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BS EN 789:2004
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The latest, up-to-date edition.
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Timber structures. Test methods. Determination of mechanical properties of wood based panels
Hardcopy , PDF
English
16-03-2005
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Sampling
5.1 Sampling of panels
5.2 Sampling of specimens
6 Preparation of test pieces
6.1 Conditioning
6.2 Dimensions of test pieces
6.2.1 Methods of measurement
6.2.2 Measurements to be taken
6.3 Moisture content
6.3.1 Method of measurement
6.3.2 Measurements to be taken
6.4 Density
6.4.1 Method of measurement
6.4.2 Measurements to be taken
7 Bending properties
7.1 Test piece
7.2 Loading equipment
7.3 Loading method
7.4 Test procedure
7.4.1 Rate of application of load
7.4.2 Measurement of length and deformation
7.5 Expression of results
7.5.1 Modulus of elasticity and bending stiffness
7.5.2 Bending strength and moment capacity
8 Compression properties in the plane of the panel
8.1 Test piece
8.2 Loading equipment
8.3 Loading method
8.4 Test Procedure
8.4.1 Rate of application of load
8.4.2 Measurement of length and deformation
8.5 Expression of results
8.5.1 Compression of modulus of elasticity and stiffness
8.5.2 Compression strength
9 Tension properties
9.1 Test piece
9.2 Loading equipment
9.3 Loading method
9.4 Test procedure
9.4.1 Rate of application of load
9.4.2 Measurement of length and deformation
9.5 Expression of results
9.5.1 Tension modulus of elasticity and stiffness
9.5.2 Tension strength
10 Panel shear properties
10.1 Test piece
10.2 Loading equipment
10.3 Measurement of deformation
10.4 Loading method
10.5 Test procedure
10.5.1 Rate of application of load
10.5.2 Measurement of deformation
10.5.3 Failure mode
10.6 Expression of results
10.6.1 Panel shear modulus of rigidity
10.6.2 Panel shear strength
11 Planar shear properties
11.1 Test piece
11.2 Loading equipment
11.3 Loading method
11.4 Test procedures
11.4.1 Rate of application of load
11.4.2 Measurement of deformation
11.5 Expression of results
11.5.1 Planar shear strength
11.5.2 Planar shear modulus of rigidity
12 Test report
12.1 General data
12.2 Material data
12.3 Data of individual test pieces
12.4 Data of physical properties
12.5 Additional data
12.6 Sampling data
Annex A (normative) In-plane compression test pieces
Annex B (normative) Panel shear test pieces
Annex C (normative) Planar shear test pieces
Annex D (informative) Compression properties perpendicular to
the plane of the panel (bearing)
Bibliography
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