AS 2979-1998被替代
Traffic signal mast arms
出版：Standards Australia
專家解讀視頻
基本信息
標準編號： AS 2979-1998
發布時間：1998/9/5 0:00:00
標準類別：Standard
出版單位：Standards Australia
標準頁數：22
標準簡介
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.
