{"id":844,"date":"2026-03-04T16:34:22","date_gmt":"2026-03-04T15:34:22","guid":{"rendered":"https:\/\/cointecs.com\/reparacio-de-voladissos-i-forjats-danyats-sistemes-eficacos-per-a-edificis-existent\/"},"modified":"2026-03-30T12:50:05","modified_gmt":"2026-03-30T10:50:05","slug":"reparacio-de-voladissos-i-forjats-danyats-sistemes-eficacos-per-a-edificis-existent","status":"publish","type":"post","link":"https:\/\/cointecs.com\/ca\/reparacio-de-voladissos-i-forjats-danyats-sistemes-eficacos-per-a-edificis-existent\/","title":{"rendered":"Reparaci\u00f3 de voladissos i forjats danyats: sistemes efica\u00e7os per a edificis existent"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les <strong>volades<\/strong> (balcons, cornises, marquesines) i els <strong>forjats<\/strong> s\u00f3n elements especialment vulnerables en edificis existents. Estan exposats a humitat, canvis t\u00e8rmics, carbonataci\u00f3 i sobrec\u00e0rregues, cosa que pot provocar fissuraci\u00f3, despreniments i p\u00e8rdua de capacitat estructural. <\/p>\n\n<p class=\"wp-block-paragraph\">Actuar a temps no nom\u00e9s evita riscos per a les persones, sin\u00f3 que redueix costos i perllonga la vida \u00fatil de l&#8217;immoble.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Principals patologies en voladissos i forjats<\/h2>\n\n<p class=\"wp-block-paragraph\">En edificis existents, els danys m\u00e9s habituals s\u00f3n:<\/p>\n\n<h3 class=\"wp-block-heading\">1. Corrosi\u00f3 d&#8217;armadures<\/h3>\n\n<p class=\"wp-block-paragraph\">La carbonataci\u00f3 o penetraci\u00f3 d&#8217;aigua redueixen la protecci\u00f3 alcalina del formig\u00f3 i provoquen oxidaci\u00f3 de l&#8217;acer.<\/p>\n\n<h3 class=\"wp-block-heading\">2. Despreniments (spalling)<\/h3>\n\n<p class=\"wp-block-paragraph\">L&#8217;expansi\u00f3 de l&#8217;acer rovellat fractura el recobriment i genera caiguda de fragments.<\/p>\n\n<h3 class=\"wp-block-heading\">3. Fisuraci\u00f3 estructural<\/h3>\n\n<p class=\"wp-block-paragraph\">Pot ser degut a sobrec\u00e0rregues, fletxes excessives o p\u00e8rdua de secci\u00f3 resistent.<\/p>\n\n<h3 class=\"wp-block-heading\">4. Deformacions excessives<\/h3>\n\n<p class=\"wp-block-paragraph\">A volades, la p\u00e8rdua de rigidesa pot generar fletxes visibles i sensaci\u00f3 d&#8217;inseguretat.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Fase clau: diagn\u00f2stic estructural<\/h2>\n\n<p class=\"wp-block-paragraph\">Abans d&#8217;intervenir, \u00e9s imprescindible fer:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Inspecci\u00f3 visual t\u00e8cnica<\/li>\n\n\n\n<li>Assajos de carbonataci\u00f3<\/li>\n\n\n\n<li>Mesurament de recobriments<\/li>\n\n\n\n<li>Tastes estructurals<\/li>\n\n\n\n<li>Avaluaci\u00f3 de c\u00e0rregues reals<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Un diagn\u00f2stic incorrecte pot portar a solucions ineficaces o sobredimensionades.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Sistemes efica\u00e7os de reparaci\u00f3<\/h2>\n\n<h3 class=\"wp-block-heading\">1. Reparaci\u00f3 del formig\u00f3 i tractament d&#8217;armadures<\/h3>\n\n<p class=\"wp-block-paragraph\">Quan el dany \u00e9s superficial o moderat:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Eliminaci\u00f3 del formig\u00f3 deteriorat<\/li>\n\n\n\n<li>Neteja mec\u00e0nica de l&#8217;acer<\/li>\n\n\n\n<li>Aplicaci\u00f3 de passivadors anticorrosi\u00f3<\/li>\n\n\n\n<li>Reconstrucci\u00f3 amb morters estructurals<\/li>\n\n\n\n<li>Segellat i impermeabilitzaci\u00f3 final<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">\u00c9s una soluci\u00f3 adequada quan no hi ha p\u00e8rdua significativa de capacitat resistent.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h3 class=\"wp-block-heading\">2. Refor\u00e7 amb fibra de carboni (FRP)<\/h3>\n\n<p class=\"wp-block-paragraph\">Sistema lleuger i poc invasiu ideal per a edificis en \u00fas.<\/p>\n\n<p class=\"wp-block-paragraph\">Avantatges:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Alta resist\u00e8ncia a tracci\u00f3<\/li>\n\n\n\n<li>M\u00ednim augment de pes<\/li>\n\n\n\n<li>R\u00e0pida execuci\u00f3<\/li>\n\n\n\n<li>No requereix grans demolicions<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Especialment efica\u00e7 en volades amb p\u00e8rdua de capacitat a flexi\u00f3.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h3 class=\"wp-block-heading\">3. Refor\u00e7 met\u00e0l\u00b7lic inferior<\/h3>\n\n<p class=\"wp-block-paragraph\">Consisteix en:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Col\u00b7locaci\u00f3 de perfils met\u00e0l\u00b7lics<\/li>\n\n\n\n<li>Creaci\u00f3 d&#8217;estintolaments o suports auxiliars<\/li>\n\n\n\n<li>Instal\u00b7laci\u00f3 de m\u00e8nsules estructurals<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">\u00c9s una soluci\u00f3 robusta quan el deteriorament \u00e9s sever o cal augmentar significativament la capacitat portant.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h3 class=\"wp-block-heading\">4. Recregut estructural (augment de secci\u00f3)<\/h3>\n\n<p class=\"wp-block-paragraph\">En casos greus:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Incorporaci\u00f3 de nova armadura<\/li>\n\n\n\n<li>Abocament de formig\u00f3 addicional<\/li>\n\n\n\n<li>Millora substancial de capacitat resistent<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">\u00c9s m\u00e9s invasiu, per\u00f2 pot ser necessari en rehabilitacions profundes.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Intervencions complement\u00e0ries essencials<\/h2>\n\n<p class=\"wp-block-paragraph\">Una reparaci\u00f3 efica\u00e7 no acaba al renfort. \u00c9s fonamental: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Impermeabilitzar correctament la superf\u00edcie superior<\/li>\n\n\n\n<li>Revisar pendents i drenatges<\/li>\n\n\n\n<li>Segellar juntes i trobades<\/li>\n\n\n\n<li>Instal\u00b7lar goterons en cantells de volad\u00eds<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Moltes fallades reapareixen per no corregir la causa original: l&#8217;aigua.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Factors clau en edificis existents<\/h2>\n\n<p class=\"wp-block-paragraph\">En rehabilitaci\u00f3, hi influeixen aspectes addicionals:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Limitacions d&#8217;acc\u00e9s<\/li>\n\n\n\n<li>Pres\u00e8ncia de ve\u00efns<\/li>\n\n\n\n<li>Compatibilitat amb normativa vigent<\/li>\n\n\n\n<li>Control de c\u00e0rregues durant l&#8217;obra<\/li>\n\n\n\n<li>Minimitzaci\u00f3 de vibracions i mol\u00e8sties<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Cada edifici requereix una soluci\u00f3 personalitzada basada en el c\u00e0lcul estructural.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Beneficis d&#8217;una reparaci\u00f3 adequada<\/h2>\n\n<p class=\"wp-block-paragraph\">\u2714 Eliminaci\u00f3 del risc de despreniments<br\/> \u2714 Recuperaci\u00f3 de seguretat estructural<br\/> \u2714 Increment del valor de l&#8217;immoble<br\/> \u2714 Major durabilitat davant d&#8217;agents agressius<br\/> \u2714 Compliment normatiu en inspeccions t\u00e8cniques<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Conclusi\u00f3<\/h2>\n\n<p class=\"wp-block-paragraph\">La reparaci\u00f3 de voladissos i forjats danyats en edificis existents requereix una combinaci\u00f3 de <strong>diagn\u00f2stic prec\u00eds, t\u00e8cnica adequada i control d&#8217;execuci\u00f3<\/strong> .<\/p>\n\n<p class=\"wp-block-paragraph\">Des de solucions puntuals amb morters estructurals fins a refor\u00e7os amb fibra de carboni o acer, lelecci\u00f3 correcta pot estendre la vida \u00fatil de ledifici durant d\u00e8cades.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les volades (balcons, cornises, marquesines) i els forjats s\u00f3n elements especialment vulnerables en edificis existents. Estan exposats a humitat, canvis t\u00e8rmics, carbonataci\u00f3 i sobrec\u00e0rregues, cosa que pot provocar fissuraci\u00f3, despreniments i p\u00e8rdua de capacitat estructural. Actuar a temps no nom\u00e9s evita riscos per a les persones, sin\u00f3 que redueix costos i perllonga la vida \u00fatil [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":951,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categorizar"],"acf":[],"_links":{"self":[{"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/posts\/844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/comments?post=844"}],"version-history":[{"count":1,"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/posts\/844\/revisions"}],"predecessor-version":[{"id":845,"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/posts\/844\/revisions\/845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/media\/951"}],"wp:attachment":[{"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/media?parent=844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/categories?post=844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cointecs.com\/ca\/wp-json\/wp\/v2\/tags?post=844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}