The effect of stiffeners on the strain patterns of the welded connection zone |
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Authors: | Roozbeh Kiamanesh Ali Abolmaali Mehdi Ghassemieh |
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Affiliation: | a‘UT-Arlington Center for Structural Engineering Research, University of Texas at Arlington, Arlington, TX, 76019, United States;bDepartment of Civil Engineering, University of Tehran, Tehran, Iran |
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Abstract: | The behavior of the welded I-beams to box-columns connections is investigated both experimentally and numerically to identify the effects of stiffeners and column flange thickness on the energy dissipation characteristic of the connection. Numerical test specimens were developed and analyzed by the finite element method and the results were compared with full-scale experiments. The effects of various stiffeners such as, column stiffeners, side-stiffeners, and top-flange, and bottom-flange stiffeners were investigated. The contribution of each stiffener in controlling the location of the plastic deformation and the energy dissipation in the connection zone were examined. |
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Keywords: | I-Beam to Box-column Force transfer mechanism Steel Connection Seismic Cyclic Energy dissipation Hysteresis Stiffener Hardening |
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