Steel footbridge suspended and supported in an eccentric arc in Orense, Spain
DOI:
https://doi.org/10.3989/ic.2007.v59.i508.582Keywords:
footbridge, steel, torsion, aesthetic, light, slender, structure, design, constructionAbstract
The article explains the design and project of a steel footbridge, suspended and supported by an eccentric arc, situated in Orense.
The footbridge, known as “Bellour”, has a main span of 20 meters, with a leaned steel eccentric arc that supports the deck.
The deck was designed with a uniform slope of 8%, due the difference of level between each end. It is suspended from the arc in the Orense side and supported in the other boarder, because of the headway limitations.
The deck is 2,80 meters wide. The cross section is composed of a steel eccentric tube with steel cantilever beams, of variable depth, and is joined at the other edge to a small steel tube. The pedestrian zone is narrower than the board, leaving individual empty spaces at both sides, and is constituted by a structural concrete slab of 7 centimeters thick and 2 meters wide, linked to the deck top sheet, with a steel profiles.
The board was designed with a structural skeleton, spine shaped, suspended or supported from the arc, and it´s joined to the skin, a rough concrete surface that avoids frost and slides due to the rain.
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(1) A. González Serrano, J. Besiga Díaz-Blanco, E. Mitchell Esclusa: «Pasarela atirantada “ El Velero “, en La Coruña» (A stayed footbridge in La Coruña, Spain), Informes de la Construcción, Vol. 53, nº 473, mayo-junio 2001.
(2) A. González Serrano, J. Besiga Díaz-Blanco, R. López Escapa, F. Blanco: «Pasarela peatonal atirantada en la carretera de acceso a la Universidad de Vigo » (Stayed footbridge in Vigo crosses the main to the university), Informes de la Construcción, Vol. 51, nº 461, mayo-junio 1999.
(3) A. González Serrano, J. Besiga Díaz-Blanco, E. Mitchell Esclusa: «Pasarela atirantada “La Rosa” en La Coruña» (A stayed footbridge “The Rose” in Corunna, Spain), Revista de Obras Públicas, nº 3.443, año 151, abril 2004.
(4) «IX Premio Internacional Puente de Alcántara» «Pasarela metálica atirantada “La Rosa”», Revista de Obras Públicas, nº 3.461, año 152, diciembre 2005.
(5) A. González Serrano, J. Besiga Díaz-Blanco: « Pasarela Metálica Atirantada ´’Agro” en Arteixo (La Coruña» (A metallic stayed footbridge “Agro” in Arteixo. La Coruña (Spain), Revista de Obras Públicas, nº 3.474, año 154, febrero 2007.
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