AS 2979-1998被替代
Traffic signal mast arms
出版：Standards Australia
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基本信息
标准编号： AS 2979-1998
发布时间：1998/9/5 0:00:00
标准类别：Standard
出版单位：Standards Australia
标准页数：22
标准简介
Specifies requirements for tubular steel mast arms that are designed to support traffic signal lanterns and associated equipment above the roadway. Also applies to joint-use mast arms that, in addition to supporting traffic signal lanterns, are designed to support road lighting luminaires. Designates specific types of mast arms based on design and constructional considerations. Does not apply to traffic signal posts, requirements for which are specified in AS 2339.
