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NBN EN 978 : 1997
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INGEGRAVEN RESERVOIRS VAN GLASVERSTERKTE KUNSTSTOFFEN (GVK) - BEPALING VAN DE FACTOR A EN VAN DE FACTOR B
12-01-2013
1 Scope
2 Normative references
3 Definitions
3.1 Factor a
3.2 Factor b
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 a
7.3 Determination of factor b
8 Test Report
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