{"id":4215,"date":"2017-07-26T18:00:43","date_gmt":"2017-07-26T17:00:43","guid":{"rendered":"http:\/\/extracodev.des2.net\/?p=4215"},"modified":"2017-08-24T20:19:30","modified_gmt":"2017-08-24T19:19:30","slug":"la-rehabilitacion-de-tres-grandes-viaductos-sobre-los-rios-portugueses-criz-y-mondego-a-cargo-de-extraco","status":"publish","type":"post","link":"https:\/\/www.extraco.es\/gl\/sin-categoria\/la-rehabilitacion-de-tres-grandes-viaductos-sobre-los-rios-portugueses-criz-y-mondego-a-cargo-de-extraco\/","title":{"rendered":"A rehabilitaci\u00f3n de tres grandes viadutos sobre os r\u00edos portugueses Criz e Mondego, a cargo de Extraco"},"content":{"rendered":"<p><span style=\"font-family: Calibri;\"><span style=\"color: #000000;\"><strong>Infraestruturas de Portugal<\/strong>, organismo dependente do Minist\u00e9rio de Obras P\u00fablicas, Transportes e Comunica\u00e7\u00f5es, encargou a Extraco un importante contrato para a rehabilitaci\u00f3n estrutural de tres grandes pontes. As obras contemplan concretamente os traballos de reparaci\u00f3n de tres viadutos da estrada nacional EN-234, dous deles sobre o r\u00edo Criz (<strong>Criz I-Ribeira de Breda<\/strong> e <strong>Criz II-Ribeira de Criz<\/strong>) ao seu paso por Santa Comba D\u00e3o, no distrito de Viseu, e un terceiro, a <strong>ponte de S\u00e3o Jo\u00e3o d\u00e1s Areias<\/strong> sobre o r\u00edo Mondego, na localidade de T\u00e1bua, no distrito de Coimbra.<\/span><\/span><\/p>\n<p><span style=\"color: #000000; font-family: Calibri;\">As <strong>pontes Criz I e II<\/strong>, de 180 e 300 metros de lonxitude, respectivamente, foron proxectadas polo enxe\u00f1eiro portugu\u00e9s <strong>Edgar Cardoso<\/strong> e constru\u00eddas entre 1976 e 1979 en formig\u00f3n pretensado con laxas de vigas nos taboleiros. A ponte de <strong>S\u00e3o Jo\u00e3o d\u00e1s Areias<\/strong>, proxectada por este enxe\u00f1eiro na mesma \u00e9poca, cruza a presa de Aguieira, ten 260 metros de lonxitude e \u00e9 de tipolox\u00eda estrutural similar \u00e1s anteriores. Nos tres viadutos detect\u00e1ronse problemas de reacci\u00f3ns expansivas por \u00e1lcalis do formig\u00f3n en varias pilas, polo que se aconsellou a s\u00faa reparaci\u00f3n para evitar riscos.<\/span><\/p>\n<p><span style=\"color: #000000; font-family: Calibri;\">A rehabilitaci\u00f3n que est\u00e1 a levar a cabo Extraco avanza a bo ritmo e incl\u00fae actuaci\u00f3ns de gran complexidade t\u00e9cnica, como a substituci\u00f3n das cimentaci\u00f3ns nalg\u00fans dos piares situados dentro do r\u00edo e da presa. Para iso empr\u00e9ganse pilotes de gran di\u00e1metro con camisas met\u00e1licas perdidas. <\/span><\/p>\n<p><span style=\"color: #000000; font-family: Calibri;\">Os traballos completaranse nos pr\u00f3ximos meses coa substituci\u00f3n dos elementos de apoio dos taboleiros, reforzos en fustes e reparaci\u00f3ns puntuais de patolox\u00edas estruturais e de durabilidade en piares e capiteis, ademais da aplicaci\u00f3n de elementos de protecci\u00f3n do formig\u00f3n. A previsi\u00f3n da empresa \u00e9 que todas as actuaci\u00f3ns nestas pontes estean completamente finalizadas no \u00faltimo trimestre de 2017.<\/span><\/p>\n<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 50%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n<div id='gallery-1' class='gallery galleryid-1831 gallery-columns-2 gallery-size-thumbnail'>\n<dl class='gallery-item'>\n<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-1-150x150.jpg 150w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-1-411x411.jpg 411w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-1-278x278.jpg 278w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n<\/dl>\n<dl class='gallery-item'>\n<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-2.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-2-150x150.jpg 150w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-2-411x411.jpg 411w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-2-278x278.jpg 278w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n<\/dl>\n<p><br style=\"clear: both\" \/><\/p>\n<dl class='gallery-item'>\n<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-3.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-3-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-3-150x150.jpg 150w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-3-411x411.jpg 411w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-3-278x278.jpg 278w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n<\/dl>\n<dl class='gallery-item'>\n<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-4.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-4-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-4-150x150.jpg 150w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-4-411x411.jpg 411w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-4-278x278.jpg 278w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n<\/dl>\n<p><br style=\"clear: both\" \/><\/p>\n<dl class='gallery-item'>\n<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-5.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-5-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-5-150x150.jpg 150w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-5-411x411.jpg 411w, https:\/\/www.extraco.es\/wp-content\/uploads\/2017\/07\/FOTO-5-278x278.jpg 278w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n<\/dl>\n<p>\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Infraestruturas de Portugal, organismo dependente do Minist\u00e9rio de Obras P\u00fablicas, Transportes e Comunica\u00e7\u00f5es, encargou a Extraco un importante contrato para a rehabilitaci\u00f3n estrutural de tres grandes pontes. As obras contemplan concretamente os traballos de reparaci\u00f3n de tres viadutos da estrada nacional EN-234, dous deles sobre o r\u00edo Criz (Criz I-Ribeira de Breda e Criz II-Ribeira [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1832,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-4215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria"],"_links":{"self":[{"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/posts\/4215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/comments?post=4215"}],"version-history":[{"count":0,"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/posts\/4215\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/media\/1832"}],"wp:attachment":[{"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/media?parent=4215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/categories?post=4215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.extraco.es\/gl\/wp-json\/wp\/v2\/tags?post=4215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}