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The Effect of Longitudinal Stiffeners on Load Carrying Capacity in Steel Pipe-Section Piers  

Chang, Kyong Ho (중앙대학교 공과대학 건설환경공학과)
Jang, Gab Chul (중앙대학교 토목공학과 구조연구실)
Lee, Chan Ho (중앙대학교 토목공학과 구조연구실)
Lee, Eun Taik (중앙대학교 공과대학 건축학과)
Publication Information
Journal of Korean Society of Steel Construction / v.16, no.5, 2004 , pp. 653-660 More about this Journal
Abstract
To increase the efficiency of the urban areas, pipe section steel piers, which have relatively small sections, must be constructed. Since smaller sections mean decreased load capacity, longitudinal stiffeners were applied to the pipe section steel piers to increase their load capacity. Increased load capacity through longitudinal stiffeners, however, could not yet be confirmed. Therefore, the effect of longitudinal stiffeners on the load capacity of pipe section steel piers still needs to be studied. In this paper, the effect of the number of longitudinal stiffeners on the load capacity of steel piers was determined by carrying out elastic plastic FE analysis on material and geometric non-linearity. In addition, comparative analyses of the parameters of the width, the thickness of longitudinal stiffeners, and the slenderness ratio of steel piers were carried out to determine the effects of longitudinal stiffeners.
Keywords
Steel Pipe-Section Pier; Longitudinal Stiffeners; Load Carrying Capacity of Buckling;
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