ISO 12122-6:2017
Timber structures — Determination of characteristic values — Part 6: Large components and assemblies
ISO 12122-6:2017 specifies methods of determination of characteristic values for a defined population of large components and assemblies, calculated from test values.
It establishes two methods for the determination of characteristic values:
a) direct calculation from test values;
b) calculation from a resistance model, which is firstly calibrated from test results, including calculation of error terms.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Reference population
5.1 General
5.2 Prediction of test results
6 Sampling
7 Sample conditioning
8 Test data
8.1 Loading specifications
8.2 Testing arrangement
8.3 Test measurements
9 Evaluation of characteristic values for structural properties
9.1 General principles
9.2 Direct evaluation of characteristic value
9.2.1 Sampling factor kn
9.2.2 Normal distribution
9.2.3 Log-normal distribution
9.3 Statistical determination of resistance models
9.3.1 General
9.3.2 Procedure
9.3.3 Use of prior test data
10 Reporting
Annex A (informative) Commentary
Annex B (informative) Example of calculation according to 9.2 and 9.3
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Reference population
5.1 General
5.2 Prediction of test results
6 Sampling
7 Sample conditioning
8 Test data
8.1 Loading specifications
8.2 Testing arrangement
8.3 Test measurements
9 Evaluation of characteristic values for structural properties
9.1 General principles
9.2 Direct evaluation of characteristic value
9.2.1 Sampling factor kn
9.2.2 Normal distribution
9.2.3 Log-normal distribution
9.3 Statistical determination of resistance models
9.3.1 General
9.3.2 Procedure
9.3.3 Use of prior test data
10 Reporting
Annex A (informative) Commentary
Annex B (informative) Example of calculation according to 9.2 and 9.3
Bibliography