{"id":4878,"date":"2026-04-24T07:29:58","date_gmt":"2026-04-24T07:29:58","guid":{"rendered":"https:\/\/roadskyguardrail.com\/?p=4878"},"modified":"2026-04-24T07:43:16","modified_gmt":"2026-04-24T07:43:16","slug":"w-beam-guardrail-specifications-explained","status":"publish","type":"post","link":"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained","title":{"rendered":"Explica\u00e7\u00e3o das especifica\u00e7\u00f5es da balaustrada de viga W"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#What_is_a_W-Beam_Guardrail\" >O que \u00e9 uma balaustrada de viga W?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Standard_W-Beam_Guardrail_Dimensions\" >Dimens\u00f5es da balaustrada de viga W standard<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Common_Beam_Lengths\" >Comprimentos de feixe comuns<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Cross-Section_Dimensions\" >Dimens\u00f5es da sec\u00e7\u00e3o transversal<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#W-Beam_Guardrail_Thickness_Specifications\" >Especifica\u00e7\u00f5es da espessura da balaustrada de viga W<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Standard_Thickness_Options\" >Op\u00e7\u00f5es de espessura padr\u00e3o<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Materials_Used_in_W-Beam_Guardrails\" >Materiais utilizados nos guarda-corpos de viga W<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Common_Steel_Grades\" >Graus de a\u00e7o comuns<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Surface_Treatment_and_Corrosion_Protection\" >Tratamento de superf\u00edcie e prote\u00e7\u00e3o contra a corros\u00e3o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Hot-Dip_Galvanizing\" >Galvaniza\u00e7\u00e3o por imers\u00e3o a quente<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Powder_Coating_Optional\" >Revestimento em p\u00f3 (opcional)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Major_International_Standards_for_W-Beam_Guardrails\" >Principais normas internacionais para guarda-corpos de vigas em W<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#1_North_America\" >1. Am\u00e9rica do Norte<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#2_Europe\" >2. Europa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#3_Other_International_Standards\" >3. Outras normas internacionais<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Main_Components_of_a_W-Beam_Guardrail_System\" >Principais componentes de um sistema de guarda-corpos de viga W<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Essential_Components\" >Componentes essenciais<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Typical_W-Beam_Guardrail_Post_Specifications\" >Especifica\u00e7\u00f5es t\u00edpicas dos postes de guarda-corpos com viga W<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Standard_Post_Lengths\" >Comprimentos padr\u00e3o dos postes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#W-Beam_vs_Thrie-Beam_Guardrail\" >Guarda-corpos de viga W vs. de viga tripla<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#W-Beam_Guardrail_Price\" >Pre\u00e7o da balaustrada de viga W<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#Summary\" >Resumo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/w-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Guarda-corpos em viga W<\/a><\/strong> est\u00e3o entre as barreiras de seguran\u00e7a para auto-estradas mais utilizadas no mundo. Concebidos para redirecionar ve\u00edculos errantes, reduzir a gravidade dos acidentes e melhorar a seguran\u00e7a na berma da estrada, os sistemas de guarda-corpos com viga W s\u00e3o uma escolha padr\u00e3o para auto-estradas, pontes, estradas rurais, \u00e1reas de estacionamento e instala\u00e7\u00f5es industriais. Compreender as especifica\u00e7\u00f5es das barreiras de prote\u00e7\u00e3o com viga em W \u00e9 essencial para engenheiros, empreiteiros, distribuidores e propriet\u00e1rios de projectos que procuram solu\u00e7\u00f5es de seguran\u00e7a rodovi\u00e1ria conformes e fi\u00e1veis.<\/p>\n\n\n\n<p>Este guia aborda as principais especifica\u00e7\u00f5es dos guarda-corpos de viga W, incluindo dimens\u00f5es, materiais, espessuras, normas, componentes e factores a considerar ao selecionar o sistema certo para o seu projeto.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_W-Beam_Guardrail\"><\/span>O que \u00e9 uma balaustrada de viga W?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Uma barreira de prote\u00e7\u00e3o com viga W \u00e9 uma barreira semi-r\u00edgida \u00e0 beira da estrada feita de a\u00e7o ondulado. O seu perfil distintivo em \u201cW\u201d - formado por duas ondas - proporciona resist\u00eancia e flexibilidade, permitindo-lhe absorver a energia do impacto enquanto redirecciona os ve\u00edculos para a estrada.<\/p>\n\n\n\n<p>Em compara\u00e7\u00e3o com as barreiras r\u00edgidas de bet\u00e3o, as barreiras de prote\u00e7\u00e3o com vigas em W oferecem um equil\u00edbrio rent\u00e1vel entre absor\u00e7\u00e3o de energia, facilidade de instala\u00e7\u00e3o e efici\u00eancia de manuten\u00e7\u00e3o. S\u00e3o normalmente instaladas ao longo de..:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Auto-estradas e vias r\u00e1pidas<\/li>\n\n\n\n<li>Pontes e passagens superiores<\/li>\n\n\n\n<li>Estradas de montanha e curvas apertadas<\/li>\n\n\n\n<li>Medianas e taludes \u00e0 beira da estrada<\/li>\n\n\n\n<li>Parques de estacionamento e zonas industriais<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Standard-W-Beam-Guardrail-Dimensions.jpg\" alt=\"Dimens\u00f5es da balaustrada de viga W standard\" class=\"wp-image-4881\" srcset=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Standard-W-Beam-Guardrail-Dimensions.jpg 600w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Standard-W-Beam-Guardrail-Dimensions-400x267.jpg 400w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Standard-W-Beam-Guardrail-Dimensions-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_W-Beam_Guardrail_Dimensions\"><\/span>Dimens\u00f5es da balaustrada de viga W standard<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As barreiras de prote\u00e7\u00e3o com viga W s\u00e3o fabricadas em tamanhos normalizados para garantir a compatibilidade com postes, separadores e sec\u00e7\u00f5es terminais.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Beam_Lengths\"><\/span>Comprimentos de feixe comuns<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>4.320 mm (13 ft 6 in)<\/strong> - Comprimento efetivo padr\u00e3o utilizado em muitos mercados internacionais<\/li>\n\n\n\n<li><strong>4.000 mm<\/strong> - Comum em projectos regionais espec\u00edficos<\/li>\n\n\n\n<li><strong>3.810 mm (12 ft 6 in)<\/strong> - Frequentemente utilizado na Am\u00e9rica do Norte<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cross-Section_Dimensions\"><\/span>Dimens\u00f5es da sec\u00e7\u00e3o transversal<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Largura do feixe<\/strong>: 310 mm a 312 mm<\/li>\n\n\n\n<li><strong>Profundidade da onda<\/strong>: 80 mm a 85 mm<\/li>\n\n\n\n<li><strong>Largura da flange<\/strong>: Cerca de 55 mm<\/li>\n<\/ul>\n\n\n\n<p>Estas dimens\u00f5es proporcionam a integridade estrutural necess\u00e1ria para resistir aos impactos dos ve\u00edculos, mantendo uma deflex\u00e3o controlada.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"W-Beam_Guardrail_Thickness_Specifications\"><\/span>Especifica\u00e7\u00f5es da espessura da balaustrada de viga W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A espessura das barreiras de prote\u00e7\u00e3o afecta diretamente a resist\u00eancia ao impacto, a vida \u00fatil e a conformidade com os requisitos do projeto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Thickness_Options\"><\/span>Op\u00e7\u00f5es de espessura padr\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2,67 mm (calibre 12)<\/li>\n\n\n\n<li>2,70 mm<\/li>\n\n\n\n<li>3,00 mm<\/li>\n\n\n\n<li>3,43 mm (calibre 10)<\/li>\n\n\n\n<li>4,00 mm (para aplica\u00e7\u00f5es pesadas)<\/li>\n<\/ul>\n\n\n\n<p>As espessuras mais frequentemente especificadas s\u00e3o <strong>2,67 mm<\/strong> e <strong>3,43 mm<\/strong>. As bitolas mais pesadas proporcionam uma maior durabilidade e s\u00e3o frequentemente selecionadas para estradas de alta velocidade, pontes e locais de alto risco.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Materials-Used-in-W-Beam-Guardrails.jpg\" alt=\"Materiais utilizados nos guarda-corpos de viga W\" class=\"wp-image-4883\" srcset=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Materials-Used-in-W-Beam-Guardrails.jpg 600w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Materials-Used-in-W-Beam-Guardrails-400x267.jpg 400w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Materials-Used-in-W-Beam-Guardrails-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Materials_Used_in_W-Beam_Guardrails\"><\/span>Materiais utilizados nos guarda-corpos de viga W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As barreiras de prote\u00e7\u00e3o com viga em W s\u00e3o normalmente fabricadas em a\u00e7o de alta resist\u00eancia para garantir durabilidade, ductilidade e desempenho de impacto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Steel_Grades\"><\/span>Graus de a\u00e7o comuns<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A\u00e7o Q235<\/li>\n\n\n\n<li>A\u00e7o Q345<\/li>\n\n\n\n<li>A\u00e7o ASTM A36<\/li>\n\n\n\n<li>A\u00e7o ASTM A572 Grau 50<\/li>\n\n\n\n<li>A\u00e7o S275JR \/ S355JR<\/li>\n<\/ul>\n\n\n\n<p>A sele\u00e7\u00e3o dos materiais depende das normas locais, das especifica\u00e7\u00f5es do projeto e das condi\u00e7\u00f5es ambientais.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Surface_Treatment_and_Corrosion_Protection\"><\/span>Tratamento de superf\u00edcie e prote\u00e7\u00e3o contra a corros\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Para garantir um desempenho a longo prazo em ambientes exteriores, as balaustradas de viga W requerem revestimentos resistentes \u00e0 corros\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hot-Dip_Galvanizing\"><\/span>Galvaniza\u00e7\u00e3o por imers\u00e3o a quente<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A galvaniza\u00e7\u00e3o por imers\u00e3o a quente \u00e9 o acabamento de prote\u00e7\u00e3o mais comum.<\/p>\n\n\n\n<p>Norma de revestimento: ASTM A123, AASHTO M180, EN ISO 1461<\/p>\n\n\n\n<p>Peso t\u00edpico do revestimento de zinco:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>550 g\/m\u00b2<\/li>\n\n\n\n<li>610 g\/m\u00b2<\/li>\n\n\n\n<li>900 g\/m\u00b2<\/li>\n\n\n\n<li>1.100 g\/m\u00b2<\/li>\n<\/ul>\n\n\n\n<p><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/w-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Guarda-corpos de viga W galvanizada<\/a><\/strong> oferecem uma excelente resist\u00eancia \u00e0 ferrugem, humidade, salinidade e condi\u00e7\u00f5es clim\u00e1ticas adversas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Powder_Coating_Optional\"><\/span>Revestimento em p\u00f3 (opcional)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Para uma melhor est\u00e9tica ou prote\u00e7\u00e3o adicional, pode ser aplicado um revestimento em p\u00f3 sobre a\u00e7o galvanizado. As cores mais comuns incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Verde<\/li>\n\n\n\n<li>Cinzento<\/li>\n\n\n\n<li>Castanho<\/li>\n\n\n\n<li>Cores de projeto personalizadas<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Major_International_Standards_for_W-Beam_Guardrails\"><\/span>Principais normas internacionais para guarda-corpos de vigas em W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A conformidade com as normas reconhecidas \u00e9 fundamental para a seguran\u00e7a e a aprova\u00e7\u00e3o do projeto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_North_America\"><\/span>1. Am\u00e9rica do Norte<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AASHTO M180<\/strong> - Especifica\u00e7\u00e3o padr\u00e3o para vigas de a\u00e7o de chapa ondulada para <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Guarda-corpos de autoestrada<\/a><\/strong><\/li>\n\n\n\n<li><strong>MASH<\/strong> - Manual de avalia\u00e7\u00e3o do equipamento de seguran\u00e7a<\/li>\n\n\n\n<li><strong>ASTM A123<\/strong> - Revestimento de zinco standard<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Europe\"><\/span>2. Europa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EN 1317 - Requisitos de desempenho dos sistemas de reten\u00e7\u00e3o rodovi\u00e1rios<\/li>\n\n\n\n<li>EN ISO 1461 - Revestimentos galvanizados por imers\u00e3o a quente<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Other_International_Standards\"><\/span>3. Outras normas internacionais<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AS\/NZS 3845 (Austr\u00e1lia\/Nova Zel\u00e2ndia)<\/li>\n\n\n\n<li>JT\/T 281 (China)<\/li>\n\n\n\n<li>RAL-RG 620 (Alemanha)<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Main-Components-of-a-W-Beam-Guardrail-System.jpg\" alt=\"Principais componentes de um sistema de guarda-corpos de viga W\" class=\"wp-image-4884\" srcset=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Main-Components-of-a-W-Beam-Guardrail-System.jpg 600w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Main-Components-of-a-W-Beam-Guardrail-System-400x267.jpg 400w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Main-Components-of-a-W-Beam-Guardrail-System-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Main_Components_of_a_W-Beam_Guardrail_System\"><\/span>Principais componentes de um sistema de guarda-corpos de viga W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Uma instala\u00e7\u00e3o completa de guarda-corpos com viga W inclui v\u00e1rios componentes que funcionam em conjunto como um sistema de seguran\u00e7a integrado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Essential_Components\"><\/span>Componentes essenciais<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pain\u00e9is de carris em viga W<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Postes de a\u00e7o<\/a><\/strong> (<strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/c-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/c-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Poste C<\/a><\/strong>, <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/u-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/u-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Poste em U<\/a><\/strong>, <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/sigma-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/sigma-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Posto Sigma<\/a><\/strong>, ou <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/h-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/h-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Poste de viga em I<\/a><\/strong>)<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-spacer\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-spacer\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Blocos espa\u00e7adores<\/a><\/strong> (a\u00e7o ou comp\u00f3sito)<\/li>\n\n\n\n<li>Tampas de lan\u00e7amento<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-bolts-nuts\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-bolts-nuts\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Parafusos e porcas de liga\u00e7\u00e3o<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-end-terminal\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-end-terminal\" target=\"_blank\" rel=\"noreferrer noopener\">Sec\u00e7\u00f5es terminais<\/a><\/strong><\/li>\n\n\n\n<li>Sec\u00e7\u00f5es de transi\u00e7\u00e3o<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-reflector\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-reflector\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Reflectores<\/a><\/strong> (opcional)<\/li>\n<\/ul>\n\n\n\n<p>Cada componente deve cumprir as mesmas normas aplic\u00e1veis \u00e0 viga propriamente dita.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_W-Beam_Guardrail_Post_Specifications\"><\/span>Especifica\u00e7\u00f5es t\u00edpicas dos postes de guarda-corpos com viga W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Os tamanhos comuns de postes incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C-Post: <\/strong>150 \u00d7 75 \u00d7 25 \u00d7 5 mm<\/li>\n\n\n\n<li><strong>U-Post:<\/strong> 150 \u00d7 80 \u00d7 6 mm<\/li>\n\n\n\n<li><strong>Sigma Post:<\/strong> 100 \u00d7 55 \u00d7 5 mm<\/li>\n\n\n\n<li><strong>Poste de viga em I:<\/strong> W150 ou equivalente<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Post_Lengths\"><\/span>Comprimentos padr\u00e3o dos postes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1.830 mm<\/li>\n\n\n\n<li>1.900 mm<\/li>\n\n\n\n<li>2.000 mm<\/li>\n\n\n\n<li>Comprimentos personalizados dispon\u00edveis<\/li>\n<\/ul>\n\n\n\n<p>O espa\u00e7amento entre postes \u00e9 tipicamente:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1,905 m (6 p\u00e9s 3 pol.)<\/strong> - Espa\u00e7amento padr\u00e3o<\/li>\n\n\n\n<li><strong>2.0 m<\/strong> - Comum em muitos projectos internacionais<\/li>\n\n\n\n<li><strong>4.0 m<\/strong> - Aplica\u00e7\u00f5es especiais<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"W-Beam_vs_Thrie-Beam_Guardrail\"><\/span>Guarda-corpos de viga W vs. de viga tripla<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Os guarda-corpos de viga W s\u00e3o os mais comuns, <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/thrie-beam\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/thrie-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Guarda-corpos com vigas de tr\u00eas raios<\/a><\/strong> oferecem uma resist\u00eancia adicional.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Carater\u00edstica<\/th><th class=\"has-text-align-center\" data-align=\"center\">Viga W<\/th><th class=\"has-text-align-center\" data-align=\"center\">Feixe de tr\u00eas<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">N\u00famero de ondas<\/td><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Largura<\/td><td class=\"has-text-align-center\" data-align=\"center\">~312 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">~506 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">For\u00e7a<\/td><td class=\"has-text-align-center\" data-align=\"center\">Padr\u00e3o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Mais alto<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Os sistemas de tr\u00eas vigas s\u00e3o frequentemente selecionados quando \u00e9 necess\u00e1rio um maior confinamento ou uma deflex\u00e3o reduzida.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"W-Beam_Guardrail_Price\"><\/span>Pre\u00e7o da balaustrada de viga W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Os pre\u00e7os das barreiras de prote\u00e7\u00e3o em viga W variam normalmente entre cerca de 15 e 50 USD por metro para um sistema completo, dependendo da espessura do a\u00e7o, dos requisitos de galvaniza\u00e7\u00e3o, das normas de conformidade e dos acess\u00f3rios inclu\u00eddos. As encomendas a granel e as condi\u00e7\u00f5es de exporta\u00e7\u00e3o FOB China podem reduzir o custo unit\u00e1rio, enquanto as espessuras mais pesadas e as especifica\u00e7\u00f5es de revestimento de zinco mais elevadas aumentar\u00e3o o pre\u00e7o global.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>Resumo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As barreiras de prote\u00e7\u00e3o com vigas em W desempenham um papel fundamental nos sistemas modernos de seguran\u00e7a rodovi\u00e1ria, reduzindo eficazmente a gravidade dos acidentes e protegendo os condutores e as infra-estruturas da estrada. Com dimens\u00f5es normalizadas, constru\u00e7\u00e3o em a\u00e7o dur\u00e1vel e especifica\u00e7\u00f5es reconhecidas internacionalmente, continuam a ser uma das solu\u00e7\u00f5es de seguran\u00e7a rodovi\u00e1ria mais fi\u00e1veis e amplamente utilizadas em todo o mundo.<\/p>\n\n\n\n<p>Por fim, esperamos que tenha agora uma compreens\u00e3o clara das especifica\u00e7\u00f5es da balaustrada com viga W e de como as dimens\u00f5es e normas adequadas desempenham um papel fundamental na manuten\u00e7\u00e3o da seguran\u00e7a rodovi\u00e1ria. Se procura um fornecedor fi\u00e1vel de produtos de seguran\u00e7a rodovi\u00e1ria para o seu projeto, n\u00e3o hesite em contactar-nos <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/contact\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/contact\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">contactar-nos<\/a><\/strong> para obter mais pormenores e um or\u00e7amento altamente competitivo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1777013338076\"><strong class=\"schema-faq-question\">1. Quanto tempo duram os guarda-corpos de viga W galvanizada?<\/strong> <p class=\"schema-faq-answer\">Com uma galvaniza\u00e7\u00e3o por imers\u00e3o a quente adequada, as barreiras de prote\u00e7\u00e3o em viga W podem durar 20 a 30 anos, dependendo das condi\u00e7\u00f5es ambientais.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777013427057\"><strong class=\"schema-faq-question\">2. Qual \u00e9 a diferen\u00e7a entre os guarda-corpos de viga W e de viga tripla?<\/strong> <p class=\"schema-faq-answer\">A viga W tem duas ondas e \u00e9 utilizada para a prote\u00e7\u00e3o normal de estradas, enquanto a viga Thrie tem tr\u00eas ondas e oferece maior resist\u00eancia para pontes e \u00e1reas de alto risco.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777013461624\"><strong class=\"schema-faq-question\">3. Como \u00e9 calculado o pre\u00e7o do guarda-corpo de viga W?<\/strong> <p class=\"schema-faq-answer\">O pre\u00e7o depende da espessura do a\u00e7o, do tipo de revestimento, dos componentes do sistema, da quantidade encomendada e dos custos de envio, normalmente cotados por metro ou por conjunto.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>W-beam guardrails are among the most widely used highway safety barriers in the world. Designed to redirect errant vehicles, reduce crash severity, and improve roadside safety, W-beam guardrail systems are a standard choice for highways, bridges, rural roads, parking areas, and industrial facilities. Understanding W-beam guardrail specifications is essential for engineers, contractors, distributors, and project owners seeking compliant and reliable roadway safety solutions. This guide covers the key specifications of W-beam guardrails, including dimensions, materials, thickness, standards, components, and factors to consider when selecting the right system for your project. What is a W-Beam Guardrail? A W-beam guardrail is a semi-rigid roadside barrier made from corrugated steel. Its distinctive &#8220;W&#8221; profile\u2014formed by two waves\u2014provides strength and flexibility, allowing it to absorb impact energy while redirecting vehicles back onto the roadway. Compared with rigid concrete barriers, W-beam guardrails offer a cost-effective balance of energy absorption, ease of installation, and maintenance efficiency. They are commonly installed along: Standard W-Beam Guardrail Dimensions W-beam &#8230;<\/p>","protected":false},"author":1,"featured_media":4881,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-4878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>W-Beam Guardrail Specifications Explained - Roadsky<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"W-Beam Guardrail Specifications Explained - Roadsky\" \/>\n<meta property=\"og:description\" content=\"W-beam guardrails are among the most widely used highway safety barriers in the world. Designed to redirect errant vehicles, reduce crash severity, and improve roadside safety, W-beam guardrail systems are a standard choice for highways, bridges, rural roads, parking areas, and industrial facilities. Understanding W-beam guardrail specifications is essential for engineers, contractors, distributors, and project owners seeking compliant and reliable roadway safety solutions. This guide covers the key specifications of W-beam guardrails, including dimensions, materials, thickness, standards, components, and factors to consider when selecting the right system for your project. What is a W-Beam Guardrail? A W-beam guardrail is a semi-rigid roadside barrier made from corrugated steel. Its distinctive &#8220;W&#8221; profile\u2014formed by two waves\u2014provides strength and flexibility, allowing it to absorb impact energy while redirecting vehicles back onto the roadway. Compared with rigid concrete barriers, W-beam guardrails offer a cost-effective balance of energy absorption, ease of installation, and maintenance efficiency. They are commonly installed along: Standard W-Beam Guardrail Dimensions W-beam ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained\" \/>\n<meta property=\"og:site_name\" content=\"Nanjing Roadsky Traffic Facility Co.,Ltd (Roadsky Corporation)\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-24T07:29:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-24T07:43:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Standard-W-Beam-Guardrail-Dimensions.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/#\\\/schema\\\/person\\\/16221aef5d23da298e3c2de708adbfa1\"},\"headline\":\"W-Beam Guardrail Specifications Explained\",\"datePublished\":\"2026-04-24T07:29:58+00:00\",\"dateModified\":\"2026-04-24T07:43:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained\"},\"wordCount\":914,\"image\":{\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/roadskyguardrail.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Standard-W-Beam-Guardrail-Dimensions.jpg\",\"articleSection\":[\"Knowledge\"],\"inLanguage\":\"pt-PT\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained\",\"url\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained\",\"name\":\"W-Beam Guardrail Specifications Explained - 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How is W-Beam Guardrail Price Calculated?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pricing depends on steel thickness, coating type, system components, order quantity, and shipping costs, usually quoted per meter or per set.\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"W-Beam Guardrail Specifications Explained - Roadsky","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/roadskyguardrail.com\/pt\/w-beam-guardrail-specifications-explained","og_locale":"pt_PT","og_type":"article","og_title":"W-Beam Guardrail Specifications Explained - Roadsky","og_description":"W-beam guardrails are among the most widely used highway safety barriers in the world. Designed to redirect errant vehicles, reduce crash severity, and improve roadside safety, W-beam guardrail systems are a standard choice for highways, bridges, rural roads, parking areas, and industrial facilities. Understanding W-beam guardrail specifications is essential for engineers, contractors, distributors, and project owners seeking compliant and reliable roadway safety solutions. This guide covers the key specifications of W-beam guardrails, including dimensions, materials, thickness, standards, components, and factors to consider when selecting the right system for your project. What is a W-Beam Guardrail? A W-beam guardrail is a semi-rigid roadside barrier made from corrugated steel. Its distinctive &#8220;W&#8221; profile\u2014formed by two waves\u2014provides strength and flexibility, allowing it to absorb impact energy while redirecting vehicles back onto the roadway. 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Quanto tempo duram os guarda-corpos de viga W galvanizada?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"With proper hot-dip galvanizing, W-beam guardrails can last 20\u201330 years depending on environmental conditions.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/roadskyguardrail.com\/w-beam-guardrail-specifications-explained#faq-question-1777013427057","position":2,"url":"https:\/\/roadskyguardrail.com\/w-beam-guardrail-specifications-explained#faq-question-1777013427057","name":"2. 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