Evaluation of seismic vulnerability of existing reinforced concrete structure by non-iterative spectral method using Pushover analysis with interpretation of fragility curves by RISK UE

kamal gueraoui(1*)

(1) , Morocco
(*) Corresponding author

DOI's assignment:
The DOI number for this article will be assigned as soon as the final version of the IRECE Vol 8, No 4 (2017) issue will be available


The prediction of the behavior of an existing structure against an earthquake and prior knowledge of the level of damage can endure seeing decisive, especially when it comes to listed buildings of vital importance and public utility for the population such as hospitals. They are called to ensure the continuity of the functionality of their services with minor or no damage, especially in the case of calamity or serious earthquake disaster genre. The present work consists of assessing seismic vulnerability of a clinic in Agadir, Morocco city, reputed for its high seismicity, using the non-iterative spectral method. Firstly, we will use a Pushover analysis by modeling the structure in the SAP 2000. Then, the capacity curve of the substructure of the building, thus obtained, will be transformed to ADRS format (Acceleration, Displacement, Response Spectral), then it will be overlaid with the inelastic response spectrum of the considered site, which converted to AD Format (Acceleration Displacement), according to the  RPS 2011[1] (revised) in order to determine the performance point. Finally, we will proceed to the interpretation of fragility curves according to RISK -UE [2], to deduce the vulnerability.
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Non-iterative method, Pushover analysis, capacity curve, inelastic response spectrum, performance point, fragility curves and vulnerability


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