Comparative analysis of normative provisions for seismic design and detailing of reinforced concrete structures

  • RODRIGUES R
  • MAZZILLI C
  • BITTENCOURT T
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Abstract

Abstract The main objective of this work is to carry out a comparative analysis between the methods and provisions of the Brazilian code ABNT NBR 15421:2006 and those of the ASCE/SEI 7 and the Eurocode 8, on the seismic design of structures. The similarities and differences between these standards, as far as the application of the Equivalent Lateral Forces method (ELFM) and the Response Spectrum method (RSM) are concerned, will be addressed. The responses will be evaluated for a case study that will be modelled by the SCIA Engineer 17 software. This paper also presents some comments on the detailing of reinforced concrete structures to ensure a good performance under seismic loading, allowing for a more favourable interpretation of the seismic analysis results.Resumo O objetivo principal deste trabalho é fazer uma análise comparativa entre os métodos e considerações da norma brasileira ABNT NBR 15421:2006 e as provisões do ASCE/SEI 7 e do Eurocódigo 8, quanto ao dimensionamento sísmico de estruturas. São verificadas as similaridades e as diferenças entre as instruções normativas, quanto à aplicação do Método das Forças Equivalentes (MFE) e do Espectro de Resposta (MER). Os resultados serão avaliados por meio de um estudo de caso que será processado com auxílio do programa computacional SCIA Engineer 17. O artigo também apresenta alguns comentários sobre o detalhamento de estruturas de concreto armado que visam a garantir um bom desempenho sísmico, possibilitando uma interpretação mais favorável dos resultados sísmicos analisados.

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APA

RODRIGUES, R. A., MAZZILLI, C. E. N., & BITTENCOURT, T. N. (2019). Comparative analysis of normative provisions for seismic design and detailing of reinforced concrete structures. Revista IBRACON de Estruturas e Materiais, 12(5), 1220–1247. https://doi.org/10.1590/s1983-41952019000500013

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