I.S. EN 978:1998
Current
The latest, up-to-date edition.
UNDERGROUND TANKS OF GLASS-REINFORCED PLASTICS (GRP) - DETERMINATION OF FACTOR ALPHA AND FACTOR BETA
Hardcopy , PDF
English
01-01-1998
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Factor alpha
3.2 Factor beta
4 Principle
5 Apparatus
5.1 Testing machine
5.2 Four point test rig
5.3 Measuring device
5.4 Oven for post curing
5.5 Waterbath
6 Test specimens
6.1 Number of test specimens
6.2 Shape and size of test specimens
7 Procedure
7.1 Determination of the initial beam stiffness
7.2 Determination of factor alpha
7.3 Determination of factor beta
8 Test Report
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