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Optimum Design of Braced Three Dimensional Square Steel Frame Structures Considering Arrangement of Major-minor axis of Column  

Kim, Ki-Wook (경북대학교 방재연구소)
Park, Moon-Ho (경북대학교 토목공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.8, no.2, 2004 , pp. 259-267 More about this Journal
Abstract
Most steel frame structures are constructed to one side without considering the arrangement of major-minor axis of column and bracing. This research presents more safety and economic efficiency can be obtained by just rearrangement of major-minor axis. Because most of steel-frame structures are excessively designed with Allowable Stress Design, and it needs to be changed to other specifications. The arrangement of major-minor axis of column is partly referred in AISC-LRFD, but still insufficient. This study compared with the each result from rearrangement of major-minor axis of column, arrangement of bracing, the connecting method of bracing, and consequence with different specifications. Moreover it demonstrated the direction of more economically optimized design.
Keywords
Optimum design; Steel structure; AISC-ASD; AISC-LRFD; Major-minor axes;
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