Demanda flexional en columnas: comparación entre INPRES-CIRSOC 103 y ACI 318 en estructuras dúctiles
DOI:
https://doi.org/10.33414/rtyc.54.20-36.2025Palabras clave:
diseño por capacidad, INPRES-CIRSOC 103, ACI-318, demanda flexional, jerarquía de resistencias, estructuras sismorresistentesResumen
Este estudio compara la demanda flexional en columnas según las normas INPRES-CIRSOC 103 y ACI 318, evaluando su impacto en el diseño estructural sismorresistente. Mientras que el ACI 318 emplea un enfoque simplificado, el INPRES-CIRSOC 103 introduce factores como la amplificación dinámica y la reducción de momentos en columnas, permitiendo una estimación más precisa, pero con mayor complejidad computacional.
A través de un estudio paramétrico en edificios de 4, 6 y 8 niveles, se identificó que el ACI 318 puede subestimar la demanda en columnas, comprometiendo la jerarquía de resistencias. En contraste, el INPRES-CIRSOC 103 proporciona valores más elevados de ηc, mejorando la seguridad estructural.
Los resultados sugieren que la elección normativa debe equilibrar precisión y aplicabilidad, considerando el nivel de sismicidad de la región y la facilidad de implementación en el diseño estructural.
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Derechos de autor 2025 Cristian Otto Bay, Gustavo Palazzo, Ricardo Bassotti
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.
