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Diseño y Comparación Económica de una Superestructura de un Puente con Vigas de Hormigón Postensado o con Vigas-Losas-Cajón

Authors: María Belén Correa Vallejo; John Alex Almeida Hernández; Alexis Eduardo Armas Herrera; Luis Tinerfe Hernández Rodríguez; Diego Armando Arévalo Chafuel;

Diseño y Comparación Económica de una Superestructura de un Puente con Vigas de Hormigón Postensado o con Vigas-Losas-Cajón

Abstract

En este artículo se diseñan, comparan técnicamente y evalúan económicamente la superestructura de un puente de 30 metros de luz sin apoyos intermedios usando dos variantes diferentes. En un caso se utiliza losa de hormigón armado sobre vigas de hormigón postensado y en la otra vigas y losa unidas integralmente formando una sección cajón. El diseño se hizo siguiendo las normas actuales, tanto internacionales como de Ecuador. Para el puente con losa sobre vigas postensadas se usa una hoja de cálculo desarrollada internamente. Para el puente con viga-losa-cajón, se realiza un prediseño basado en normas y se modela con software especializado. El análisis económico considera los costos actuales de Ecuador para materiales y mano de obra. Se establece un cronograma de actividades con diagramas de Gantt y cronogramas, ajustados a escalas de tiempo iguales para ambos puentes y condiciones similares, garantizando indicadores de comparación coherentes. Se concluye que en base al diseño y análisis económico que se ha realizado para ambas variantes, se ha evidenciado que, para una longitud de 30 m, típica para puentes en la ciudad como pueden ser pasos elevados, el puente losa sobre vigas postensadas representa la mejor opción desde el punto de vista constructivo y económico.

Keywords

TK7885-7895, Computer engineering. Computer hardware, Industrial engineering. Management engineering, superestructura, Comparación económica, T55.4-60.8, TA1-2040, Engineering (General). Civil engineering (General), diseño estructural, hormigón postensado, puentes

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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