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Ingeniería e Investigación
versão impressa ISSN 0120-5609
Resumo
MUSIC TOMICIC, Juan Andrés e SOTO RAMIREZ, Felipe Ignacio. Characterization of High-Rise Reinforced Concrete Buildings Located in Antofagasta, Chile, by Means of Structural Indexes. Ing. Investig. [online]. 2021, vol.41, n.3, e209. Epub 24-Ago-2021. ISSN 0120-5609. https://doi.org/10.15446/ing.investig.v41n3.90430.
This study aims to characterize a series of high-rise reinforced concrete wall buildings located in Antofagasta, Chile, by means of a set of structural indexes commonly used in professional activities in our country and recommended by researchers. To this effect, a total of eight buildings was analyzed, from which, based on their architectural plans and engineering drawings, a series of properties was determined, such as wall and floor area, among others. Additionally, a modal spectral analysis was carried out according to the current Chilean regulations (NCh 433Of.1996Mod.2009 and DS 61) by means of the ETABS software. Next, eleven structural indexes were selected and determined, which are related to stiffness, structural redundancy, and ductility, with the purpose of making a seismic qualification. The obtained values indexes provide information about the expected structural performance of the buildings under a major seismic event. Finally, correlations between the different indexes were established.
Palavras-chave : structural indexes; seismic performance; NCh433Of.1996Mod.2009; DS 61 MINVU.