{"id":701,"date":"2023-09-12T18:01:52","date_gmt":"2023-09-12T18:01:52","guid":{"rendered":"https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/?p=701"},"modified":"2025-07-31T02:06:04","modified_gmt":"2025-07-31T02:06:04","slug":"tubos-concreto","status":"publish","type":"post","link":"https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/press-releases\/tubos-concreto\/","title":{"rendered":"Tubos de concreto para saneamento"},"content":{"rendered":"\n<p>Os tubos de concreto s\u00e3o os elementos mais utilizados em obras de drenagem de \u00e1guas pluviais e esgotos sanit\u00e1rios. Por isso, conhecer as premissas do projeto, as especifica\u00e7\u00f5es para seu dimensionamento e os cuidados para sua aplica\u00e7\u00e3o garante o funcionamento e durabilidade das obras.<\/p>\n\n\n\n<p>A primeira etapa da obra de saneamento \u00e9 seu <strong>projeto hidr\u00e1ulico<\/strong>, que estipula caracter\u00edsticas relativas \u00e0 vaz\u00e3o, declividade da rede, di\u00e2metro do tubo, sua loca\u00e7\u00e3o em planta, entre outras medidas.<\/p>\n\n\n\n<p>Os coletores de esgoto, interceptores e emiss\u00e1rios s\u00e3o projetados para funcionar como condutos livres.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"872\" height=\"413\" src=\"https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-15.jpg\" alt=\"Tubos de concreto sendo assentados e reaterrados\" class=\"wp-image-702\" srcset=\"https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-15.jpg 872w, https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-15-300x142.jpg 300w, https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-15-768x364.jpg 768w\" sizes=\"(max-width: 872px) 100vw, 872px\" \/><\/figure>\n\n\n\n<p>A segunda etapa \u00e9 o <strong>projeto estrutural<\/strong>, que determina o carregamento e o dimensionamento dos tubos de concreto.<\/p>\n\n\n\n<p>H\u00e1 dois tipos de cargas atuantes nos tubos circulares de concreto: a carga de terra, resultante do peso do solo situado acima da tubula\u00e7\u00e3o, e as cargas m\u00f3veis, decorrentes do tr\u00e1fego de ve\u00edculos na superf\u00edcie.<\/p>\n\n\n\n<p>O dimensionamento do tubo de concreto consiste no c\u00e1lculo de resist\u00eancia do tubo capaz de suportar uma determinada carga. Ele \u00e9 determinado em ensaio de laborat\u00f3rio. Sua determina\u00e7\u00e3o define a classe do tubo que dever\u00e1 ser usada na obra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cuidados na aplica\u00e7\u00e3o dos tubos de concreto<\/h2>\n\n\n\n<p>A terceira etapa \u00e9 t\u00e3o crucial quanto \u00e0s anteriores, uma vez que os cuidados tomados na an\u00e1lise estrutural podem ser anulados pelo emprego de <strong>processos construtivos<\/strong> inadequados.<\/p>\n\n\n\n<p>Esta etapa \u00e9 formada pelas fases de:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Escava\u00e7\u00e3o:<\/strong> na qual \u00e9 feito o controle de declividade, cujo erro pode levar a invers\u00e3o do fluxo, entupimentos e rompimento de tubula\u00e7\u00f5es;<\/li>\n\n\n\n<li><strong>Escoramento:<\/strong> feito para garantir a seguran\u00e7a dos trabalhadores durante a escava\u00e7\u00e3o;<\/li>\n\n\n\n<li><strong>Assentamento:<\/strong> executado de jusante \u00e0 montante, consiste na regulariza\u00e7\u00e3o e preparo do fundo da vala onde ser\u00e1 assentada a tubula\u00e7\u00e3o e na descida dos tubos de concreto, de maneira que todo o corpo do tubo fique apoiado no fundo da vala para que ocorra a distribui\u00e7\u00e3o uniforme das cargas sobre a tubula\u00e7\u00e3o;<\/li>\n\n\n\n<li><strong>Reaterro:<\/strong> camada de reaterro deve ser compactada e controlada, em camadas de 20 cm de espessura, at\u00e9 a superf\u00edcie do terreno.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"977\" height=\"304\" src=\"https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-8.jpg\" alt=\"Tubos de concreto sendo devidamente encaixados\" class=\"wp-image-703\" srcset=\"https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-8.jpg 977w, https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-8-300x93.jpg 300w, https:\/\/site.ibracon.org.br\/Site_revista\/Concreto_Construcoes\/Concreto_blog\/wp-content\/uploads\/2023\/09\/fig-8-768x239.jpg 768w\" sizes=\"(max-width: 977px) 100vw, 977px\" \/><\/figure>\n\n\n\n<p>Quer saber mais sobre como calcular as cargas atuantes, o dimensionamento de tubos circulares de concreto e maiores detalhes sobre os cuidados na sua execu\u00e7\u00e3o? Acesse o artigo \u201c<a href=\"https:\/\/concretoeconstrucoes.org.br\/index.php\/revista\/edicao-110\" target=\"_blank\" rel=\"noreferrer noopener\">Projeto e execu\u00e7\u00e3o de obras de saneamento com tubos de concreto<\/a>\u201d, na edi\u00e7\u00e3o 110 da Revista CONCRETO &amp; Constru\u00e7\u00f5es.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quais os cuidados devem ser tomados no projeto, dimensionamento e execu\u00e7\u00e3o de obras de saneamento com tubos de concreto? Conhe\u00e7a as etapas para garantir seguran\u00e7a, funcionalidade e durabilidade.<\/p>\n","protected":false},"author":2,"featured_media":708,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3,4],"tags":[145,144,143],"class_list":["post-701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-destaques","category-press-releases","tag-dimensionamento-de-tubos","tag-saneamento","tag-tubos-de-concreto"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tubos de concreto para saneamento - Blog CONCRETO &amp; Constru\u00e7\u00f5es<\/title>\n<meta name=\"description\" content=\"Passo a passo para dimensionar e executar projetos com tubos de concreto em obras de drenagem urbana e esgotos sanit\u00e1rios\" \/>\n<meta name=\"robots\" content=\"index, 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