{"id":4919,"date":"2026-08-17T06:19:08","date_gmt":"2026-08-17T06:19:08","guid":{"rendered":"https:\/\/roadskyguardrail.com\/?p=4919"},"modified":"2026-08-17T06:20:14","modified_gmt":"2026-08-17T06:20:14","slug":"en-1317-aashto-m180-as-nzs-standards-explained","status":"publish","type":"post","link":"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained","title":{"rendered":"Explica\u00e7\u00e3o das normas EN 1317, AASHTO M180 e AS\/NZS"},"content":{"rendered":"<p><strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Guarda-corpos de autoestrada<\/a><\/strong> constituem uma parte essencial da infraestrutura moderna de seguran\u00e7a rodovi\u00e1ria. Foram concebidos para redirecionar os ve\u00edculos, reduzir a gravidade dos acidentes com sa\u00edda da estrada e proteger os condutores de perigos \u00e0 beira da estrada, tais como declives acentuados, objetos fixos, pontes e tr\u00e1fego em sentido contr\u00e1rio.<\/p>\n\n\n\n<p>No entanto, nem todas as barreiras de seguran\u00e7a rodovi\u00e1rias s\u00e3o fabricadas ou avaliadas de acordo com os mesmos requisitos. Os diferentes mercados utilizam normas e sistemas de ensaio distintos para determinar se uma barreira de seguran\u00e7a rodovi\u00e1ria \u00e9 adequada para uma determinada aplica\u00e7\u00e3o.<\/p>\n\n\n\n<p>Entre as normas mais frequentemente citadas encontram-se a EN 1317 na Europa, <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/aashto-m180-guardrail-the-standard-for-road-safety\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/aashto-m180-guardrail-the-standard-for-road-safety\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">AASHTO M180<\/a><\/strong> nos Estados Unidos e as normas AS\/NZS na Austr\u00e1lia e na Nova Zel\u00e2ndia.<\/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\/08\/EN-1317-European-Standard-for-Road-Restraint-Systems.jpg\" alt=\"EN 1317: Norma Europeia para Sistemas de Prote\u00e7\u00e3o Rodovi\u00e1ria\" class=\"wp-image-4920\" srcset=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/EN-1317-European-Standard-for-Road-Restraint-Systems.jpg 600w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/EN-1317-European-Standard-for-Road-Restraint-Systems-400x267.jpg 400w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/EN-1317-European-Standard-for-Road-Restraint-Systems-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 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\/en-1317-aashto-m180-as-nzs-standards-explained\/#EN_1317_European_Standard_for_Road_Restraint_Systems\" >EN 1317: Norma Europeia para Sistemas de Prote\u00e7\u00e3o Rodovi\u00e1ria<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\/#What_Does_EN_1317_Cover\" >O que abrange a norma EN 1317?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\/#EN_1317_Containment_Levels\" >EN 1317 N\u00edveis de conten\u00e7\u00e3o<\/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\/en-1317-aashto-m180-as-nzs-standards-explained\/#Working_Width\" >Largura de trabalho<\/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\/en-1317-aashto-m180-as-nzs-standards-explained\/#AASHTO_M180_Highway_Guardrail_Steel_Components\" >AASHTO M180: Componentes de a\u00e7o para guardas de seguran\u00e7a rodovi\u00e1rias<\/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\/en-1317-aashto-m180-as-nzs-standards-explained\/#What_Does_AASHTO_M180_Cover\" >O que abrange a norma AASHTO M180?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\/#Why_Is_AASHTO_M180_Important\" >Por que \u00e9 que a norma AASHTO M180 \u00e9 importante?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\/#ASNZS_Standards_for_Highway_Guardrail\" >Normas AS\/NZS para guardas de seguran\u00e7a rodovi\u00e1rias<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\/#ASNZS_3845_and_Crash_Testing\" >AS\/NZS 3845 e ensaios de colis\u00e3o<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\/#EN_1317_vs_AASHTO_M180_vs_ASNZS_3845\" >EN 1317 vs AASHTO M180 vs AS\/NZS 3845<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\/#Why_Crash_Testing_Matters_for_Highway_Guardrail\" >Por que raz\u00e3o os ensaios de colis\u00e3o s\u00e3o importantes para as barreiras de seguran\u00e7a rodovi\u00e1rias<\/a><\/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\/en-1317-aashto-m180-as-nzs-standards-explained\/#Conclusion\" >Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"EN_1317_European_Standard_for_Road_Restraint_Systems\"><\/span>EN 1317: Norma Europeia para Sistemas de Prote\u00e7\u00e3o Rodovi\u00e1ria<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A norma EN 1317 \u00e9 a s\u00e9rie de normas europeias que abrange os sistemas de reten\u00e7\u00e3o rodovi\u00e1ria. Estabelece um quadro para a avalia\u00e7\u00e3o e classifica\u00e7\u00e3o de barreiras de seguran\u00e7a rodovi\u00e1rias, parapeitos para ve\u00edculos, terminais, transi\u00e7\u00f5es e outros sistemas de reten\u00e7\u00e3o.<\/p>\n\n\n\n<p>Ao contr\u00e1rio de uma especifica\u00e7\u00e3o de materiais que se centra principalmente na composi\u00e7\u00e3o ou nas dimens\u00f5es do a\u00e7o, a norma EN 1317 d\u00e1 grande \u00eanfase ao desempenho do sistema de reten\u00e7\u00e3o completo em condi\u00e7\u00f5es de impacto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_EN_1317_Cover\"><\/span>O que abrange a norma EN 1317?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A s\u00e9rie EN 1317 aborda diferentes aspetos dos sistemas de conten\u00e7\u00e3o rodovi\u00e1ria, incluindo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sistemas de reten\u00e7\u00e3o para ve\u00edculos<\/li>\n\n\n\n<li>Desempenho de conten\u00e7\u00e3o<\/li>\n\n\n\n<li>Gravidade do impacto<\/li>\n\n\n\n<li>Largura de trabalho<\/li>\n\n\n\n<li>Intrus\u00e3o no ve\u00edculo<\/li>\n\n\n\n<li>Testes de colis\u00e3o<\/li>\n\n\n\n<li>Terminais<\/li>\n\n\n\n<li>Transi\u00e7\u00f5es<\/li>\n\n\n\n<li>Classifica\u00e7\u00e3o de desempenho<\/li>\n<\/ul>\n\n\n\n<p>Uma caracter\u00edstica importante da abordagem da norma EN 1317 \u00e9 o facto de as barreiras serem classificadas de acordo com o seu desempenho comprovado em ensaios, em vez de serem simplesmente descritas pelas suas dimens\u00f5es f\u00edsicas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"EN_1317_Containment_Levels\"><\/span>EN 1317 N\u00edveis de conten\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>As barreiras rodovi\u00e1rias testadas de acordo com a norma EN 1317 podem ser classificadas em diferentes n\u00edveis de conten\u00e7\u00e3o, consoante o seu desempenho durante os ensaios de colis\u00e3o.<\/p>\n\n\n\n<p>As classifica\u00e7\u00f5es mais comuns incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N1<\/li>\n\n\n\n<li>N2<\/li>\n\n\n\n<li>H1<\/li>\n\n\n\n<li>H2<\/li>\n\n\n\n<li>H3<\/li>\n\n\n\n<li>H4a<\/li>\n\n\n\n<li>H4b<\/li>\n<\/ul>\n\n\n\n<p>O n\u00edvel de conten\u00e7\u00e3o adequado depende de fatores como a conce\u00e7\u00e3o da estrada, as condi\u00e7\u00f5es de tr\u00e1fego, os tipos de ve\u00edculos, os riscos \u00e0 beira da estrada e as consequ\u00eancias de um ve\u00edculo sair da faixa de rodagem.<\/p>\n\n\n\n<p>Por exemplo, uma barreira concebida principalmente para ve\u00edculos de passageiros pode n\u00e3o proporcionar o mesmo desempenho de conten\u00e7\u00e3o exigido em locais onde \u00e9 comum a circula\u00e7\u00e3o de ve\u00edculos comerciais pesados.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Working_Width\"><\/span>Largura de trabalho<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Outro par\u00e2metro importante da norma EN 1317 \u00e9 a largura de trabalho.<\/p>\n\n\n\n<p>A largura de trabalho descreve a dist\u00e2ncia lateral m\u00e1xima que um sistema de barreiras ocupa durante um impacto, incluindo o movimento din\u00e2mico da barreira.<\/p>\n\n\n\n<p>Isto \u00e9 particularmente importante quando existem objetos fixos, declives acentuados, estruturas ou outros perigos imediatamente atr\u00e1s da barreira de prote\u00e7\u00e3o.<\/p>\n\n\n\n<p>Por conseguinte, a escolha de um parapeito de seguran\u00e7a para autoestradas com base apenas no n\u00edvel de conten\u00e7\u00e3o n\u00e3o \u00e9 suficiente. Os engenheiros devem tamb\u00e9m ter em conta a largura de trabalho e outras caracter\u00edsticas de desempenho testadas.<\/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\/08\/AASHTO-M180-Highway-Guardrail-Steel-Components.jpg\" alt=\"AASHTO M180: Componentes de a\u00e7o para guardas de seguran\u00e7a rodovi\u00e1rias\" class=\"wp-image-4921\" srcset=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/AASHTO-M180-Highway-Guardrail-Steel-Components.jpg 600w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/AASHTO-M180-Highway-Guardrail-Steel-Components-400x267.jpg 400w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/AASHTO-M180-Highway-Guardrail-Steel-Components-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AASHTO_M180_Highway_Guardrail_Steel_Components\"><\/span>AASHTO M180: Componentes de a\u00e7o para guardas de seguran\u00e7a rodovi\u00e1rias<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nos Estados Unidos e em muitos mercados internacionais influenciados pelas especifica\u00e7\u00f5es rodovi\u00e1rias norte-americanas, a norma AASHTO M180 constitui uma especifica\u00e7\u00e3o importante para os componentes das barreiras de seguran\u00e7a rodovi\u00e1rias.<\/p>\n\n\n\n<p>A atual especifica\u00e7\u00e3o AASHTO M180 intitula-se \u201cEspecifica\u00e7\u00e3o Padr\u00e3o para Componentes de A\u00e7o para Barreiras de Seguran\u00e7a Rodovi\u00e1rias\u201d. Abrange os componentes de a\u00e7o utilizados em sistemas de barreiras de seguran\u00e7a rodovi\u00e1rias n\u00e3o exclusivos, incluindo <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-beam\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/guardrail-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">vigas de guarda-corpos<\/a><\/strong>, transi\u00e7\u00f5es, <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-end-terminal\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/guardrail-end-terminal\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">sec\u00e7\u00f5es finais<\/a><\/strong>, elementos de fixa\u00e7\u00e3o, <strong><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-post\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/guardrail-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">postos<\/a><\/strong>, e componentes de fixa\u00e7\u00e3o.<\/p>\n\n\n\n<p>Esta distin\u00e7\u00e3o \u00e9 importante:<\/p>\n\n\n\n<p>A norma AASHTO M180 \u00e9, essencialmente, uma especifica\u00e7\u00e3o relativa a materiais e componentes, enquanto os requisitos de desempenho em caso de colis\u00e3o s\u00e3o abordados atrav\u00e9s de procedimentos separados de avalia\u00e7\u00e3o dos dispositivos de seguran\u00e7a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_AASHTO_M180_Cover\"><\/span>O que abrange a norma AASHTO M180?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Dependendo da edi\u00e7\u00e3o e do componente aplic\u00e1veis, a norma AASHTO M180 aborda aspetos como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vigas de guarda-corpo em a\u00e7o ondulado<\/li>\n\n\n\n<li><a href=\"https:\/\/roadskyguardrail.com\/pt\/w-beam\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/w-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Guarda-corpos de viga W<\/a><\/li>\n\n\n\n<li>Vigas de transi\u00e7\u00e3o<\/li>\n\n\n\n<li>Sec\u00e7\u00f5es finais<\/li>\n\n\n\n<li>Sec\u00e7\u00f5es tamp\u00e3o<\/li>\n\n\n\n<li>Conectores terminais<\/li>\n\n\n\n<li>Placas de apoio<\/li>\n\n\n\n<li>Postes de a\u00e7o<\/li>\n\n\n\n<li><a href=\"https:\/\/roadskyguardrail.com\/pt\/guardrail-bolts-nuts\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/guardrail-bolts-nuts\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Parafusos, porcas<\/a>, e <a href=\"https:\/\/roadskyguardrail.com\/pt\/spacer\" data-type=\"link\" data-id=\"https:\/\/roadskyguardrail.com\/spacer\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">anilhas<\/a><\/li>\n\n\n\n<li>Cabos de a\u00e7o e acess\u00f3rios<\/li>\n\n\n\n<li>Revestimentos de prote\u00e7\u00e3o<\/li>\n\n\n\n<li>Requisitos relativos aos materiais e ao fabrico<\/li>\n<\/ul>\n\n\n\n<p>A especifica\u00e7\u00e3o aborda tamb\u00e9m diferentes tipos de prote\u00e7\u00e3o contra a corros\u00e3o e os requisitos relacionados com o revestimento, o armazenamento e o manuseamento.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Is_AASHTO_M180_Important\"><\/span>Por que \u00e9 que a norma AASHTO M180 \u00e9 importante?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Uma barreira de seguran\u00e7a rodovi\u00e1ria deve manter as suas propriedades estruturais em ambientes exteriores exigentes. As barreiras \u00e0 beira da estrada est\u00e3o expostas a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chuva<\/li>\n\n\n\n<li>Humidade<\/li>\n\n\n\n<li>Sal para estradas<\/li>\n\n\n\n<li>Varia\u00e7\u00f5es de temperatura<\/li>\n\n\n\n<li>Exposi\u00e7\u00e3o aos raios UV<\/li>\n\n\n\n<li>Colis\u00f5es de ve\u00edculos<\/li>\n\n\n\n<li>Atividades de constru\u00e7\u00e3o e manuten\u00e7\u00e3o<\/li>\n<\/ul>\n\n\n\n<p>A norma AASHTO M180 contribui para estabelecer requisitos uniformes para os componentes de a\u00e7o utilizados nos sistemas de guardas de seguran\u00e7a rodovi\u00e1rias.<\/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\/08\/AS-NZS-Standards-for-Highway-Guardrail.jpg\" alt=\"Normas AS\/NZS para guardas de seguran\u00e7a rodovi\u00e1rias\" class=\"wp-image-4922\" srcset=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/AS-NZS-Standards-for-Highway-Guardrail.jpg 600w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/AS-NZS-Standards-for-Highway-Guardrail-400x267.jpg 400w, https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/AS-NZS-Standards-for-Highway-Guardrail-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ASNZS_Standards_for_Highway_Guardrail\"><\/span>Normas AS\/NZS para guardas de seguran\u00e7a rodovi\u00e1rias<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A Austr\u00e1lia e a Nova Zel\u00e2ndia utilizam o seu pr\u00f3prio quadro normativo para as barreiras de seguran\u00e7a rodovi\u00e1ria, baseado na s\u00e9rie AS\/NZS 3845.<\/p>\n\n\n\n<p>A norma AS\/NZS 3845 aborda os sistemas e dispositivos de barreiras de seguran\u00e7a rodovi\u00e1ria e abrange \u00e1reas como requisitos dos sistemas, ensaios de colis\u00e3o, instala\u00e7\u00e3o, manuten\u00e7\u00e3o e avalia\u00e7\u00e3o. A Austroads refere que a norma AS\/NZS 3845 \u00e9 utilizada em conjunto com o Manual para a Avalia\u00e7\u00e3o de Equipamentos de Seguran\u00e7a (MASH) da AASHTO na avalia\u00e7\u00e3o de equipamentos de seguran\u00e7a rodovi\u00e1ria para o mercado da Austral\u00e1sia.<\/p>\n\n\n\n<p>O quadro atual inclui:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AS\/NZS 3845.1:2015<\/strong> \u2013 Sistemas de barreiras de seguran\u00e7a rodovi\u00e1ria<\/li>\n\n\n\n<li><strong>AS\/NZS 3845.2:2017<\/strong> \u2013 Dispositivos de seguran\u00e7a rodovi\u00e1ria<\/li>\n<\/ul>\n\n\n\n<p>Estas normas substitu\u00edram partes do quadro normativo anterior AS\/NZS 3845:1999.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ASNZS_3845_and_Crash_Testing\"><\/span>AS\/NZS 3845 e ensaios de colis\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A norma AS\/NZS 3845 estabelece os requisitos para os sistemas de barreiras de seguran\u00e7a rodovi\u00e1ria e inclui os requisitos relativos aos ensaios de colis\u00e3o utilizados para determinar a adequa\u00e7\u00e3o de um sistema.<\/p>\n\n\n\n<p>Isto significa que a avalia\u00e7\u00e3o se centra no desempenho do sistema de barreiras, em vez de se limitar a verificar se uma determinada viga em W tem as dimens\u00f5es corretas.<\/p>\n\n\n\n<p>No caso de projetos na Austr\u00e1lia e na Nova Zel\u00e2ndia, os engenheiros e empreiteiros poder\u00e3o tamb\u00e9m ter de ter em conta os requisitos das entidades rodovi\u00e1rias locais e as listas de produtos aprovados.<\/p>\n\n\n\n<p>Por exemplo, as especifica\u00e7\u00f5es da Waka Kotahi, da Nova Zel\u00e2ndia, relativas \u00e0s barreiras de seguran\u00e7a rodovi\u00e1ria exigem a utiliza\u00e7\u00e3o de sistemas de equipamento de seguran\u00e7a homologados para aplica\u00e7\u00f5es em autoestradas estatais, sendo que o quadro normativo relevante faz refer\u00eancia \u00e0s normas AS\/NZS 3845 e MASH.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"EN_1317_vs_AASHTO_M180_vs_ASNZS_3845\"><\/span>EN 1317 vs AASHTO M180 vs AS\/NZS 3845<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Embora estas normas sejam frequentemente mencionadas em conjunto quando se fala de guardas de seguran\u00e7a rodovi\u00e1rias, n\u00e3o t\u00eam exatamente a mesma finalidade.<\/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\">Padr\u00e3o<\/th><th class=\"has-text-align-center\" data-align=\"center\">Mercado Principal<\/th><th class=\"has-text-align-center\" data-align=\"center\">Foco principal<\/th><th class=\"has-text-align-center\" data-align=\"center\">Aplica\u00e7\u00e3o t\u00edpica<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">EN 1317<\/td><td class=\"has-text-align-center\" data-align=\"center\">A Europa e os mercados que utilizam normas europeias<\/td><td class=\"has-text-align-center\" data-align=\"center\">Desempenho e classifica\u00e7\u00e3o dos sistemas de conten\u00e7\u00e3o rodovi\u00e1ria<\/td><td class=\"has-text-align-center\" data-align=\"center\">Sistemas de reten\u00e7\u00e3o para ve\u00edculos submetidos a ensaios de colis\u00e3o<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">AASHTO M180<\/td><td class=\"has-text-align-center\" data-align=\"center\">Projetos nos Estados Unidos e a n\u00edvel internacional que utilizam as especifica\u00e7\u00f5es da AASHTO<\/td><td class=\"has-text-align-center\" data-align=\"center\">Componentes e materiais das barreiras de prote\u00e7\u00e3o em a\u00e7o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vigas em W, postes, elementos de fixa\u00e7\u00e3o e componentes relacionados<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">AS\/NZS 3845<\/td><td class=\"has-text-align-center\" data-align=\"center\">Austr\u00e1lia e Nova Zel\u00e2ndia<\/td><td class=\"has-text-align-center\" data-align=\"center\">Sistemas e dispositivos de barreiras de seguran\u00e7a rodovi\u00e1ria<\/td><td class=\"has-text-align-center\" data-align=\"center\">Conce\u00e7\u00e3o, avalia\u00e7\u00e3o, ensaio e instala\u00e7\u00e3o de barreiras<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Crash_Testing_Matters_for_Highway_Guardrail\"><\/span>Por que raz\u00e3o os ensaios de colis\u00e3o s\u00e3o importantes para as barreiras de seguran\u00e7a rodovi\u00e1rias<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Uma barreira de seguran\u00e7a rodovi\u00e1ria \u00e9 um sistema de seguran\u00e7a, n\u00e3o apenas um produto de a\u00e7o.<\/p>\n\n\n\n<p>Durante um impacto com um ve\u00edculo, a barreira de seguran\u00e7a deve absorver e redirecionar a energia de forma controlada. O sistema pode deformar-se, os postes podem rodar ou ser arrancados e a barreira pode desviar-se lateralmente.<\/p>\n\n\n\n<p>Uma barreira eficaz deve ajudar a impedir que o ve\u00edculo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sair da faixa de rodagem<\/li>\n\n\n\n<li>Passar pela barreira<\/li>\n\n\n\n<li>A saltar por cima da barreira<\/li>\n\n\n\n<li>Ultrapassar a barreira<\/li>\n\n\n\n<li>Reentrar no fluxo de tr\u00e1fego de forma insegura<\/li>\n\n\n\n<li>Criar um risco excessivo para os ocupantes do ve\u00edculo<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclus\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As normas EN 1317, AASHTO M180 e AS\/NZS 3845 s\u00e3o normas importantes para as barreiras de seguran\u00e7a rodovi\u00e1rias, mas cada uma delas centra-se em requisitos diferentes. Ao selecionar uma barreira de seguran\u00e7a, deve ter em conta a norma aplic\u00e1vel, o desempenho em caso de colis\u00e3o, as especifica\u00e7\u00f5es dos materiais e os requisitos de instala\u00e7\u00e3o, de modo a garantir um sistema de barreiras seguro e em conformidade com a regulamenta\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Highway guardrails are an essential part of modern road safety infrastructure. They are designed to redirect vehicles, reduce the severity of run-off-road crashes, and protect motorists from roadside hazards such as steep slopes, fixed objects, bridges, and opposing traffic. However, not all highway guardrails are manufactured or evaluated according to the same requirements. Different markets use different standards and testing systems to determine whether a road safety barrier is suitable for a particular application. Among the most widely referenced standards are EN 1317 in Europe, AASHTO M180 in the United States, and AS\/NZS standards in Australia and New Zealand. EN 1317: European Standard for Road Restraint Systems EN 1317 is the European standard series covering road restraint systems. It provides a framework for evaluating and classifying roadside safety barriers, vehicle parapets, terminals, transitions, and other restraint systems. Unlike a material specification that focuses primarily on steel composition or dimensions, EN 1317 places significant emphasis on the performance of the complete &#8230;<\/p>","protected":false},"author":1,"featured_media":4923,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-4919","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EN 1317, AASHTO M180 &amp; AS\/NZS Standards Explained<\/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\/en-1317-aashto-m180-as-nzs-standards-explained\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EN 1317, AASHTO M180 &amp; AS\/NZS Standards Explained\" \/>\n<meta property=\"og:description\" content=\"Highway guardrails are an essential part of modern road safety infrastructure. They are designed to redirect vehicles, reduce the severity of run-off-road crashes, and protect motorists from roadside hazards such as steep slopes, fixed objects, bridges, and opposing traffic. However, not all highway guardrails are manufactured or evaluated according to the same requirements. Different markets use different standards and testing systems to determine whether a road safety barrier is suitable for a particular application. Among the most widely referenced standards are EN 1317 in Europe, AASHTO M180 in the United States, and AS\/NZS standards in Australia and New Zealand. EN 1317: European Standard for Road Restraint Systems EN 1317 is the European standard series covering road restraint systems. It provides a framework for evaluating and classifying roadside safety barriers, vehicle parapets, terminals, transitions, and other restraint systems. Unlike a material specification that focuses primarily on steel composition or dimensions, EN 1317 places significant emphasis on the performance of the complete ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/roadskyguardrail.com\/pt\/en-1317-aashto-m180-as-nzs-standards-explained\" \/>\n<meta property=\"og:site_name\" content=\"Nanjing Roadsky Traffic Facility Co.,Ltd (Roadsky Corporation)\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-17T06:19:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T06:20:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/08\/Highway-Guardrail-Standards.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=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\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\\\/en-1317-aashto-m180-as-nzs-standards-explained#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/en-1317-aashto-m180-as-nzs-standards-explained\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/#\\\/schema\\\/person\\\/16221aef5d23da298e3c2de708adbfa1\"},\"headline\":\"EN 1317, AASHTO M180 &amp; 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