{"id":52249,"date":"2025-07-09T17:26:00","date_gmt":"2025-07-09T09:26:00","guid":{"rendered":"https:\/\/www.sunhelmmarine.com\/?p=52249"},"modified":"2026-04-21T01:33:50","modified_gmt":"2026-04-21T01:33:50","slug":"how-to-calculate-the-right-arch-fenders-size-for-your-vessel","status":"publish","type":"post","link":"https:\/\/www.sunhelmmarine.com\/fr\/how-to-calculate-the-right-arch-fenders-size-for-your-vessel\/","title":{"rendered":"Comment calculer la taille des d\u00e9fenses en arceau pour votre navire\uff1f"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Pourquoi le calcul de la taille de l'arceau est n\u00e9cessaire - et urgent<\/h2>\n\n\n\n<p>Lorsque votre navire glisse doucement vers son poste d'amarrage, vous pensez rarement aux h\u00e9ros cach\u00e9s : les d\u00e9fenses marines. Mais si ces d\u00e9fenses sont trop petites, votre coque risque d'\u00eatre \u00e9rafl\u00e9e, bossel\u00e9e, voire pire, tandis que des d\u00e9fenses trop grandes peuvent glisser ou heurter l'eau de mani\u00e8re inefficace. J'ai vu un yacht de plaisance de 30 pieds dont les d\u00e9fenses d'arceau \u00e9taient trop petites rebondir sur sa borne d'amarrage, endommageant une couche de peinture fra\u00eeche. Le co\u00fbt ? Plus qu'une simple question d'esth\u00e9tique. En calculant les <strong><a href=\"https:\/\/www.sunhelmmarine.com\/fr\/marine-rubber-fenders\/super-arch-fender\/\">taille de l'aile droite<\/a><\/strong> n'est pas seulement une question d'\u00e9conomie - il s'agit de pr\u00e9server l'int\u00e9grit\u00e9 et la s\u00e9curit\u00e9 de votre navire face aux mar\u00e9es et aux conditions m\u00e9t\u00e9orologiques changeantes.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2024\/04\/arch.jpg\" alt=\"arch fenders\" class=\"wp-image-3014\" srcset=\"https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2024\/04\/arch.jpg 800w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2024\/04\/arch-300x225.jpg 300w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2024\/04\/arch-768x576.jpg 768w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2024\/04\/arch-100x75.jpg 100w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2024\/04\/arch-480x360.jpg 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Extrait en vedette : Comment calculer la taille de l'arceau<\/strong><\/h2>\n\n\n\n<p><strong>D\u00e9terminez la taille de l'arceau en utilisant l'\u00e9nergie d'accostage de votre navire, la courbure de la coque et la traction du bollard. Utilisez les directives de l'AIPCN pour convertir l'\u00e9nergie en sp\u00e9cifications de largeur, de hauteur et de d\u00e9flexion de l'arceau, et assurez-vous que l'arceau se comprime uniform\u00e9ment contre le rayon de votre coque.<\/strong> Le passage des normes de taille g\u00e9n\u00e9rales aux sp\u00e9cifications pr\u00e9cises de Sunhelm garantit une protection optimale.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"458\" src=\"https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-1024x458.jpg\" alt=\"marine arch fenders\" class=\"wp-image-1143\" srcset=\"https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-1024x458.jpg 1024w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-300x134.jpg 300w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-768x343.jpg 768w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-1536x686.jpg 1536w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-18x8.jpg 18w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-260x116.jpg 260w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-50x22.jpg 50w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010-150x67.jpg 150w, https:\/\/www.sunhelmmarine.com\/wp-content\/uploads\/2022\/04\/arch-fender-010.jpg 1920w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Pas \u00e0 pas : Taille de l'arceau Sunhelm<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Calculer l'\u00e9nergie d'accostage<\/strong><br>L'\u00e9nergie d'accostage est \u00e9gale \u00e0 \u00bd \u00d7 masse \u00d7 vitesse\u00b2. Ce chiffre indique la quantit\u00e9 d'impact qu'une aile doit absorber par \u00e9v\u00e9nement d'accostage.<\/li>\n\n\n\n<li><strong>Faire correspondre l'\u00e9nergie d'accostage au profil de l'arche<\/strong><br>Utilisez les tableaux des garde-boue Sunhelm conformes aux normes PIANC (en fonction du type et de la taille) pour choisir un mod\u00e8le capable d'absorber cette \u00e9nergie tout en conservant une faible force de r\u00e9action.<\/li>\n\n\n\n<li><strong>V\u00e9rifier la courbure de la coque et la largeur des ailes<\/strong><br>La largeur de l'arceau doit s'aligner sur le rayon du navire de mani\u00e8re \u00e0 ce qu'il soit enti\u00e8rement en contact avec la coque, r\u00e9partissant ainsi la charge de mani\u00e8re uniforme. S'il est trop \u00e9troit, il s'incline sous l'effet de la pression.<\/li>\n\n\n\n<li><strong>V\u00e9rifier la plage de d\u00e9flexion<\/strong><br>Compression et flexion de l'aile en arc de cercle. Confirmez la largeur et la hauteur choisies pour permettre la d\u00e9formation de 30-55% sans toucher le fond.<\/li>\n\n\n\n<li><strong>Finaliser l'empattement (W1\/W2)<\/strong><br>La distance d'installation (W1 &amp; W2) permet de r\u00e9partir la charge. Reportez-vous aux tableaux techniques de Sunhelm pour vous assurer qu'il g\u00e8re la masse de votre navire conform\u00e9ment aux directives relatives \u00e0 l'espacement W.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi c'est important aujourd'hui<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Conformit\u00e9 r\u00e9glementaire<\/strong>: La plupart des ports exigent des d\u00e9fenses certifi\u00e9es par l'AIPCN, comme celles de Sunhelm.<\/li>\n\n\n\n<li><strong>S\u00e9curit\u00e9 dans des conditions difficiles<\/strong>: Les temp\u00eates et les raz-de-mar\u00e9e mettent \u00e0 rude \u00e9preuve les d\u00e9fenses sous-dimensionn\u00e9es.<\/li>\n\n\n\n<li><strong>Rapport co\u00fbt-efficacit\u00e9<\/strong>: Un mauvais choix signifie des dommages suppl\u00e9mentaires \u00e0 la peinture, des remplacements d'ailes ou des temps d'arr\u00eat.<\/li>\n<\/ul>\n\n\n\n<p>Restez dans les parages, vous apprendrez \u00e0 choisir le bon mod\u00e8le, \u00e0 gagner du temps en mati\u00e8re d'entretien et \u00e0 vous pr\u00e9munir contre des conditions plus difficiles.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<p><strong>Q : \u00c0 quoi servent les garde-boue ?<\/strong><br>R : Les d\u00e9fenses en arc sont des d\u00e9fenses en caoutchouc extrud\u00e9es, en forme d'arc, qui absorbent les chocs en se comprimant sous les navires. Elles offrent une absorption d'\u00e9nergie \u00e9lev\u00e9e avec une faible force de r\u00e9action, ce qui est id\u00e9al pour les ports de petite et moyenne taille.<\/p>\n\n\n\n<p><strong>Q : Quelle est la diff\u00e9rence entre les ailes en arc et les ailes en V ?<\/strong><br>R : Contrairement aux d\u00e9fenses en V, les d\u00e9fenses en arc ont une forme incurv\u00e9e qui r\u00e9partit uniform\u00e9ment les charges. Elles permettent une meilleure absorption de l'\u00e9nergie et une r\u00e9action plus souple, ce qui est id\u00e9al pour les navires dont la coque est incurv\u00e9e.<\/p>\n\n\n\n<p><strong>Q : Comment mesurer la courbure de la coque pour d\u00e9terminer la largeur des ailes ?<\/strong><br>R : Mesurez le rayon de courbure le long de la section d'accostage, puis assurez-vous que la largeur de l'arche correspond \u00e0 cette courbe pour une distribution uniforme de la charge - reportez-vous aux tableaux de largeur de Sunhelm pour un dimensionnement exact.<\/p>\n\n\n\n<p><strong>Q : Puis-je utiliser des d\u00e9fenses en arc pour les grands navires ?<\/strong><br>R : La gamme de d\u00e9fenses en arceau de Sunhelm convient aux navires, des petits yachts aux cargos. Leurs mod\u00e8les et tableaux conformes aux normes PIANC vous permettent d'utiliser la m\u00eame m\u00e9thode de dimensionnement.<\/p>\n\n\n\n<p><strong>Q : Les d\u00e9fenses en arceau sont-elles adapt\u00e9es aux mar\u00e9es fortes ?<\/strong><br>R : Oui, les d\u00e9fenses en arceau se compriment et restent en contact avec les mar\u00e9es. De plus, Sunhelm propose des mod\u00e8les avec des faces en UHMW-PE pour une meilleure r\u00e9sistance \u00e0 l'usure.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9flexions finales<\/h2>\n\n\n\n<p>Avec Sunhelm, le dimensionnement correct des d\u00e9fenses de vo\u00fbte assure la s\u00e9curit\u00e9 de votre bateau, l'int\u00e9grit\u00e9 des quais et la satisfaction de votre portefeuille. D\u00e9terminez l'\u00e9nergie d'accostage, r\u00e9f\u00e9rez-vous aux tableaux AIPCN pour la capacit\u00e9 de compression, ajustez la largeur\/hauteur \u00e0 la courbure de la coque et v\u00e9rifiez les sp\u00e9cifications de d\u00e9flexion. Installez-les conform\u00e9ment aux tableaux d'espacement W, le tout \u00e9tant garanti par la conformit\u00e9 \u00e0 la norme AIPCN 2002. Pour obtenir de l'aide pour les calculs ou pour choisir un mod\u00e8le, <strong>contacter Sunhelm<\/strong> pour obtenir des conseils d'experts \u00e0 partir d'un guichet unique.<\/p>\n\n\n\n<p>N'attendez pas d'\u00eatre endommag\u00e9 - \u00e9quipez votre navire avec des <strong>ailes en arc de cercle<\/strong> qui prot\u00e8gent, performent et durent.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.sunhelmmarine.com\/fr\/contact-us\/\" style=\"background-color:#035584\">demande de renseignements ou de consultation<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Why Calculating Arch Fender Size Is Necessary\u2014And Urgent When your vessel gently slides into the berth, you rarely think about the hidden heroes: marine fenders. But<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2248,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-52249","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.7.1 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Calculate the Right Arch Fenders Size for Your Vessel\uff1f - SunHelm Marine<\/title>\n<meta name=\"description\" content=\"Learn how to calculate the right arch fenders size for your vessel with Sunhelm&#039;s guide. 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