{"id":3246,"date":"2023-01-25T11:25:17","date_gmt":"2023-01-25T11:25:17","guid":{"rendered":"https:\/\/composite-tech.com\/repair-and-rehabilitation-of-concrete-structures-using-frp\/"},"modified":"2024-09-04T13:36:10","modified_gmt":"2024-09-04T13:36:10","slug":"repair-and-rehabilitation-of-concrete-structures-using-frp","status":"publish","type":"post","link":"https:\/\/composite-tech.com\/pt\/2023\/01\/25\/repair-and-rehabilitation-of-concrete-structures-using-frp\/","title":{"rendered":"Reparo e reabilita\u00e7\u00e3o de estruturas de concreto usando FRP"},"content":{"rendered":"<p>Os pol\u00edmeros refor\u00e7ados com fibras continuam a conquistar um mercado global, desbancando materiais tradicionais, tipicamente utilizados para refor\u00e7o em diversos setores. Inicialmente considerado adequado para uma gama limitada de usos pr\u00e1ticos, o PRFV tornou-se foco de estudos te\u00f3ricos e de campo. O resultado \u00e9 a cont\u00ednua <a href=\"\/pt\/2022\/10\/07\/frp-rebar-market-trends-forecast-and-analysis\/\">mercado em expans\u00e3o<\/a> Compartilhamento e aplica\u00e7\u00f5es vers\u00e1teis. Al\u00e9m da aplica\u00e7\u00e3o em engenharia civil, agricultura, ind\u00fastrias qu\u00edmica e farmac\u00eautica, entre outras, as barras de fibra de vidro superam as barras de a\u00e7o na repara\u00e7\u00e3o e adapta\u00e7\u00e3o de objetos de concreto existentes, aumentando sua vida \u00fatil e reduzindo os custos de reabilita\u00e7\u00e3o e manuten\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-x-large-font-size\" id=\"content\">Contente<\/h2>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><nav><ul><li class=\"\"><a href=\"#rehabilitation-of-exhausted-structures\">Reabilita\u00e7\u00e3o de Estruturas Esgotadas <\/a><\/li><li class=\"\"><a href=\"#frp-takeoff\">FRP: Decolagem<\/a><\/li><li class=\"\"><a href=\"#frp-business-perspectives\">Perspectivas de neg\u00f3cios de FRP<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-x-large-font-size\" id=\"rehabilitation-of-exhausted-structures\"><strong style=\"0color: #f05a1a\\&quot;;\">Reabilita\u00e7\u00e3o de Estruturas Esgotadas <\/strong><\/h2>\n\n\n\n<p>Refor\u00e7adas com barras de ferro tradicionais, todas as constru\u00e7\u00f5es de concreto devem ser mantidas e reparadas para garantir confiabilidade e seguran\u00e7a. \u00c0 medida que a infraestrutura existente envelhece, ela requer uma reabilita\u00e7\u00e3o completa, que inclui reparos, manuten\u00e7\u00e3o, inspe\u00e7\u00e3o e moderniza\u00e7\u00e3o.<br>Por exemplo, al\u00e9m da manuten\u00e7\u00e3o regular, todas as pontes precisam de reparos. O aspecto fundamental dos reparos estruturais \u00e9 a restri\u00e7\u00e3o de carga para a maioria das constru\u00e7\u00f5es de concreto. O mesmo se aplica \u00e0 maioria das constru\u00e7\u00f5es deterioradas que precisam de reparos. A principal causa da degrada\u00e7\u00e3o \u00e9 a ferrugem constante das armaduras de a\u00e7o. A reabilita\u00e7\u00e3o com barras de ferro \u00e9 cara e exige acompanhamento constante. \u00c9 nesse momento que os materiais de PRFV ganham destaque.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a0a64f50656c&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a0a64f50656c\" class=\"wp-block-image alignwide size-large wp-lightbox-container\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"374\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/close-up-view-of-reinforcement-of-concrete-with-me-2022-11-12-10-38-30-utc-1024x374.jpg\" alt=\"Reabilita\u00e7\u00e3o de estruturas de concreto utilizando vergalh\u00f5es de PRFV\" class=\"wp-image-4336\" srcset=\"https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/close-up-view-of-reinforcement-of-concrete-with-me-2022-11-12-10-38-30-utc-1024x374.jpg 1024w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/close-up-view-of-reinforcement-of-concrete-with-me-2022-11-12-10-38-30-utc-300x110.jpg 300w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/close-up-view-of-reinforcement-of-concrete-with-me-2022-11-12-10-38-30-utc-768x281.jpg 768w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/close-up-view-of-reinforcement-of-concrete-with-me-2022-11-12-10-38-30-utc-18x7.jpg 18w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/close-up-view-of-reinforcement-of-concrete-with-me-2022-11-12-10-38-30-utc.jpg 1220w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Ampliar\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-x-large-font-size\" id=\"frp-takeoff\"><strong style=\"0color: #f05a1a\\&quot;;\">FRP: Decolagem<\/strong><\/h2>\n\n\n\n<p>As principais qualidades do FRP, sigla para \u201cPol\u00edmero Refor\u00e7ado com Fibra\u201d, que o tornam um material preferido:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Estabilidade \u00e0 corros\u00e3o.<\/strong> Se o ferro for suscet\u00edvel a ataques corrosivos, enferrujar e perder suas propriedades com o passar do tempo, isso resultar\u00e1 na degrada\u00e7\u00e3o gradual das constru\u00e7\u00f5es refor\u00e7adas com barras de ferro. Produtos comp\u00f3sitos s\u00e3o resistentes \u00e0 corros\u00e3o, o que significa maior vida \u00fatil das estruturas de concreto refor\u00e7adas com PRFV em ambientes agressivos.<\/li>\n\n\n\n<li><strong>Resist\u00eancia \u00e0 tra\u00e7\u00e3o superior.<\/strong> As fibras empregadas em pol\u00edmeros comp\u00f3sitos garantem maior resist\u00eancia, al\u00e9m de melhor resist\u00eancia \u00e0 fissura\u00e7\u00e3o. Estudos recentes confirmaram a maior resist\u00eancia \u00e0 tra\u00e7\u00e3o das barras de a\u00e7o compostas (1000 MPa) em compara\u00e7\u00e3o \u00e0s barras de a\u00e7o (550 MPa).<\/li>\n\n\n\n<li><strong>Toler\u00e2ncia a ataques qu\u00edmicos e altas temperaturas.<\/strong> Os aditivos usados durante a fabrica\u00e7\u00e3o do comp\u00f3sito de FRP aumentam a resist\u00eancia a altas temperaturas e produtos qu\u00edmicos (especificamente, aos \u00edons cloreto) do produto final, resultando em eros\u00e3o mais lenta da estrutura.<\/li>\n\n\n\n<li><strong>Efici\u00eancia de custos.<\/strong> A rela\u00e7\u00e3o custo-benef\u00edcio do uso de vergalh\u00f5es de FRP em vez de barras de ferro se baseia na maior durabilidade e no menor peso (menores custos de transporte e instala\u00e7\u00e3o).<\/li>\n<\/ul>\n\n\n\n<p>Materiais antiferrugem, como telas e vergalh\u00f5es de PRFV, s\u00e3o cada vez mais usados como alternativas de refor\u00e7o para a reabilita\u00e7\u00e3o de projetos de engenharia civil e industrial, por exemplo, reformas s\u00edsmicas de todos os tipos de constru\u00e7\u00f5es, incluindo instala\u00e7\u00f5es de armazenamento, mancais de pontes, estruturas mar\u00edtimas, esta\u00e7\u00f5es de tratamento de \u00e1gua e, particularmente, unidades m\u00e9dicas contendo equipamentos de resson\u00e2ncia magn\u00e9tica.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a0a64f506c54&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a0a64f506c54\" class=\"wp-block-image alignwide size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"374\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/worker-with-crane-installing-prefabricated-concret-2021-08-26-15-27-58-utc-1024x374.jpg\" alt=\"Reparo de estruturas de concreto usando FRP, Composite\" class=\"wp-image-4337\" srcset=\"https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/worker-with-crane-installing-prefabricated-concret-2021-08-26-15-27-58-utc-1024x374.jpg 1024w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/worker-with-crane-installing-prefabricated-concret-2021-08-26-15-27-58-utc-300x110.jpg 300w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/worker-with-crane-installing-prefabricated-concret-2021-08-26-15-27-58-utc-768x281.jpg 768w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/worker-with-crane-installing-prefabricated-concret-2021-08-26-15-27-58-utc-18x7.jpg 18w, https:\/\/composite-tech.com\/wp-content\/uploads\/2024\/04\/worker-with-crane-installing-prefabricated-concret-2021-08-26-15-27-58-utc.jpg 1220w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Ampliar\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p>Os materiais FRP demonstram imenso potencial para <a href=\"\/pt\/2022\/05\/02\/frp-rebars-areas-of-applications\/\">uso em muitos campos<\/a>. Econ\u00f3micos, requerem manuten\u00e7\u00e3o m\u00ednima \u2014 estas propriedades incentivam a implementa\u00e7\u00e3o de <a href=\"\/pt\/products\/\">Produtos de FRP<\/a> (telas e barras) para adapta\u00e7\u00e3o de estruturas. Outra vantagem significativa dos comp\u00f3sitos \u00e9 que suas caracter\u00edsticas podem ser ajustadas para atender a requisitos espec\u00edficos: uma variedade de resinas empregadas em matrizes polim\u00e9ricas aprimora algumas propriedades necess\u00e1rias para aplica\u00e7\u00f5es avan\u00e7adas.<\/p>\n\n\n\n<p>Um aspecto importante a ser observado \u00e9 a sustentabilidade dos comp\u00f3sitos refor\u00e7ados com fibras e a <a href=\"\/pt\/2024\/02\/26\/frp-rebar-manufacturing-process\/\">Processo de fabrica\u00e7\u00e3o de FRP<\/a> em compara\u00e7\u00e3o com a produ\u00e7\u00e3o convencional de barras de a\u00e7o. A redu\u00e7\u00e3o das emiss\u00f5es atmosf\u00e9ricas contribui consideravelmente para a <a href=\"\/pt\/2022\/11\/05\/environmental-performance-of-frp\/\">prote\u00e7\u00e3o ambiental<\/a> movimento focado em tomar medidas contra o aquecimento global e as mudan\u00e7as clim\u00e1ticas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-x-large-font-size\" id=\"frp-business-perspectives\"><strong style=\"0color: #f05a1a\\&quot;;\">Perspectivas de neg\u00f3cios de FRP<\/strong><\/h2>\n\n\n\n<p>A fabrica\u00e7\u00e3o de PRFV \u00e9 definitivamente uma ind\u00fastria com um futuro brilhante. Inicialmente, muitas empresas buscam vergalh\u00f5es compostos ou de fibra de vidro de alta qualidade para comprar; posteriormente, a maioria das empresas estabelecidas decide comprar um <a href=\"\/pt\/frp-production-lines\/\">Linha de produ\u00e7\u00e3o de FRP<\/a>A Composite-Tech \u00e9 uma fabricante renomada de uma ampla gama de comp\u00f3sitos pultrudados e solu\u00e7\u00f5es de neg\u00f3cios baseadas em FRP, incluindo produtos finais de FRP (vergalh\u00f5es de GFRP) e linhas de produ\u00e7\u00e3o de FRP. <a href=\"\/pt\/contacts\/\">Entre em contato conosco hoje<\/a>, e voc\u00ea receber\u00e1 seu produto pronto para instalar <a href=\"\/pt\/professional-frp-rebar-production-line\/\">Linha de produ\u00e7\u00e3o de vergalh\u00f5es de GFRP<\/a> dentro de 3 meses.<\/p>","protected":false},"excerpt":{"rendered":"<p>Os pol\u00edmeros refor\u00e7ados com fibras continuam conquistando um mercado global, desbancando materiais tradicionais normalmente usados para refor\u00e7o em v\u00e1rios setores.<\/p>","protected":false},"author":2,"featured_media":4335,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13],"tags":[],"class_list":["post-3246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/posts\/3246","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/comments?post=3246"}],"version-history":[{"count":0,"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/posts\/3246\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/media\/4335"}],"wp:attachment":[{"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/media?parent=3246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/categories?post=3246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/composite-tech.com\/pt\/wp-json\/wp\/v2\/tags?post=3246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}