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AS/NZS 1170.3:2003
[Current]Structural design actions, Part 3: Snow and ice actions
Provides design values of snow and ice actions for use in structural design. It is intended to be used in conjunction with AS/NZS 1170.0, which gives the procedure for structural design. Snow regions are defined and ground snow loads are provided for a range of annual probabilities of exceedance. Other factors cover the environment around the structure, the geometry of the structure and the effect of winds on snow distribution.
Published: 16/01/2003
Pages: 30
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 documents
1.4 Determination of design actions
1.5 Definitions
1.6 Units
1.7 Notation
2 Snow regions
2.1 General
2.2 Australia
2.3 New Zealand
3 Ice action
3.1 General
3.2 Determination of forces
3.3 Ice density
3.4 Ice thickness
4 Snow action
4.1 General
4.2 Design snow loads
4.2.1 Roof snow load
4.2.2 Exposure reduction coefficient
4.2.3 Snow overhanging the edge of a roof
4.2.4 Snow actions on snowguards and obstructions
5 Ground snow load
5.1 General
5.2 Probability factor
5.3 Ground snow loads for alpine regions
5.4 Ground snow loads for sub-alpine regions
5.4.1 General
5.4.2 Australia
5.4.3 New Zealand
6 Shape coefficients for alpine regions
6.1 General
6.2 Balanced snow load
6.3 Mono-pitched roofs
6.4 Duo-pitched roofs
6.5 Multi-pitched roofs
6.6 Drifting caused by obstructions higher than the roof
6.7 Drifting at projections and obstructions
6.8 Cylindrical roofs
7 Shape coefficients for sub-alpine regions
7.1 General
7.2 Shape coefficients as for alpine regions
7.3 Obstructed roofs
7.4 Drifting on lower roofs
7.5 Curved roofs
Appendix A
Amendment control sheet
Cited references in this standard
Content history
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[Current]
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[Superseded]
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