A Review on Earthquake Vulnerability Assessment (original) (raw)

Majority of human beings live in earthquake prone areas. Earthquake causes significant loss of life and damage of property every year. It is required to identify the damage of a structure caused due to varying ground motion intensities. This identification results will help an engineer to take necessary action against the after-effects of an earthquake. The vulnerability of a structure has to be found out under various ground motion intensity measures (IM) such as Peak Ground Acceleration (PGA). From this, fragility curves can be developed. Fragility analysis is a probabilistic approach, which is commonly used now-a-days. As per this method, different Damage states (DS) have to be defined and then probable damage of the structure in connection with the IM can be found. Fragility curves are generated from multiple Incremental Dynamic Analysis or IDA curves with the help of traditional curve fitting technique.