyse de régression et leurs utilisations
Numéro de référence
ISO 10928:2024
Edition 4
2024-03
Norme internationale
Prévisualiser
ISO 10928:2024
84911
Indisponible en français
Publiée (Edition 4, 2024)

ISO 10928:2024

ISO 10928:2024
84911
Langue
Format
CHF 129
Convertir les francs suisses (CHF) dans une autre devise

Résumé

This document specifies procedures suitable for the analysis of data which, when converted into logarithms of the values, have either a normal or a skewed distribution. It is intended for use with test methods and referring standards for glass-reinforced thermosetting plastics (GRP) pipes or fittings for the analysis of properties as a function of time. However, it can also be used for the analysis of other data.

Two methods are specified, which are used depending on the nature of the data. Extrapolation using these techniques typically extends a trend from data gathered over a period of approximately 10 000 h to a prediction of the property at 50 years, which is the typical maximum extrapolation time.

This document only addresses the analysis of data. The test procedures for collecting the data, the number of samples required and the time period over which data are collected are covered by the referring standards and/or test methods. Clause 6 discusses how the data analysis methods are applied to product testing and design.

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