The bridge forms part of the future motorway between Luanda and Lobito and it crosses the Queve River, approximately 15km south of Porto Ambo\u00edm in Angola.<\/p>\n
The bridge is a full suspension cable stayed bridge with a semi-fan arrangement of stays. The length of the main span of the bridge is 248m with the two side spans being 108m each. The northern approach viaduct is 63m long and the southern viaduct 448m long, with current spans of 35m. Together with the approach viaducts it forms a totally continuous structure 975m long with only two expansion joints located at the abutments.<\/p>\n
The concrete pylons are \u201cA\u201d shaped and approximately 75m high. The foundation soils are composed of alluvial deposits of loamy sand and clay with variable thickness, up to a depth of 75m over a substrate constituted by hard clay formations. The foundation piles will have a maximum diameter of 1.50m (due to local market\/economic circumstances).
\nThe deck has a maximum 28m width with two longitudinal, solid reinforced, prestressed concrete beams. The two beams are connected transversely by the reinforced concrete top slab and by steel cross-beams placed every 4m.<\/p>\n
The stays are arranged in two planes of 60 pairs of cables, comprising of bundles of individual prestressed steel strands. These cross the pylons through saddles, with the exception of the first two stays where traditional anchorages are used.<\/p>\n
The entire structure will be cast \u201cin situ\u201d.<\/p>\n
The construction Tender is expected to be launched in the near future.<\/p>\n","protected":false},"featured_media":0,"template":"","categories":[],"tags":[],"class_list":["post-5257","projectos","type-projectos","status-publish","hentry"],"acf":{"localizacao":"Luanda-Lobito Road | Angola | 2009 (design)","imagem_hp_destaque":{"ID":4095,"id":4095,"title":"P319_Projeto_280x320","filename":"P319_Projeto_280x320.png","filesize":170527,"url":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/P319_Projeto_280x320.png","link":"https:\/\/www.arito.com.pt\/en\/projectos\/ponte-sobre-o-rio-queve-em-porto-amboim\/p319_projeto_280x320\/","alt":"","author":"12","description":"","caption":"","name":"p319_projeto_280x320","status":"inherit","uploaded_to":1518,"date":"2021-06-28 19:52:50","modified":"2021-06-28 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I Bienal Iberoamericana de Arquitectura e Ingenier\u00eda Civi<\/strong><\/p>\n Pr\u00e9mio atribu\u00eddo a obras que se distinguem na sua concep\u00e7\u00e3o ou realiza\u00e7\u00e3o, pelo seu valor formal, esfor\u00e7o inovador, resposta social e respeito ambiental. Em 1998, de entre as 90 obras de engenharia seleccionadas a partir das 150 apresentadas pelos 13 pa\u00edses concorrentes, foi atribu\u00eddo \u00e0 Ponte Miguel Torga sobre o rio Douro, o Pr\u00e9mio de Engenharia Civil pela sua inova\u00e7\u00e3o e dificuldade tecnol\u00f3gica.<\/p>\n","ganhou_premio":false,"premio_titulo":"PR\u00c9MIO DE INGENIER\u00cdA CIVIL","premio_image":{"ID":1272,"id":1272,"title":"premio2_Ibeinaliberoamericana","filename":"premio2_Ibeinaliberoamericana.png","filesize":108540,"url":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/premio2_Ibeinaliberoamericana.png","link":"https:\/\/www.arito.com.pt\/en\/projectos\/ponte-sobre-o-rio-arade\/premio2_ibeinaliberoamericana\/","alt":"","author":"12","description":"","caption":"","name":"premio2_ibeinaliberoamericana","status":"inherit","uploaded_to":283,"date":"2020-11-11 12:19:15","modified":"2020-11-11 12:19:15","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.arito.com.pt\/wp-includes\/images\/media\/default.png","width":234,"height":376,"sizes":{"thumbnail":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/premio2_Ibeinaliberoamericana-150x150.png","thumbnail-width":150,"thumbnail-height":150,"medium":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/premio2_Ibeinaliberoamericana-187x300.png","medium-width":187,"medium-height":300,"medium_large":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/premio2_Ibeinaliberoamericana.png","medium_large-width":234,"medium_large-height":376,"large":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/premio2_Ibeinaliberoamericana.png","large-width":234,"large-height":376,"1536x1536":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/premio2_Ibeinaliberoamericana.png","1536x1536-width":234,"1536x1536-height":376,"2048x2048":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/premio2_Ibeinaliberoamericana.png","2048x2048-width":234,"2048x2048-height":376}},"enquadramento":"q1","mapa_pin":" Queve River Bridge at Porto Ambo\u00edm<\/p>\n Luanda-Lobito Road | Angola<\/p>\n","imagem_hp_destaque_c\u00f3pia":false,"imagem_hp_destaque_c\u00f3pia2":{"ID":3428,"id":3428,"title":"Queve_Projeto","filename":"Queve_Projeto.jpg","filesize":203453,"url":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/Queve_Projeto.jpg","link":"https:\/\/www.arito.com.pt\/en\/projectos\/ponte-sobre-o-rio-queve-em-porto-amboim\/queve_projeto\/","alt":"","author":"12","description":"","caption":"","name":"queve_projeto","status":"inherit","uploaded_to":1518,"date":"2021-04-29 18:28:10","modified":"2021-04-29 18:28:10","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.arito.com.pt\/wp-includes\/images\/media\/default.png","width":851,"height":920,"sizes":{"thumbnail":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/Queve_Projeto-150x150.jpg","thumbnail-width":150,"thumbnail-height":150,"medium":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/Queve_Projeto-278x300.jpg","medium-width":278,"medium-height":300,"medium_large":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/Queve_Projeto-768x830.jpg","medium_large-width":768,"medium_large-height":830,"large":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/Queve_Projeto.jpg","large-width":800,"large-height":865,"1536x1536":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/Queve_Projeto.jpg","1536x1536-width":851,"1536x1536-height":920,"2048x2048":"https:\/\/www.arito.com.pt\/wp-content\/uploads\/2020\/11\/Queve_Projeto.jpg","2048x2048-width":851,"2048x2048-height":920}}},"_links":{"self":[{"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/projectos\/5257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/projectos"}],"about":[{"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/types\/projectos"}],"version-history":[{"count":2,"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/projectos\/5257\/revisions"}],"predecessor-version":[{"id":5286,"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/projectos\/5257\/revisions\/5286"}],"wp:attachment":[{"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/media?parent=5257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/categories?post=5257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arito.com.pt\/en\/wp-json\/wp\/v2\/tags?post=5257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}