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Behaviors According to the Reinforcing Method of the Support Diaphragm Manhole in Steel Box Girder Bridge  

Lee, Seong Haeng (밀양대학교 토목공학과)
Kim, Kyoung Nam (충북대학교 구조시스템공학과)
Jung, Kyoung Sup (충북대학교 구조시스템공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.17, no.6, 2005 , pp. 649-660 More about this Journal
Abstract
Since the diaphragm manhole of steel box girder bridges is designed generally from experience, it has become the primary factor in the excessive cost of steel bridge construction. For the economical and efficient manufacture of diaphragm manholes, it is necessary to study the exact behavior of the diaphragm manhole in a steel box girder bridge. In this study, both an experimental test and a structural analysis are performed to verify the behavior of the diaphragm manhole in a steel box girder bridge. A detailed structural analysis was performed according to various diaphragm manhole shapes, and in conclusion, the suitable reinforcement method for the support of diaphragm manholes in steel box bridges is presented.
Keywords
diaphragm; manhole; steel box girder bridges; one side each other reinforcement; stiffening member;
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