ISO 7685:2019
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Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness
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English
07-11-2019
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.
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