Inelastic seismic response of steel bracing members |
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| Affiliation: | 1. College of Engineering & Informatics, National University of Ireland Galway, Ireland;2. Ryan Institute for Environmental, Marine and Energy Research, National University of Ireland Galway, Ireland;3. Centre for Marine and Renewable Energy Ireland (MaREI), Galway, Ireland;4. Dept of Civil, Structural and Environmental Engineering, Trinity College Dublin, Ireland;5. Imperial College London, UK;6. Holmes Consulting Group, Christchurch, New Zealand;7. EMSI, CEA Saclay, France;1. College of Engineering & Informatics, National University of Ireland Galway, Ireland;2. Ryan Institute for Environmental, Marine and Energy Research, National University of Ireland, Galway, Ireland;3. Centre for Marine and Renewable Energy Ireland (MaREI), Galway, Ireland;4. Trinity College Dublin, Ireland;5. Imperial College London, UK;6. Holmes Consulting Group, Christchurch, New Zealand |
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| Abstract: | A survey of past experimental studies on the inelastic response of diagonal steel bracing members subjected to cyclic inelastic loading was carried out to collect data for the seismic design of concentrically braced steel frames for which a ductile response is required under earthquakes. The parameters that were examined are the buckling strength of the bracing members, the brace post-buckling compressive resistance at various ductility levels, the brace maximum tensile strength including strain hardening effects, and the lateral deformations of the braces upon buckling. Equations are proposed for each of these parameters. In addition, the maximum ductility that can be achieved by rectangular hollow bracing members is examined. |
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