Yangon is an earthquake-prone region and most of the low-rise to mid-rise residential reinforced concrete buildings are designed for gravity loads only. Therefore, evaluation of seismic vulnerability of buildings is essential in order to predict the probable damages and losses to this type of buildings. Damage assessment and earthquake loss estimation for gravity only design buildings should be performed to predict the damage probabilities and losses under the earthquake loading. In this study, seismic design and gravity design are accomplished for a five-story residential RC building. Nonlinear static pushover analysis is performed using SAP 2000 software and capacity curves and fragility curves are developed for both designs. Damage probability matrices (DPM) are formed for design basic earthquake DBE level and maximum considered earthquake MCE level and the damage states are compared. The expected annual loss of the both designs are evaluated by means of the fragility curves and seismic hazard curve. Expected annual loss (EAL) values are also estimated and compared for both designs for 475 years and 2475 years periods.
Capacity Curve, Fragility Curve, Seismic Hazard Level, Probable Damage States, Expected Annual Loss
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