ISO/TS 12512:2017

TECHNICAL ISO/TS
SPECIFICATION 12512
First edition
2017-07
Glass reinforced thermosetting
plastic (GRP) pipes — Determination
of initial specific ring stiffness using
segment test species cut from a pipe
Tubes en plastique thermodurcissables renforcés de verre (PRV) —
Détermination de la rigidité annulaire spécifique initiale et de la
résistance à la déflexion annulaire initiale en utilisant des éprouvettes
segmentaires découpées dans un tube
Reference number
ISO/TS 12512:2017(E)
©
ISO 2017

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ISO/TS 12512:2017(E)

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ISO/TS 12512:2017(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 4
4.1 Overview . 4
4.2 Principle of test procedures to determine initial specific ring stiffness . 4
4.2.1 Method A . 4
4.2.2 Method B . 4
5 Apparatus . 4
5.2 Load application surface — General arrangement . 5
5.3 Dimension-measuring instruments . 5
5.4 Temperature-measuring instrument . 5
6 Test pieces . 6
6.1 Preparation . 6
6.2 Number . 6
6.3 Determination of dimensions .
...