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Devastating seismic events occurring all over the world keep raising the awareness of the scientific, technical and political communities to the need of identifying assets at risk and developing more effective and cost-efficient seismic risk mitigation strategies. Significant advances in earthquake engineering research have been achieved with the rise of new technologies and techniques with potential use in risk assessment, management and mitigation. Nevertheless, there is still much to be done, particularly with regard to existing buildings, most of them built without anti-seismic provisions. The wide variety of construction and structural systems, associated with the complex behaviour of their materials, greatly limit the application of current codes and building standards to the existing building stock. To tackle this issue, there is a fundamental need for developing multidisciplinary research that can lead to the development of more sophisticated and reliable methods of analysis, as well as to improved seismic retrofitting techniques compliant with buildings conservation principles. This book intends to contribute to the aforementioned goal by stimulating the exchange of ideas and knowledge on the assessment and reduction of the seismic vulnerability of existing buildings. 10 high quality contributions authored by international experts from Italy, Portugal, Morocco, Nepal, Czech Republic and Spain are included herein. All contributions pursue the protection of existing buildings by considering the most updated methods and advanced solutions emerging from different fields of expertise.
brittle failure --- earthquakes scenarios --- n/a --- FRP --- joints --- neural networks --- pushover --- seismic performance --- infilled frames --- carpentry halved joint --- inter-storey drift --- safety assessment --- seismic risk --- high-rise RC --- discrete elements --- seismic vulnerability assessment --- limit analysis --- seismic capacity --- Geo-hazard site effects --- automatic protocols --- numerical modelling --- seismic retrofit --- retrofit --- numerical modeling --- Imzouren --- finite element modelling --- Expected damage scenario --- masonry structures --- large-scale vulnerability analysis --- seismic restoration --- vulnerability assessment --- earthquakes --- unreinforced masonry structure --- frame-infill interaction --- CARTIS form --- seismic analysis --- nonlinear static analysis --- Seismic attenuation law --- seismic behavior --- seismic retrofitting --- damage assessment --- capacity curves --- energy dissipation --- mobile-device applications --- in situ structural diagnosis --- vulnerability index --- Vulnerability assessment --- GIS mapping --- Gorkha earthquake
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Many constructions are built with reinforced or prestressed concrete, and most of them are designed or expected to resist earthquake actions in addition to gravity loads. To limit the effects of seismic events on reinforced or prestressed concrete structures, many attempts have been made by researchers in order to (i) improve the knowledge of the response of materials (steel bars and concrete) and members by means of laboratory tests, (ii) develop numerical and capacity models, (iii) enhance procedures for the dynamic analysis and assessment of the seismic performance of structures and (iv) suggest innovative interventions for the seismic retrofit of old and damaged reinforced or prestressed concrete structures. This Special Issue is a collection of 11 important research works that cover a wide range of problems related to the previously mentioned research fields. Both researchers and practical engineers are expected to greatly benefit from this Special Issue in view of their own work and for a better comprehension of the response of r.c. members and structures.
Technology: general issues --- History of engineering & technology --- seismic retrofitting --- mainshock-damaged RC frame --- soft steel damper --- seismic performance --- mainshock-aftershock seismic sequence --- retrofitting --- modular --- finite element analysis --- flexural behavior --- ductility --- RC columns --- strengthening --- direct fastening --- steel jackets --- design procedure --- precast reinforced concrete deep beam --- experimental study --- finite element method (FEM) --- RC frames --- brick infills --- prior damage --- finite element analyses --- seismic joint --- FRP --- RC corroded columns --- localised corrosion --- numerical analyses --- modelling strategies --- cyclic actions --- seismic isolation --- asymmetric building --- mode-adaptive bidirectional pushover analysis (MABPA) --- seismic retrofit --- momentary energy input --- RC-framed skin --- seismic assessment --- nonlinear static analysis --- existing RC buildings --- retrofitting intervention --- column removal --- non-linear analysis --- progressive collapse --- reinforced concrete frame --- seismic response --- optimization --- curtailed shear wall --- buckling-restrained brace --- genetic algorithm --- seismic upgrading --- RC buildings --- industrial buildings --- industrial heritage --- steel exoskeletons --- photovoltaic plants --- n/a
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