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AS 1649:2025

[Current]

AS 1649:2025 provides methods for the determination of basic design information for use in the application of particular mechanical fasteners in timber construction
Published: 08/08/2025
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Terms and definitions
1.5 Notation
1.6 Sampling of fasteners and timber
1.6.1 Fasteners
1.6.2 Timber
1.7 Test conditions for timber
1.7.1 Dry timber
1.7.2 Green timber tested green
1.7.3 Green timber tested dry
1.8 Conduct of tests
1.8.1 Apparatus
1.8.2 Temperature
1.8.3 Moisture content and density
1.8.4 Numbers of specimens for establishing design properties
1.8.5 Time of testing
1.8.6 Test species for joint strength groups
2 Test procedures
2.1 Withdrawal test — for Category A fasteners only
2.1.1 General
2.1.2 Number of test specimens
2.1.3 Preparation of test specimens
2.1.4 Test procedure
2.1.5 Report
2.2 Lateral resistance tests for joints — for Categories A, B, C, and D fasteners
2.2.1 Introduction
2.2.2 Test specimens
2.2.3 Number of test specimens
2.2.4 Test procedure for Category A fasteners
2.2.5 Test procedure for Category B fasteners
2.2.6 Test procedure for Category C fasteners
2.2.6.1 Method of test for Category C fasteners — Failure in timber
2.2.6.2 Method of test for Category C fasteners — Failure in metal
2.2.6.3 Test report
2.2.7 Test procedure for Category D fasteners
3 Basic working loads, stiffness and characteristic strengths
3.1 General
3.2 Derivation of basic working loads
3.2.1 General
3.2.2 Basic working loads in withdrawal
3.2.3 Basic lateral working loads for Category A fasteners
3.2.4 Basic lateral working loads for Category B fasteners
3.2.5 Basic lateral working loads for Category C fasteners
3.2.5.1 Basic lateral loads for Category C fasteners — Failure in timber
3.2.5.2 Basic lateral loads for Category C fasteners — Failure in metal
3.2.6 Basic lateral working loads for Category D fasteners
3.2.7 Summary of load factors
3.3 Basic working loads for non-standard conditions
3.4 Stiffness of joints
3.5 Characteristic load capacities for limit states design
3.5.1 General
3.5.2 Nails and screws in withdrawal
3.5.3 Fasteners in lateral load — Failure in timber
3.5.4 Fasteners in lateral load — Failure in metal
Appendix A
Appendix B
Appendix C
C.1 Duration of loading
C.2 Fastener spacing
C.3 Timber dimensions
C.4 Angle of grain
C.5 Single and double shear
C.6 Metal side plates
C.7 Multiple fasteners
C.8 Timber density
Bibliography
Cited references in this standard
[Current]
Timber structures, Part 1: Design methods
[Current]
Timber — Methods of test, Method 1: Moisture content
[Current]
Timber — Methods of test, Method 3: Density
Content history
[Superseded]
DR AS 1649:2024