ISO 12122-3:2016
Timber structures — Determination of characteristic values — Part 3: Glued laminated timber
ISO 12122-3:2016 gives methods for the determination of characteristic values for a defined population of glued laminated timber products, calculated from test values.
It presents methods for the determination of
a) characteristic value of mean-based properties, and
b) characteristic value of 5th percentile-based properties.
NOTE Annex B gives information on the methods that have been successfully used to estimate the characteristic values of glued laminated timber products from properties of the laminates.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Reference population
6 Sampling
6.1 Sampling method
6.2 Sample size
7 Sample conditioning
8 Test data
8.1 Test method
8.2 Test data compatible with product description
8.3 Failure modes
9 Evaluation of characteristic values for structural properties
9.1 Structural properties
9.2 Characteristic modulus of elasticity or stiffness
9.3 Characteristic values of strength or capacity
9.3.1 Characteristic bearing strength
9.3.2 Other characteristic values for strength or capacity based on the 5th percentile test value
10 Report
Annex A (informative) Commentary
Annex B (informative) Analytical models for determining characteristic properties of glued laminated timber
Bibliography
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Related Information
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AS/NZS 1328.1:1998
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AS/NZS 1328.1:1998 A1
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AS/NZS 4364:2010
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Reference population
6 Sampling
6.1 Sampling method
6.2 Sample size
7 Sample conditioning
8 Test data
8.1 Test method
8.2 Test data compatible with product description
8.3 Failure modes
9 Evaluation of characteristic values for structural properties
9.1 Structural properties
9.2 Characteristic modulus of elasticity or stiffness
9.3 Characteristic values of strength or capacity
9.3.1 Characteristic bearing strength
9.3.2 Other characteristic values for strength or capacity based on the 5th percentile test value
10 Report
Annex A (informative) Commentary
Annex B (informative) Analytical models for determining characteristic properties of glued laminated timber
Bibliography