ISO 7685:2026
Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness (Edition 3, 2026)
Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness (Edition 3, 2026)
Referenced standards
PREVIEW
Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness (Edition 3, 2026)
Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness (Edition 3, 2026)
Abstract
This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each is equally valid and can be used for any diameter.
General information
Status : Published
Publication date : 2026-01
Stage : International Standard published
Edition : 3
Number of pages : 9