Ingeniería Civil y Mecánica

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Author: search.filters.author.Vargas Aráuz, Ángela VerónicaSubject: search.filters.subject.CURVA DE CAPACIDAD

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    Evaluación de la vulnerabilidad sísmica de edificaciones de estructuras metálicas en la parroquia Izamba (Zona 3), Ambato, Ecuador. Propuesta de reforzamiento estructural de una edificación representativa
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica. Maestría en Ingeniería Civil con Mención en Estructuras Metálicas, 2023-03) Vargas Aráuz, Ángela Verónica; López Velástegui, Jorge Enrique
    This research work shows the application of the rapid visual inspection methodology according to FEMA P-154, with which it is possible to identify, inventory and examine the possible seismic risks of the buildings evaluated and with this information decide if a detailed structural evaluation is necessary. The seismic vulnerability according to FEMA P-154 is expressed in terms of the probability of collapse of the structure, with this information you can manage contingency plans before and after earthquakes and inform the owner of the building the status and possibility of structural reinforcement. After carrying out the evaluation of the selected buildings, a representative structure was determined located in the Izamba parish of the city of Ambato, which was chosen for its level of importance and based on the results of the previous evaluation. With the data obtained from the rapid visual inspection and the documentation obtained from the representative building, a linear static analysis was carried out, with the application of the Ecuadorian construction standard, to determine the current behavior of the structure according to its efforts, displacements, and maximum permitted drifts. The structural analysis determined that the building presents great flexibility and fails in some members such as beams and columns. As a solution to the problem detected, structural reinforcement was chosen with steel diagonals to increase the rigidity of the structure and incorporate additional structural members that support seismic actions. The research was completed by performing the nonlinear static analysis known as Pushover of the reinforced building, from this analysis the capacity curve is obtained and the probable performance of the structure before the design earthquake can be verified.