{"id":16223,"date":"2024-09-30T09:24:37","date_gmt":"2024-09-30T09:24:37","guid":{"rendered":"https:\/\/teixeiraduarteconstrucao.com\/?post_type=tm_portfolio&p=16223"},"modified":"2024-09-30T09:24:37","modified_gmt":"2024-09-30T09:24:37","slug":"bridge-over-sado-river","status":"publish","type":"tm_portfolio","link":"https:\/\/teixeiraduarteconstrucao.com\/en\/projects\/bridge-over-sado-river\/","title":{"rendered":"Bridge Over Sado River"},"content":{"rendered":"

BRIDGE OVER SADO RIVER<\/span><\/h1>\n

Client<\/strong>: Brisa \u2013 Auto-Estradas de Portugal, S.A.
\nLocation<\/strong>: Alc\u00e1cer do Sal \u2013 Portugal
\nConclusion Year<\/strong>: 1999<\/p>\n

 <\/p>\n

Contract Design \/ Build for the bridge over Sado river and access viaduct, integrated in the sub-section <\/span>Alc\u00e1cer<\/span> do Sal \/ <\/span>Gr\u00e2ndola<\/span> (North), <\/span>A2<\/span> \u2013 South Motorway, Portugal.<\/span><\/span>\u00a0<\/span>
<\/span>The viaduct is composed of 2 decks structurally independent, in reinforced concrete longitudinally prestressed, with a length of approximately 1.450 meters and a width of 37,20 meters, with spans of 44 meters.<\/span><\/span>\u00a0<\/span>
<\/span>The bridge over Sado river has two prestressed reinforced concrete twin decks, each with a section of plain caisson. Its structures have 3 spans with 80+135+75=290 meters.<\/span><\/span>\u00a0<\/span>
<\/span>The double deck also has a total width of 37,20 meters, which corresponds to 18,5 meters each.<\/span><\/span>\u00a0<\/span>
<\/span>The main structure of the caissons has a<\/span>n<\/span> external width ranging from 9,80 meters to 1,20 meters, and a variable height ra<\/span>n<\/span>ging from 3,60 meters at half span to 8,0 meters over the piers.<\/span><\/span>\u00a0<\/span>
<\/span>The abutments are of traditional type, being the north abutment in closed vault and the south one sacrificial. The foundations, except for the north abutment, are deep foundations, the piles <\/span>of the bridge with \u00d8 2000 and \u00d8 2500 and the viaduct ones \u00d8 1500.<\/span><\/span>\u00a0<\/span>
<\/span>The piles reach a depth of 55 meters, both in the bridge and in the viaduct.<\/span><\/span>\u00a0<\/span><\/p>\n

 <\/p>\n