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.
Status: PublishedPublication date: 2019-07
Edition: 2Number of pages: 8
Technical Committee: ISO/TC 138/SC 6 Reinforced plastics pipes and fittings for all applications
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