Evaluación del factor de comportamiento de la Norma Ecuatoriana de la Construcción para estructuras metálicas porticadas

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

2 Citas (Scopus)

Resumen

Incremental Dynamic Analysis (IDA) has been applied lately in order to evaluate the maximum lateral strength of buildings under variable seismic intensity. This variation on intensity is achieved by means of the progressive scaling of the amplitudes of the dynamic signal imposed to the models of the buildings. This numerical procedure was used in order to assess the seismic performance, via the assessment of the behavior factor q (used in many seismic codes worldwide) of the recent version of the Ecuadorian Construction Code. Likewise, the used approach is based on the adaptation of the FEMA P-695 Methodology including issues like the seismic input selection and the definition of the collapse threshold. In order to perform the above mentioned assessment, a set of archetypes representatives of the design space have been defined. These archetypes were designed according three different procedures: acceleration-based and displacement-based procedures and an energy-based alternative procedure. Results depict that some of the adopted values for the behavior factor does not fulfill the requirements of the methodology used, so the design is not able to guarantee an adequate performance of the buildings when they withstand destructive earthquakes.

Título traducido de la contribuciónAssesment of the behavior factor prescribed by the Ecuadorian Construction Code for steel framed structures
Idioma originalEspañol
Páginas (desde-hasta)271-279
Número de páginas9
PublicaciónRevista Internacional de Metodos Numericos para Calculo y Diseno en Ingenieria
Volumen33
N.º3-4
DOI
EstadoPublicada - 1 jul 2017

Palabras clave

  • Behavior factor
  • Collapse margin ratio
  • Incremental dynamic analysis
  • Seismic performance

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