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AS/NZS 4490:2011
[Current]Timber - Solid - Stress-graded for structural purposes - Verification of properties
Specifies the general principles for verification of the properties of sawn structural timber produced using any method of grading and presents a range of specific methods that can be selected by manufacturers of structural sawn timber.
Published: 24/02/2011
Pages: 27
Table of contents
Cited references
Content history
Table of contents
Header
Appendix G
G1 General
G2 Verification
G2.1 General
G2.2 Sampling
G2.3 Analysis
G2.4 Verification status
G2.4.1 Property-verified
G2.4.2 Property-not-verified
About this publication
Preface
1 Scope
2 Application
3 Normative references
4 Definitions
5 Notation
6 Requirements
6.1 General
6.2 Structural properties
6.2.1 Verification method and relevant requirements
6.2.2 Indicator properties
6.2.3 Indicator property target value
6.2.4 Sampling
6.2.5 Testing
6.3 Check of verification method
6.3.1 General
6.3.2 Sampling
6.3.3 Testing
6.3.4 Evaluation
6.3.4.1 Modulus of elasticity (MOE)
6.3.4.2 Strength property
6.3.5 Results
6.4 Other properties
6.5 Records
7 Demonstration of compliance
Appendix A
A1 General
A2 Sampling
A3 Testing
A4 Evaluation
A5 Verification
A5.1 General
A5.2 Verification status
A5.2.1 Property-verified
A5.2.2 Property-not-verified
A5.2.3 Property-conditionally-verified
Appendix B
B1 General
B2 Verification—All timber proof loaded
B2.1 General
B2.2 Verification status
B2.2.1 Property-verified
B2.2.2 Property-not-verified
B2.2.3 Property-conditionally-verified
B3 Verification—Sample proof loaded
B3.1 General
B3.2 Sampling
B3.3 Verification status
B3.3.1 Property-verified
B3.3.2 Property-not-verified
B3.3.3 Property-conditionally-verified
Appendix C
C1 General
C2 Production parameters
C2.1 General
C2.2 Conservatism in strength
C2.3 Conservatism in MOE
C2.4 Verification status
C2.4.1 Property-verified
C2.4.2 Property-not-verified
Appendix D
D1 General
D2 Sampling
D3 Testing
D4 Evaluation
D4.1 Number of results used for analysis
D4.2 Estimation of Emean (M)
D4.3 CUSUM parameters
D4.4 CUSUM calculations
D5 Verification
D5.1 General
D5.2 Verification status
D5.2.1 Property-verified
D5.2.2 Property-not-verified
D5.2.3 Property-conditionally-verified
Appendix E
E1 General
E2 Verification
E2.1 General
E2.2 Verification status
E2.2.1 Property-verified
E2.2.2 Property-not-verified
Appendix F
F1 Sampling
F1.1 Random sampling
F1.2 Sample size
F1.2.1 General
F1.2.2 Recommended minimum sample size
F1.2.3 Examples
F2 Calculation of fifth percentile from data
F2.1 Methods of calculation
F2.2 Example of calculating fifth percentile values
F2.2.1 Test data
F2.2.2 Log-normal fit
F2.2.3 Non-parametric methods
F2.2.4 Test results truncated at a proof load
Cited references in this standard
NZS 3603
Timber Structures Standard
NZS 3622
Verification of timber properties
[Current]
Timber - Solid - Stress-graded for structural purposes, Part 2: Qualification of grading method
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