NUMERICAL EVALUATION OF THE SEISMIC PERFORMANCE OF THIN REINFORCED CONCRETE WALL BUILDINGS REPRESENTATIVE OF THE INDUSTRIALIZED BUILDING SYSTEM
THE INDUSTRIALIZED BUILDING SYSTEM HAS SPECIFIC CHARACTERISTICS THAT SET IT APART FROM THE CONVENTIONAL CONCRETE WALL SYSTEM, NAMELY, A REDUCED WALL THICKNESS, THE USE OF ELECTRO-WELDED WIRE MESH, AND A LACK OF BOUNDARY ELEMENT CONFINEMENT. THESE CONDITIONS HAVE ATTRACTED THE INTEREST OF RESEARCHERS, WHO HAVE DEVELOPED VARIOUS EXPERIMENTAL PROGRAMS TO EVALUATE THE BEHAVIOR OF THESE WALLS. HOWEVER, EVIDENCE ON THE SEISMIC PERFORMANCE OF BUILDINGS REMAINS SCARCE. IN THIS STUDY, THE PERFORMANCE OF 5-, 8- AND 12-STORY BUILDINGS WAS EVALUATED BY NONLINEAR CHRONOLOGICAL ANALYSIS. NUMERICAL MODELS WERE CONSTRUCTED USING THE SHELL LAYERED ELEMENT OF THE ETABS SOFTWARE AND ADJUSTED BASED ON THE RESULTS FROM TESTS OF ISOLATED WALLS AND THE PERIODS OF ONE OF THE BUILDINGS IDENTIFIED IN AN AMBIENT VIBRATION TEST. THE FINDINGS SUGGEST THAT THESE BUILDINGS MAY FAIL TO MEET THE LIFE SAFETY PERFORMANCE LEVEL IN HIGH SEISMIC HAZARD AREAS.
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