This standard specifies methods for determining the initial specific ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given and within the specified deflection limits each is equally valid and may be used for any diameter.
Related directives
Directives related to this standards.
93/38/EEC
Procurement procedures of entities operating in the water, energy, transport and telecommunications sectors
PUBLISHED SSH EN 1228:2003 60.60
Standard published Jan 1, 2003
Related project
Adopted from
EN 1228:1996
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Shqip