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Inelastic and Local Buckling Behavior of H-Beams with Web Opening under Cyclic Loadings  

Lee, Eun Taek (중앙대학교 건축학부)
Kim, Cheol Hwan (상주대학교 건축공학부)
Oh, Woo Hun (중앙대학교 대학원)
Publication Information
Journal of Korean Society of Steel Construction / v.15, no.3, 2003 , pp. 271-279 More about this Journal
Abstract
Many researches have been conducted to describe the elastic and inelastic behavior of H-shaped beams with web openings, and were generally concentrated on the uniaxial loading conditions. With previous research results, the formulae for the design of beams with web openings, considering local buckling, have been proposed by Darwin. Although the formulae are so simple and useful to apply to real situations, it needs more research on cyclic loading conditions. In this experimental study, a total of seven H-shaped beams with circular web openings under cyclic loading conditions were investigated. The dimension criteria were based on the formulae proposed by Darwin. The suitability of the existing design formulae, the effects of plastic hinges on beams with web openings, and the local bucking around the web openings to the beam strength under cyclic loading were also investigated through by the observations of the behavior of these beams with various dimensional openings.
Keywords
Web opening; inelastic behavior; cyclic loading; local buckling; strength deterioration; stiffness deterioration;
Citations & Related Records
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