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Earthquakes affecting urban areas can lead to catastrophic situations and hazard mitigation requires preparatory measures at all levels. Structural assessment is the diagnosis of the seismic health of buildings. Assessment is the prelude to decisions about rehabilitation or even demolition. The scale of the problem in dense urban settings brings about a need for macro seismic appraisal procedures because large numbers of existing buildings do not conform to the increased requirements of new earthquake codes and specifications or have other deficiencies. It is the vulnerable buildings - liable to cause damage and loss of life - that need immediate attention and urgent appraisal in order to decide if structural rehabilitation and upgrading are feasible. Current economic, efficient and occupant-friendly rehabilitation techniques vary widely and include the application either of precast concrete panels or layers, strips and patches of fiber reinforced polymers (FRP) in strategic locations. The papers in this book, many by renowned authorities in earthquake engineering, chart new and vital directions of research and application in the assessment and rehabilitation of buildings in seismic regions. While several papers discuss the probabilistic prediction and quantification of structural damage, others present approaches related with the in-situ and occupant friendly upgrading of buildings and propose both economical and practical techniques to address the problem.
Sommario
FROM DUZCE TO THE CITY.- RECENT ADVANCES IN THE SEISMIC REHABILITATION OF REINFORCED CONCRETE BUIIDINGS IN JAPAN.- CONCRETE OR FRP JACKETING OF CONCRETE COLUMNS FOR SEISMIC RETROFITTING.- IN SERVICE SEISMIC STRENGTHENING OF RC FRAMED BUILDINGS.- AN EQUIVALENT LINEARIZATION PROCEDURE FOR DISPLACEMENT-BASED SEISMIC ASSESSMENT OF VULNERABLE RC BUILDINGS.- A DISPLACEMENT-BASED ADAPTIVE PUSHOVER FOR ASSESSMENT OF BUILDINGS AND BRIDGES.- IN DEFENCE OF ZEYTINBURNU.- AUTOMATED POST-EARTHQUAKE DAMAGE ASSESSMENT OF INSTRUMENTED BUILDINGS.- A DETAILED SEISMIC PERFORMANCE ASSESSMENT PROCEDURE FOR RC FRAME BUILDINGS.- ASSESSMENT OF SEISMIC FRAGILITY CURVES FOR LOW- AND MID-RISE REINFORCED CONCRETE FRAME BUILDINGS USING DUZCE FIELD DATABASE.- SEISMIC REHABILITATION OF LOW-RISE PRECAST INDUSTRIAL BUILDINGS IN TURKEY.- SEISMIC RISK MITIGATION THROUGH RETROFITTING NONDUCTILE CONCRETE FRAME SYSTEMS.- HYDE-SYSTEMS FOR EARTHQUAKE PROTECTION OF RESIDENTIAL BUILDINGS.- LEARNING FROM EARTHQUAKES TO IMPROVE REHABILITATION GUIDELINES FOR REINFORCED CONCRETE BUILDINGS.- SEISMIC RISK SCENARIOS FOR AN EFFICIENT SEISMIC RISK MANAGEMENT: THE CASE OF THESSALONIKI (GREECE).- THE MULTI-AXIAL FULL-SCALE SUB-STRUCTURED TESTING AND SIMULATION (MUST-SIM) FACILITY AT THE UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN.- RECENT EXPERIMENTAL EVIDENCE ON THE SEISMIC PERFORMANCE OF REHABILITATION TECHNIQUES IN MEXICO.- CFRP OVERLAYS IN STRENGTHENING OF FRAMES WITH COLUMN REBAR LAP SPLICE PROBLEM.- SEISMIC RETROFIT OF INFILLED REINFORCED CONCRETE FRAMES WITH CFRP COMPOSITES.- AXIAL BEHAVIOR OF RC COLUMNS RETROFITTED WITH FRP COMPOSITES.- COLLAPSE OF LIGHTLY CONFINED REINFORCED CONCRETE FRAMES DURING EARTHQUAKES.- EVALUATION OF APPROXIMATE NONLINEAR PROCEDURES FOR OBSERVED RESPONSE OF A SHEAR WALL STRUCTURE.- ASSESSMENT AND RETROFIT OF FULL-SCALE MODELS OF EXISTING RC FRAMES.- DEVELOPMENT OF INTERNET BASED SEISMIC VULNERABILITY ASSESSMENT TOOLS.- A COMPARATIVE STUDY OF DISPLACEMENT, FORCE AND PUSHOVER APPROACHES FOR DESIGN OF CONTINUOUS SPAN BRIDGES.- SEISMIC REHABILITATION USING INFILL WALL SYSTEMS.- SHAKE TABLE EXPERIMENT ON ONE-STORY RC STRUCTURE WITH AND WITHOUT MASONRY INFILL.- OPPORTUNITIES AND CHALLENGES OF MODERN CONCRETE TECHNOLOGY INEARTHQUAKE HAZARD MITIGATION.- SHAKING TABLE TESTS OF SCALED RC FRAME MODELS FOR INVESTIGATION OF VALIDITY AND APPLICABILITY OF DIFFERENT RETROFITTING TECHNIQUES.- ANALYSIS OF INFILLED REINFORCED CONCRETE FRAMES STRENGTHENED WITH FRPS.- TENSILE CAPACITIES OF CFRP ANCHORS.- USING A DISPLACEMENT-BASED APPROACH FOR EARTHQUAKE LOSS ESTIMATION.- NONLINEAR DRIFT DEMANDS ON MOMENT-RESISTING STIFF FRAMES.- THE SEISMIC WELL-BEING OF BUILDINGS: DIAGNOSTICS AND REMEDIES.
Riassunto
Earthquakes affecting urban areas can lead to catastrophic situations and hazard mitigation requires preparatory measures at all levels. Structural assessment is the diagnosis of the seismic health of buildings. Assessment is the prelude to decisions about rehabilitation or even demolition. The scale of the problem in dense urban settings brings about a need for macro seismic appraisal procedures because large numbers of existing buildings do not conform to the increased requirements of new earthquake codes and specifications or have other deficiencies. It is the vulnerable buildings - liable to cause damage and loss of life - that need immediate attention and urgent appraisal in order to decide if structural rehabilitation and upgrading are feasible. Current economic, efficient and occupant-friendly rehabilitation techniques vary widely and include the application either of precast concrete panels or layers, strips and patches of fiber reinforced polymers (FRP) in strategic locations. The papers in this book, many by renowned authorities in earthquake engineering, chart new and vital directions of research and application in the assessment and rehabilitation of buildings in seismic regions. While several papers discuss the probabilistic prediction and quantification of structural damage, others present approaches related with the in-situ and occupant friendly upgrading of buildings and propose both economical and practical techniques to address the problem.
Testo aggiuntivo
From the reviews:
"The papers in this book, which constitute the proceedings of the NATO Science for Peace Workshop on Advances in Earthquake Engineering for Urban Risk Reduction … chart new directions of research and application in the assessment and rehabilitation of buildings in seismically active regions, with an emphasis on dense, urban settings. … The intended audience includes earthquake engineers, building officials and contractors, municipal authorities, and graduate students." (Natural Hazards Observer, March, 2007)
Relazione
From the reviews:
"The papers in this book, which constitute the proceedings of the NATO Science for Peace Workshop on Advances in Earthquake Engineering for Urban Risk Reduction ... chart new directions of research and application in the assessment and rehabilitation of buildings in seismically active regions, with an emphasis on dense, urban settings. ... The intended audience includes earthquake engineers, building officials and contractors, municipal authorities, and graduate students." (Natural Hazards Observer, March, 2007)
