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Viabilidad del empleo de hormigón autocompactante en viaductos de hormigón

Authors: Díaz de Terán, José Ramón; Turmo Coderque, José; Ramos Schneider, Gonzalo; Salinas, Santiago; Barragán, Bryan Erick; Mozos, Carlos Manuel; Aparicio Bengoechea, Ángel Carlos;

Viabilidad del empleo de hormigón autocompactante en viaductos de hormigón

Abstract

Además de las vigas prefabricadas, existen dos procedimientos clásicos de construcción de tableros de viaductos de gran longitud y luces medias, uno, el de la construcción vano a vano y otro el del empuje del dintel, bien en sus versiones “in situ”, o bien mediante dovelas prefabricadas. No obstante, a pesar de estar bastante industrializados, su competitividad en cuanto a costes estrictos de implantación se ve perjudicada por los plazos de ejecución requeridos. Siguiendo las fases de hormigonado clásicas de la sección transversal de un puente de hormigón construído vano a vano, el plazo de ejecución de un vano es de dos semanas por vano (una semana por fase). Se ha visto que la posible evolución de estos sistemas constructivos en cuanto a disminución de plazo y, por tanto, de coste de construcción, va en la dirección de construir esquemas autoportantes parciales que permitan avanzar la cimbra o empujar rápidamente un núcleo resistente y completar luego la sección transversal con medios auxiliares más sencillos y fuera de camino crítico. Además, el empleo de hormigones autocompactantes (Self Compacting Convcrete, SCC), de fácil puesta en obra, aumentaría los rendimientos de producción.

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Spain
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Keywords

Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó, empuje, cimbra autolanzable, :Enginyeria civil::Materials i estructures::Materials i estructures de formigó [Àrees temàtiques de la UPC], Viaductes, Formigó autocompacte, construcción vano a vano, Self-consolidating concrete, Viaducts, hormigón autocompactante, viaductos de hormigón

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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!
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