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AS/NZS 1748.2:2011
[Current]Timber - Solid - Stress-graded for structural purposes, Part 2: Qualification of grading method
Specifies requirements for the qualification of a grading method to be used in manufacturing stress-graded solid timber that complies with AS/NZS 1748.1.
Published: 24/02/2011
Pages: 13
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Application
3 Normative references
4 Definitions
5 Notation
5.1 General
5.2 Subscripts
6 Requirements
6.1 General
6.2 Qualification
6.2.1 Wood resource
6.2.2 Qualification of grading method
6.2.3 Changes affecting qualification
6.3 Testing and analysis—Phase I
6.3.1 General
6.3.2 Sampling
6.3.2.1 General
6.3.2.2 Cross-section with face width 140 mm or less
6.3.2.3 Cross-section with face width greater than 140 mm
6.3.3 Testing
6.3.4 Analysis
6.3.5 Qualification criterion
6.3.6 Indicator property
6.3.6.1 Selection of indicator properties
6.3.6.2 Calculation of indicator property target values
6.4 Testing and analysis—Phase II
6.4.1 General
6.4.2 Sampling
6.4.3 Testing
6.4.4 Analysis
6.4.4.1 General
6.4.4.2 Analysis of coefficient of determination
6.4.4.3 Responsiveness
6.5 Qualification report
Appendix A
A1 General
A2 Initial evaluation of structural properties
A3 Physical requirements—Strength considerations
A3.1 General
A3.2 Limitations—Softwood species
A3.3 Limitations—Hardwood species
Appendix B
B1 General
B2 Evaluation of responsiveness
Bibliography
Cited references in this standard
NZS 3603
Timber Structures Standard
[Current]
Timber - Solid - Stress-graded for structural purposes - Verification of properties
[Current]
Characterization of structural timber, Part 2: Determination of characteristic values
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