Glass-reinforced thermosetting plastics (GRP) pipes. Determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions Ingestion-build-183511 BS EN 15688 on the

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Glass-reinforced thermosetting plastics (GRP) pipes. Determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions Ingestion-build-183511 BS EN 15688 on the1 Scope This document specifies a method for determining by extrapolation the long term ultimate ring bending strain and the calculation of the long term ultimate relative ring deflection of glass reinforced thermosetting plastics (GRP) pipes, under wet conditions. Two methods of loading are given, one using plates the other beam bars.