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STABILITY AND DUCTILITY OF STEEL STRUCTURES
T. Usami, Y. Itoh
The near-field earthquake which struck the Hanshin-Awaji area of Japan before dawn on January 17, 1995, in addition to snatching away the lives of more than 6,000 people, inflicted horrendous damage on the region's infrastructure, including the transportation, communication and lifeline supply network and, of course, on buildings, too. A year earlier, the San Fernando Valley area of California had been hit by another near-field quake, the Northridge Earthquake, which dealt a similarly destructive blow to local infrastructures. Following these two disasters, structural engineers and researchers around the world have been working vigorously to develop methods of design for the kind of structure that is capable of withstanding not only the far-field tectonic earthquakes planned for hitherto, but also the full impact of near-field earthquake.
Of the observed types of earthquake damage to steel structures, there are some whose causes are well understood, but many others continue to present us with unresolved problems. To overcome these, it is now urgently necessary for specialists to come together and exchange information.
The contents of this volume are selected from the Nagoya Colloquium proceedings will become an important part of the world literature on structural stability and ductility, and will prove a driving force in the development of future stability and ductility related research and design.
Foreword. Preface. State-of-the-Art . History of research and practice of the stability of steel structures in the twentieth century (T.V. Galambos). Beams and Beam-Columns . Multiple design curves for beam lateral buckling (N.S. Trahair). Restraint of beams of trapezoidally sheeting using different types of connection (J. Lindner). Elasto-plastic behavior of laterally-braced compression members (H. Fukao et al .). Inelastic behavior of steel beam-columns subject to varying axial force and cyclic bending moment (S. Yamazaki, S. Minami). Steel and Composite Frames . Inelastic buckling strength of portal frames subjected to beam loads (S. Morino et al .). Steady-state limit analysis of framed structures using incremental perturbation method (K. Uetani, Y. Araki). A simplified analysis of steels frames fail by local and global instability (T. Sakimoto et al .). Analysis of nonlinear behavior of steel frames under local fire conditions (Z.Y. Shen, J.C. Zhao). Effects of viscous damping models, hysteretic models and ground motion characteristics on seismic p-delta strength amplification factors (R. Tremblay et al .). Quasi-static cyclic and pseudo-dynamic tests on composite substructures with softening behaviour (O.S. Bursi, R. Zandonini). Pseudo-dynamic tests and analysis on semi-rigidly jointed steel frames (K. Ohi, X.G. Lin). Recent achievements in substructuring on-line pseudodynamic tests at IIS (K. Takanashi). Design of steel structures with LRFD using advanced analysis (W.F. Chen, S.E. Kim). Deformation and ductility demands in steel moment frame structures (H. Krawinkler, A. Gupta). Ductility demand associated with seismic input (H. Akiyama). Seismic design by plastic analysis (S.C. Goel, S. Leelataviwat). Moment redistribution and joint detailing issues in the design of composite frames (D.A. Nethercot). Plates and Plated Structures . Ultimate strength of biaxially loaded plates (N.E. Shanmugam, R. Narayanan). Influence of welding on the stability of aluminium thin plates (F.M. Mazzolani et al .). A design study of the patch load instability phenomenon (R.S. Souza et al .). Shells . Evaluation of collapse loads of reticulated domes under seismic motions (S. Kato, I. Mutoh). Plastic buckling of transition ringbeams in steel silos and tanks (J.G. Teng). Connections . Behaviour of steel beam-to-column joints under cyclic reversal loading: an experimental study (S. Calado et al .). A design model for bolted composite semi-rigid connections (L.T.S. Ferreira et al .). Bridge and Bridge Piers . Failure mechanism of steel box piers under cyclic loading (H. Otsuka et al .). Nonlinear dynamic response of thin circular steel tubes (S. Kumar et al .). Ductility improvement of steel columns with corner plates based on large-scale cyclic loading tests (T. Terayama et al .). Cyclic instability of columns with variable cross-section due to combination of collapse mechanisms (T. Miki, D.A. Nethercot). Inelastic buckling of steel pipe piers in severe earthquakes (Y. Itoh et al .). On the dynamic behavior of composite box girder embedded with viscoelastic layer (H.H. Lee). Evaluation and Retrofit of Damaged Structures . Post-earthquake analysis on damage to steel beam-to-column connections observed in the 1995 Hyogoken-Nanbu earthquake (M. Nakashima et al .). Shear strength of damaged high strength steel bridges (A.W. Davies, A.Y.N. Lee). Low Cycle Fatigue and Fracture . Low cycle fatigue fracture limit as the evaluation base of ductility (M. Yamada). Column cracking in steel moment frames (C.W. Roeder). Effects of cyclic plastic strains on fracture toughness of structural steels (I. Okura et al .). Author index. Keyword index.