{"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\/it\/w-beam-guardrail-specifications-explained","title":{"rendered":"Spiegazioni sulle specifiche dei parapetti con travi a 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\">Indice dei contenuti<\/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=\"Allinea la tabella dei contenuti\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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\/it\/w-beam-guardrail-specifications-explained\/#What_is_a_W-Beam_Guardrail\" >Che cos'\u00e8 un guardrail con trave a 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\/it\/w-beam-guardrail-specifications-explained\/#Standard_W-Beam_Guardrail_Dimensions\" >Dimensioni del parapetto standard con trave a W<\/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\/it\/w-beam-guardrail-specifications-explained\/#Common_Beam_Lengths\" >Lunghezze comuni dei fasci<\/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\/it\/w-beam-guardrail-specifications-explained\/#Cross-Section_Dimensions\" >Dimensioni della sezione trasversale<\/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\/it\/w-beam-guardrail-specifications-explained\/#W-Beam_Guardrail_Thickness_Specifications\" >Specifiche dello spessore del parapetto con travi a 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\/it\/w-beam-guardrail-specifications-explained\/#Standard_Thickness_Options\" >Opzioni di spessore standard<\/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\/it\/w-beam-guardrail-specifications-explained\/#Materials_Used_in_W-Beam_Guardrails\" >Materiali utilizzati nei parapetti con travi a 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\/it\/w-beam-guardrail-specifications-explained\/#Common_Steel_Grades\" >Gradi di acciaio comuni<\/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\/it\/w-beam-guardrail-specifications-explained\/#Surface_Treatment_and_Corrosion_Protection\" >Trattamento superficiale e protezione dalla corrosione<\/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\/it\/w-beam-guardrail-specifications-explained\/#Hot-Dip_Galvanizing\" >Zincatura a caldo<\/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\/it\/w-beam-guardrail-specifications-explained\/#Powder_Coating_Optional\" >Rivestimento a polvere (opzionale)<\/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\/it\/w-beam-guardrail-specifications-explained\/#Major_International_Standards_for_W-Beam_Guardrails\" >Principali standard internazionali per i parapetti con travi a 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\/it\/w-beam-guardrail-specifications-explained\/#1_North_America\" >1. America del Nord<\/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\/it\/w-beam-guardrail-specifications-explained\/#2_Europe\" >2. L'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\/it\/w-beam-guardrail-specifications-explained\/#3_Other_International_Standards\" >3. Altri standard internazionali<\/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\/it\/w-beam-guardrail-specifications-explained\/#Main_Components_of_a_W-Beam_Guardrail_System\" >Componenti principali di un sistema di parapetti a 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\/it\/w-beam-guardrail-specifications-explained\/#Essential_Components\" >Componenti essenziali<\/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\/it\/w-beam-guardrail-specifications-explained\/#Typical_W-Beam_Guardrail_Post_Specifications\" >Specifiche tipiche dei montanti per parapetto con travi a 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\/it\/w-beam-guardrail-specifications-explained\/#Standard_Post_Lengths\" >Lunghezze standard dei pali<\/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\/it\/w-beam-guardrail-specifications-explained\/#W-Beam_vs_Thrie-Beam_Guardrail\" >Parapetto con trave a W o a tre travi<\/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\/it\/w-beam-guardrail-specifications-explained\/#W-Beam_Guardrail_Price\" >Prezzo del parapetto con trave a 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\/it\/w-beam-guardrail-specifications-explained\/#Summary\" >Sintesi<\/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\/it\/w-beam-guardrail-specifications-explained\/#FAQs\" >Domande frequenti<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p><strong><a href=\"https:\/\/roadskyguardrail.com\/it\/w-beam\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/w-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Parapetti con travi a W<\/a><\/strong> sono tra le barriere di sicurezza autostradali pi\u00f9 utilizzate al mondo. Progettati per reindirizzare i veicoli erranti, ridurre la gravit\u00e0 degli incidenti e migliorare la sicurezza stradale, i sistemi di guardrail con travi a W sono una scelta standard per autostrade, ponti, strade rurali, aree di parcheggio e impianti industriali. La comprensione delle specifiche dei guardrail con travi a W \u00e8 essenziale per ingegneri, appaltatori, distributori e proprietari di progetti che cercano soluzioni di sicurezza stradale conformi e affidabili.<\/p>\n\n\n\n<p>Questa guida illustra le principali specifiche dei parapetti con travi a W, comprese le dimensioni, i materiali, lo spessore, gli standard, i componenti e i fattori da considerare per la scelta del sistema giusto per il vostro progetto.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_W-Beam_Guardrail\"><\/span>Che cos'\u00e8 un guardrail con trave a W?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Il guardrail con trave a W \u00e8 una barriera stradale semirigida realizzata in acciaio ondulato. Il suo caratteristico profilo a \u201cW\u201d, formato da due onde, garantisce resistenza e flessibilit\u00e0, consentendo di assorbire l'energia dell'impatto e di reindirizzare i veicoli sulla carreggiata.<\/p>\n\n\n\n<p>Rispetto alle barriere rigide in calcestruzzo, i guardrail con travi a W offrono un equilibrio economico tra assorbimento di energia, facilit\u00e0 di installazione ed efficienza nella manutenzione. Vengono comunemente installati lungo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Autostrade e superstrade<\/li>\n\n\n\n<li>Ponti e cavalcavia<\/li>\n\n\n\n<li>Strade di montagna e curve strette<\/li>\n\n\n\n<li>Mediane e scarpate stradali<\/li>\n\n\n\n<li>Parcheggi e zone industriali<\/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=\"Dimensioni del parapetto standard con trave a W\" 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>Dimensioni del parapetto standard con trave a W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I parapetti con travi a W sono prodotti in dimensioni standardizzate per garantire la compatibilit\u00e0 con i montanti, i distanziatori e le sezioni terminali.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Beam_Lengths\"><\/span>Lunghezze comuni dei fasci<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> - Lunghezza effettiva standard utilizzata in molti mercati internazionali<\/li>\n\n\n\n<li><strong>4.000 mm<\/strong> - Comune in progetti regionali specifici<\/li>\n\n\n\n<li><strong>3.810 mm (12 ft 6 in)<\/strong> - Utilizzato frequentemente in Nord America<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cross-Section_Dimensions\"><\/span>Dimensioni della sezione trasversale<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Larghezza del fascio<\/strong>: Da 310 mm a 312 mm<\/li>\n\n\n\n<li><strong>Profondit\u00e0 dell'onda<\/strong>Da 80 mm a 85 mm<\/li>\n\n\n\n<li><strong>Larghezza della flangia<\/strong>: Circa 55 mm<\/li>\n<\/ul>\n\n\n\n<p>Queste dimensioni garantiscono l'integrit\u00e0 strutturale necessaria per resistere agli impatti dei veicoli mantenendo una deflessione controllata.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"W-Beam_Guardrail_Thickness_Specifications\"><\/span>Specifiche dello spessore del parapetto con travi a W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Lo spessore del guardrail influisce direttamente sulla resistenza agli urti, sulla durata e sulla conformit\u00e0 ai requisiti del progetto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Thickness_Options\"><\/span>Opzioni di spessore standard<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2,67 mm (calibro 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 (calibro 10)<\/li>\n\n\n\n<li>4,00 mm (per applicazioni pesanti)<\/li>\n<\/ul>\n\n\n\n<p>Gli spessori pi\u00f9 comunemente specificati sono <strong>2,67 mm<\/strong> e <strong>3,43 mm<\/strong>. I calibri pi\u00f9 pesanti garantiscono una maggiore durata e sono spesso scelti per strade ad alta velocit\u00e0, ponti e luoghi ad alto rischio.<\/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=\"Materiali utilizzati nei parapetti con travi a 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>Materiali utilizzati nei parapetti con travi a W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I parapetti con travi a W sono generalmente realizzati in acciaio ad alta resistenza per garantire durata, duttilit\u00e0 e prestazioni d'impatto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Steel_Grades\"><\/span>Gradi di acciaio comuni<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Acciaio Q235<\/li>\n\n\n\n<li>Acciaio Q345<\/li>\n\n\n\n<li>Acciaio ASTM A36<\/li>\n\n\n\n<li>Acciaio ASTM A572 grado 50<\/li>\n\n\n\n<li>Acciaio S275JR \/ S355JR<\/li>\n<\/ul>\n\n\n\n<p>La scelta del materiale dipende dagli standard locali, dalle specifiche del progetto e dalle condizioni ambientali.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Surface_Treatment_and_Corrosion_Protection\"><\/span>Trattamento superficiale e protezione dalla corrosione<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Per garantire prestazioni a lungo termine in ambienti esterni, i parapetti con travi a W richiedono rivestimenti resistenti alla corrosione.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hot-Dip_Galvanizing\"><\/span>Zincatura a caldo<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>La zincatura a caldo \u00e8 la finitura protettiva pi\u00f9 comune.<\/p>\n\n\n\n<p>Standard di rivestimento: ASTM A123, AASHTO M180, EN ISO 1461<\/p>\n\n\n\n<p>Peso tipico del rivestimento in 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\/it\/w-beam\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/w-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Parapetti zincati con travi a W<\/a><\/strong> offrono un'eccellente resistenza alla ruggine, all'umidit\u00e0, alla nebbia salina e alle intemperie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Powder_Coating_Optional\"><\/span>Rivestimento a polvere (opzionale)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Per migliorare l'estetica o per una maggiore protezione, la verniciatura a polvere pu\u00f2 essere applicata sull'acciaio zincato. I colori pi\u00f9 comuni sono:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Verde<\/li>\n\n\n\n<li>Grigio<\/li>\n\n\n\n<li>Marrone<\/li>\n\n\n\n<li>Colori di progetto personalizzati<\/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>Principali standard internazionali per i parapetti con travi a W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La conformit\u00e0 agli standard riconosciuti \u00e8 fondamentale per la sicurezza e l'approvazione del progetto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_North_America\"><\/span>1. America del Nord<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AASHTO M180<\/strong> - Specifica standard per le travi in lamiera ondulata per la costruzione di un'unit\u00e0 di misura. <strong><a href=\"https:\/\/roadskyguardrail.com\/it\/\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Guardrail autostradale<\/a><\/strong><\/li>\n\n\n\n<li><strong>MASH<\/strong> - Manuale per la valutazione dell'hardware di sicurezza<\/li>\n\n\n\n<li><strong>ASTM A123<\/strong> - Rivestimento in zinco standard<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Europe\"><\/span>2. L'Europa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EN 1317 - Requisiti prestazionali dei sistemi di ritenuta stradale<\/li>\n\n\n\n<li>EN ISO 1461 - Rivestimenti galvanizzati a caldo<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Other_International_Standards\"><\/span>3. Altri standard internazionali<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AS\/NZS 3845 (Australia\/Nuova Zelanda)<\/li>\n\n\n\n<li>JT\/T 281 (Cina)<\/li>\n\n\n\n<li>RAL-RG 620 (Germania)<\/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=\"Componenti principali di un sistema di parapetti a 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>Componenti principali di un sistema di parapetti a W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Un'installazione completa di guardrail con travi a W comprende diversi componenti che lavorano insieme come un sistema di sicurezza integrato.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Essential_Components\"><\/span>Componenti essenziali<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pannelli di guida a W<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/it\/guardrail-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Pali in acciaio<\/a><\/strong> (<strong><a href=\"https:\/\/roadskyguardrail.com\/it\/c-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/c-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Postazione C<\/a><\/strong>, <strong><a href=\"https:\/\/roadskyguardrail.com\/it\/u-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/u-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Palo a U<\/a><\/strong>, <strong><a href=\"https:\/\/roadskyguardrail.com\/it\/sigma-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/sigma-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Postazione Sigma<\/a><\/strong>, o <strong><a href=\"https:\/\/roadskyguardrail.com\/it\/h-post\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/h-post\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Palo con trave a I<\/a><\/strong>)<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/it\/guardrail-spacer\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-spacer\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Blocchi distanziatori<\/a><\/strong> (acciaio o composito)<\/li>\n\n\n\n<li>Tappi postali<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/it\/guardrail-bolts-nuts\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-bolts-nuts\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Bulloni e dadi di collegamento<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/it\/guardrail-end-terminal\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-end-terminal\" target=\"_blank\" rel=\"noreferrer noopener\">Sezioni terminali<\/a><\/strong><\/li>\n\n\n\n<li>Sezioni di transizione<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/roadskyguardrail.com\/it\/guardrail-reflector\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/guardrail-reflector\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Riflettori<\/a><\/strong> (opzionale)<\/li>\n<\/ul>\n\n\n\n<p>Ogni componente deve soddisfare gli stessi standard applicabili alla trave stessa.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_W-Beam_Guardrail_Post_Specifications\"><\/span>Specifiche tipiche dei montanti per parapetto con travi a W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Le dimensioni comuni dei pali includono:<\/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>Montante I-Beam:<\/strong> W150 o equivalente<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Post_Lengths\"><\/span>Lunghezze standard dei pali<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>Lunghezze personalizzate disponibili<\/li>\n<\/ul>\n\n\n\n<p>La distanza tra i pali \u00e8 tipicamente:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1,905 m (6 ft 3 in)<\/strong> - Spaziatura standard<\/li>\n\n\n\n<li><strong>2.0 m<\/strong> - Comune a molti progetti internazionali<\/li>\n\n\n\n<li><strong>4.0 m<\/strong> - Applicazioni speciali<\/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>Parapetto con trave a W o a tre travi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Mentre i guardrail con travi a W sono i pi\u00f9 comuni, <strong><a href=\"https:\/\/roadskyguardrail.com\/it\/thrie-beam\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/thrie-beam\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">Parapetti a tre raggi<\/a><\/strong> offrono un'ulteriore resistenza.<\/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\">Caratteristica<\/th><th class=\"has-text-align-center\" data-align=\"center\">Trave a W<\/th><th class=\"has-text-align-center\" data-align=\"center\">Raggio di triade<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Numero di onde<\/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\">Larghezza<\/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\">La forza<\/td><td class=\"has-text-align-center\" data-align=\"center\">Standard<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pi\u00f9 alto<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>I sistemi a tre travi sono spesso scelti quando \u00e8 richiesto un maggiore contenimento o una deflessione ridotta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"W-Beam_Guardrail_Price\"><\/span>Prezzo del parapetto con trave a W<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I prezzi dei guardrail con travi a W variano in genere da 15 a 50 dollari al metro per un sistema completo, a seconda dello spessore dell'acciaio, dei requisiti di zincatura, degli standard di conformit\u00e0 e degli accessori inclusi. Gli ordini in blocco e le condizioni di esportazione FOB China possono ridurre il costo unitario, mentre gli spessori pi\u00f9 pesanti e le specifiche di zincatura pi\u00f9 elevate aumentano il prezzo complessivo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>Sintesi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I guardrail con travi a W svolgono un ruolo fondamentale nei moderni sistemi di sicurezza stradale, riducendo efficacemente la gravit\u00e0 degli incidenti e proteggendo sia i conducenti che le infrastrutture stradali. Grazie alle dimensioni standardizzate, alla struttura in acciaio resistente e alle specifiche riconosciute a livello internazionale, rimangono una delle soluzioni di sicurezza autostradale pi\u00f9 affidabili e utilizzate in tutto il mondo.<\/p>\n\n\n\n<p>Infine, ci auguriamo che ora abbiate una chiara comprensione delle specifiche dei guardrail con travi a W e di come le dimensioni e gli standard adeguati svolgano un ruolo fondamentale nel mantenere le strade sicure. Se siete alla ricerca di un fornitore affidabile di prodotti per la sicurezza stradale per il vostro progetto, non esitate a contattarci. <strong><a href=\"https:\/\/roadskyguardrail.com\/it\/contact\" type=\"link\" id=\"https:\/\/roadskyguardrail.com\/contact\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">contattateci<\/a><\/strong> per maggiori dettagli e per un preventivo altamente competitivo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>Domande frequenti<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 durano i parapetti zincati con travi a W?<\/strong> <p class=\"schema-faq-answer\">Con un'adeguata zincatura a caldo, i parapetti con travi a W possono durare 20-30 anni, a seconda delle condizioni ambientali.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777013427057\"><strong class=\"schema-faq-question\">2. Qual \u00e8 la differenza tra guardrail a W e a tre travi?<\/strong> <p class=\"schema-faq-answer\">La trave W ha due onde e viene utilizzata per la protezione stradale standard, mentre la trave Thrie ha tre onde e offre una maggiore resistenza per ponti e aree ad alto rischio.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777013461624\"><strong class=\"schema-faq-question\">3. Come si calcola il prezzo del guardrail con travi a W?<\/strong> <p class=\"schema-faq-answer\">I prezzi dipendono dallo spessore dell'acciaio, dal tipo di rivestimento, dai componenti del sistema, dalla quantit\u00e0 ordinata e dai costi di spedizione, solitamente quotati al metro o al set.<\/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\/it\/w-beam-guardrail-specifications-explained\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\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\/it\/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 minuti\" \/>\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\":\"it-IT\"},{\"@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 Long Do Galvanized W-Beam Guardrails Last?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"With proper hot-dip galvanizing, W-beam guardrails can last 20\u201330 years depending on environmental conditions.\",\"inLanguage\":\"it-IT\"},\"inLanguage\":\"it-IT\"},{\"@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. What is the Difference Between W-Beam and Thrie-Beam Guardrails?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"W-beam has two waves and is used for standard road protection, while Thrie-beam has three waves and offers higher strength for bridges and high-risk areas.\",\"inLanguage\":\"it-IT\"},\"inLanguage\":\"it-IT\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained#faq-question-1777013461624\",\"position\":3,\"url\":\"https:\\\/\\\/roadskyguardrail.com\\\/w-beam-guardrail-specifications-explained#faq-question-1777013461624\",\"name\":\"3. 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\":\"it-IT\"},\"inLanguage\":\"it-IT\"}]}<\/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\/it\/w-beam-guardrail-specifications-explained","og_locale":"it_IT","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. 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 ...","og_url":"https:\/\/roadskyguardrail.com\/it\/w-beam-guardrail-specifications-explained","og_site_name":"Nanjing Roadsky Traffic Facility Co.,Ltd (Roadsky Corporation)","article_published_time":"2026-04-24T07:29:58+00:00","article_modified_time":"2026-04-24T07:43:16+00:00","og_image":[{"width":600,"height":400,"url":"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2026\/04\/Standard-W-Beam-Guardrail-Dimensions.jpg","type":"image\/jpeg"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"Written by":"admin","Est. reading time":"6 minuti"},"schema":{"@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":"it-IT"},{"@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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Quanto durano i parapetti zincati con travi a W?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"With proper hot-dip galvanizing, W-beam guardrails can last 20\u201330 years depending on environmental conditions.","inLanguage":"it-IT"},"inLanguage":"it-IT"},{"@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. Qual \u00e8 la differenza tra guardrail a W e a tre travi?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"W-beam has two waves and is used for standard road protection, while Thrie-beam has three waves and offers higher strength for bridges and high-risk areas.","inLanguage":"it-IT"},"inLanguage":"it-IT"},{"@type":"Question","@id":"https:\/\/roadskyguardrail.com\/w-beam-guardrail-specifications-explained#faq-question-1777013461624","position":3,"url":"https:\/\/roadskyguardrail.com\/w-beam-guardrail-specifications-explained#faq-question-1777013461624","name":"3. Come si calcola il prezzo del guardrail con travi a W?","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":"it-IT"},"inLanguage":"it-IT"}]}},"_links":{"self":[{"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/posts\/4878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/comments?post=4878"}],"version-history":[{"count":2,"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/posts\/4878\/revisions"}],"predecessor-version":[{"id":4885,"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/posts\/4878\/revisions\/4885"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/media\/4881"}],"wp:attachment":[{"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/media?parent=4878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/categories?post=4878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/roadskyguardrail.com\/it\/wp-json\/wp\/v2\/tags?post=4878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}