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Considering the effects of earthquakes occurred during the last 15 years, this article focusses on finding solutionsto minimize the human and economic losses. Several methodologies were developed in order to assess the vulnerabilityof the built environment with special reference to one of the most suitable structural systems in seismic areas fordwellings, offices or other functionalities, which is the reinforced concrete framed structure. Thus, the present article studiesthe influence on the vulnerability of reinforced concrete framed structures of geometric structural characteristics likethe slab thickness, the building height and the plan configuration. Referring to the slab, it adds supplementary stiffness tothe structure that can significantly influence upon its overall failure mechanism. 3D static nonlinear analyses are conductedby means of the SAP2000 computer program. The results are capacity curves which are used to develop the vulnerabilitycurves. Three thicknesses are considered for the slab: 0.1 cm, 0.12 cm and 0.15 m. Medium and high rise structuresare considered, with 4, and 8 levels, respectively, in order to determine the influence of the building height on thevulnerability index. Three plan configurations of the buildings are compared: a square one, a rectangular one and an Lshaped one. For all the analyzed cases, the corresponding vulnerability curves are compared. The obtained results revealthat more realistic results for the behavior of the structure can be obtained if special attention is given to the structuralcharacteristics, especially during the conceptual design process.

Vulnerability Assessment of Reinforced Concrete Framed Structures Considering the Effect of Structural Characteristics