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BS EN 789:2004

Current

Current

The latest, up-to-date edition.

Timber structures. Test methods. Determination of mechanical properties of wood based panels

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

16-03-2005

£232.00
Excluding VAT

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

Describes test methods for determining some mechanical properties of commercial wood-based panel products for use in load-bearing timber structures. These properties are intended for the calculation of characteristic values for use in obtaining material design values.

Committee
B/518
DevelopmentNote
Supersedes 92/16274 DC and 03/315085 DC. (03/2005)
DocumentType
Standard
Pages
36
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
NF EN 789 : 2005 Identical
UNI EN 789 : 2005 Identical
I.S. EN 789:2004 Identical
NBN EN 789 : 2004 Identical
EN 789:2004 Identical
DIN EN 789:2005-01 Identical
SN EN 789 : 2004 Identical
UNE-EN 789:2006 Identical
NEN EN 789 : 2004 Identical
NS EN 789 : 2ED 2005 Identical

BS 8605-1:2014 External timber cladding Method of specifying
BS 5268-2:2002 Structural use of timber Code of practice for permissible stress design, materials and workmanship
BS 6068-5.20(1996) : 1996 AMD 10320 WATER QUALITY - BIOLOGICAL METHODS - EVALUATION OF THE ELIMINATION AND BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AN AQUEOUS MEDIUM - ACTIVATED SLUDGE SIMULATION TEST

EN 13986:2004 Wood-based panels for use in construction - Characteristics, evaluation of conformity and marking
EN 322:1993 Wood-based panels - Determination of moisture content
EN 325:2012 Wood-based panels - Determination of dimensions of test pieces
EN 323:1993 Wood-based panels - Determination of density
EN 14358:2016 Timber structures - Calculation and verification of characteristic values

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