{"id":111,"date":"2026-01-09T19:58:34","date_gmt":"2026-01-09T19:58:34","guid":{"rendered":"https:\/\/brgt.com.br\/blog-admin\/?p=111"},"modified":"2026-01-13T11:37:09","modified_gmt":"2026-01-13T11:37:09","slug":"ha-economia-aumentando-o-fck-para-reduzir-o-cobrimento-clone-2","status":"publish","type":"post","link":"https:\/\/brgt.com.br\/blog-admin\/ha-economia-aumentando-o-fck-para-reduzir-o-cobrimento-clone-2\/","title":{"rendered":"H\u00e1 economia aumentando o fck para reduzir o cobrimento?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">O dimensionamento do a\u00e7o em concreto armado est\u00e1 diretamente relacionado ao cobrimento da armadura, que \u00e9 definido pela Classe de Agressividade Ambiental do projeto.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"802\" height=\"487\" src=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-1.png\" alt=\"\" class=\"wp-image-93\" srcset=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-1.png 802w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-1-300x182.png 300w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-1-768x466.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O cobrimento \u00e9 uma regi\u00e3o de concreto de prote\u00e7\u00e3o para a armadura. Esta regi\u00e3o de prote\u00e7\u00e3o deve ser maior quando o CAA tamb\u00e9m \u00e9 maior. Isso afeta o dimensionamento do a\u00e7o, pois quanto menor o cobrimento melhor a \u00e1rea \u00fatil de concreto, que \u00e9 a se\u00e7\u00e3o da pe\u00e7a que est\u00e1 sobre a\u00e7\u00e3o da armadura<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"678\" src=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-3-1024x678.png\" alt=\"\" class=\"wp-image-96\" srcset=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-3-1024x678.png 1024w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-3-300x199.png 300w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-3-768x508.png 768w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-3-1200x794.png 1200w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/image-3.png 1248w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A norma permite uma redu\u00e7\u00e3o local de cobrimento quanto o fck utilizado na pe\u00e7a \u00e9 maior que o m\u00ednimo exigido pela Classe de Agressividade Ambiental. Logo, surge a pergunta, vale a pena aumentar o fck e reduzir o cobrimento? Neste estudo fizemos a altera\u00e7\u00e3o das lajes de um pavimento t\u00edpico de concreto armado de 25 para 30 MPa, e o cobrimento de 2.5 e 2.0 cm respectivamente.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"290\" src=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Untitled-design-4-1024x290.png\" alt=\"\" class=\"wp-image-113\" srcset=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Untitled-design-4-1024x290.png 1024w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Untitled-design-4-300x85.png 300w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Untitled-design-4-768x218.png 768w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Untitled-design-4.png 1027w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"287\" src=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Copy-of-Untitled-Design-1-1024x287.png\" alt=\"\" class=\"wp-image-114\" srcset=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Copy-of-Untitled-Design-1-1024x287.png 1024w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Copy-of-Untitled-Design-1-300x84.png 300w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Copy-of-Untitled-Design-1-768x215.png 768w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2026\/01\/Copy-of-Untitled-Design-1.png 1027w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Encontramos uma diferen\u00e7a de apenas 1 kg a menos com C30, logo, n\u00e3o vale a pena adotar o concreto de resist\u00eancia maior.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1242\" height=\"368\" src=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.10_9d908e5c.jpg\" alt=\"\" class=\"wp-image-29\" srcset=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.10_9d908e5c.jpg 1242w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.10_9d908e5c-300x89.jpg 300w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.10_9d908e5c-1024x303.jpg 1024w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.10_9d908e5c-768x228.jpg 768w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.10_9d908e5c-1200x356.jpg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"304\" src=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.35_87aa17a2-1024x304.jpg\" alt=\"\" class=\"wp-image-32\" srcset=\"https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.35_87aa17a2-1024x304.jpg 1024w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.35_87aa17a2-300x89.jpg 300w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.35_87aa17a2-768x228.jpg 768w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.35_87aa17a2-1200x356.jpg 1200w, https:\/\/brgt.com.br\/blog-admin\/wp-content\/uploads\/2025\/11\/Imagem-do-WhatsApp-de-2025-11-10-as-17.45.35_87aa17a2.jpg 1478w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gostou do conte\u00fado? Quer saber mais sobre economia em projetos? Deixe sua opini\u00e3o nos coment\u00e1rios!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Estudo de Caso: O dimensionamento do a\u00e7o em concreto armado est\u00e1 diretamente relacionado ao cobrimento da armadura, que \u00e9 definido pela Classe de Agressividade Ambiental do projeto.<\/p>\n","protected":false},"author":2,"featured_media":125,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[5,4],"tags":[],"class_list":["post-111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-estudo-de-caso","category-tqs"],"_links":{"self":[{"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/posts\/111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/comments?post=111"}],"version-history":[{"count":5,"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/posts\/111\/revisions"}],"predecessor-version":[{"id":119,"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/posts\/111\/revisions\/119"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/media\/125"}],"wp:attachment":[{"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/brgt.com.br\/blog-admin\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}