AS/NZS 1170.2:2011
Superseded
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Structural design actions Wind actions (Reconfirmed 2016)
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30-03-2011
12-03-2026
Provides requirements for determining wind actions for use in structural design. It includes revised sections on combination factors and cantilevered roofs and new provisions for torsion and windborne debris testing. It also provides for the treatment of doors as openings, and increased local pressure factors. Wind speeds and direction factors are given for regions in Australia and New Zealand. Factors are provided to cover the environment around the structure, the geometry of the structure and the dynamic interaction of the structure with the wind.
| Committee |
BD-006
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| DocumentType |
Standard
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| ISBN |
978 0 7337 9805 4
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| Pages |
90
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| ProductNote |
Reconfirmed 16/12/2016.This standard has been reconfirmed in Australia in 2016 and remains current in New Zealand. Reconfirmation Notice 16/12/2016
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| PublisherName |
Standards Australia
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| Status |
Superseded
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| SupersededBy | |
| Supersedes | |
| UnderRevision |
This Standard sets out procedures for determining wind speeds and resulting wind actions to be used in the structural design of structures subjected to wind actions other than those caused by tornadoes.The Standard covers structures within the following criteria:(a) Buildings less than or equal to 200 m high.(b) Structures with roof spans less than 100 m.(c) Structures other than offshore structures, bridges and transmission towers.NOTES:1 This Standard is a stand-alone document for structures within the above criteria. It may be used, in general, for all structures but other information may be necessary. 2 Where structures have natural frequencies less than 1 Hz, Section 6 requires dynamic analysis to be carried out (see Section 6).3 In this document, the words ‘this Standard’ indicate AS/NZS 1170.2, which is regarded as Part 2 of the AS/NZS 1170 series of Standards (see Preface).4 Further advice should be sought for geometries not described in this Standard, such as the roofs of podiums below tall buildings.
Originated in Australia as part of AS CA1-1933.
Originated in New Zealand as part of NZS 1900:1964.
Previous Australian edition AS 1170.2-1989.
Previous New Zealand edition NZS 4203:1992.
AS 1170.2-1989 and NZS 4203:1992 jointly revised, amalgamated and redesignated in part as AS/NZS 1170.2:2002.
Second edition 2011.
Reissued incorporating Amendment No. 1 (September 2012).
Reissued incorporating Amendment No. 2 (December 2012).
Reissued incorporating Amendment No. 3 (July 2013).
Reissued incorporating Amendment No. 4 (August 2016).
Reissued incorporating Amendment No. 5 (June 2017).
A newer version of this standard is available.
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