{"id":36012,"date":"2022-11-22T12:22:58","date_gmt":"2022-11-22T11:22:58","guid":{"rendered":"https:\/\/desarrollo.ypsossafety.com\/garde-corps-de-protection-calculs-et-methodes-dessai\/"},"modified":"2026-10-30T00:05:10","modified_gmt":"2026-10-29T23:05:10","slug":"garde-corps-de-protection-calculs-et-methodes-dessai","status":"publish","type":"post","link":"https:\/\/desarrollo.ypsossafety.com\/fr\/garde-corps-de-protection-calculs-et-methodes-dessai\/","title":{"rendered":"Garde-corps de protection\u00a0: calculs et m\u00e9thodes d&rsquo;essai"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Dans la continuit\u00e9 d&rsquo;un des articles pr\u00e9c\u00e9dents, nous allons terminer de parler des <a href=\"https:\/\/ypsossafety.com\/barandillas-de-proteccion-de-borde-requisitos-y-especificaciones-de-la-en13374\/\" target=\"_blank\" rel=\"noreferrer noopener\">garde-corps de protection de bord. <\/a>Nous nous concentrerons sur les calculs et les m\u00e9thodes d&rsquo;essai que la r\u00e9glementation \u00e9tablit pour garantir une conception et une r\u00e9sistance adapt\u00e9es aux contraintes physiques auxquelles ils seront soumis.<\/p>\n\n<p class=\"wp-block-paragraph\">Lors du calcul du <a href=\"https:\/\/ypsossafety.com\/barandilla-de-seguridad\/\" target=\"_blank\" rel=\"noreferrer noopener\">garde-corps<\/a>, il faudra tenir compte du fait qu&rsquo;il doit garantir qu&rsquo;il supporte correctement\u00a0:<\/p>\n\n<ol class=\"wp-block-list\" style=\"list-style-type:1\">\n<li> Les charges principales auxquelles il sera soumis, telles que la capacit\u00e9 portante et la stabilit\u00e9 contre le glissement, le basculement et le soul\u00e8vement.<\/li>\n\n\n\n<li> Les charges ponctuelles ou peu fr\u00e9quentes, comme par exemple une personne mont\u00e9e sur la protection de bord en guise d&rsquo;\u00e9chelle.<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Outre ces consid\u00e9rations, il est important de souligner que, lors du calcul d&rsquo;une protection de bord, les calculs devront \u00eatre r\u00e9alis\u00e9s sur l&rsquo;ensemble du garde-corps et \u00eatre satisfaits de mani\u00e8re globale.<\/p>\n\n<p class=\"wp-block-paragraph\">Mais il faudra \u00e9galement v\u00e9rifier s\u00e9par\u00e9ment que les exigences de charge individuelle sont respect\u00e9es. Chaque \u00e9l\u00e9ment composant le garde-corps est conforme aux exigences de la r\u00e9glementation applicable.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Calculs de l&rsquo;essai des <a href=\"https:\/\/ypsossafety.com\/ananke-barandillas-de-seguridad\/\" target=\"_blank\" rel=\"noreferrer noopener\">garde-corps de protection de bord<\/a><\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Le calcul doit tenir compte de la combinaison de la structure, du syst\u00e8me et de ses composants, et de la m\u00e9thode de fixation. Si, dans certains cas, il n&rsquo;\u00e9tait pas possible de v\u00e9rifier les exigences de charge statique par le calcul, la v\u00e9rification doit \u00eatre effectu\u00e9e par essai.<\/p>\n\n<p class=\"wp-block-paragraph\">Ce que nous cherchons, c&rsquo;est \u00e0 v\u00e9rifier que\u00a0:<\/p>\n\n<p class=\"wp-block-paragraph\">E<sub>d<\/sub> &lt; R<sub>d<\/sub><\/p>\n\n<p class=\"wp-block-paragraph\">O\u00f9,<\/p>\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\">E<sub>d <\/sub>          est la valeur de calcul de l&rsquo;effet des actions, par exemple la r\u00e9sistance \u00e0 la flexion, une force interne ou un moment\u00a0;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R<sub>d              <\/sub>est la valeur de calcul correspondante de la r\u00e9sistance<\/p>\n<\/div><\/div>\n\n<p class=\"wp-block-paragraph\">La valeur de E<sub>d<\/sub> doit \u00eatre \u00e9tablie \u00e0 partir de la valeur de calcul des actions Q<sub>d <\/sub>.<\/p>\n\n<p class=\"wp-block-paragraph\">La valeur de l&rsquo;action Q<sub>d<\/sub> sera calcul\u00e9e en utilisant la formule suivante\u00a0:<\/p>\n\n<p class=\"wp-block-paragraph\">Q<sub>d,i<\/sub> = g<sub>f,i<\/sub> x Q<sub>k,i<\/sub><\/p>\n\n<p class=\"wp-block-paragraph\">O\u00f9,<\/p>\n\n<p class=\"wp-block-paragraph\">Q<sub>d,i <\/sub> est la valeur de calcul de l&rsquo;action i<\/p>\n\n<p class=\"wp-block-paragraph\">Q<sub>k,i <\/sub> est la valeur caract\u00e9ristique de l&rsquo;action i et doit \u00eatre prise dans le tableau figurant dans la norme<\/p>\n\n<p class=\"wp-block-paragraph\">g<sub>f,i <\/sub> est le coefficient partiel de s\u00e9curit\u00e9 de la r\u00e9sistance R<sub>d,i <\/sub>qui d\u00e9pendra du mat\u00e9riau utilis\u00e9.<\/p>\n\n<p class=\"wp-block-paragraph\">En ce qui concerne les charges statiques, le calcul devra \u00eatre effectu\u00e9 en toute partie du syst\u00e8me\u00a0; autrement dit, on pourra supposer qu&rsquo;elles agissent sur le poteau ou entre les poteaux.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"424\" height=\"257\" src=\"https:\/\/ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde.png\" alt=\"dessin des types de charges pour l'essai de la protection de bord.\" class=\"wp-image-10287\" srcset=\"https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde.png 424w, https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-300x182.png 300w, https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-64x39.png 64w\" sizes=\"(max-width: 424px) 100vw, 424px\" \/><figcaption class=\"wp-element-caption\"><em>Source\u00a0: UNE-EN 13374<\/em><\/figcaption><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\">Le calcul structurel devra inclure l&rsquo;analyse de diff\u00e9rentes charges\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Ponctuelles<\/li>\n\n\n\n<li>Dues au vent<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">La combinaison de charges peut donner lieu \u00e0\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Parall\u00e8les<\/li>\n\n\n\n<li>Accidentelles<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Enfin, nous parlerons de mani\u00e8re r\u00e9sum\u00e9e des essais qui doivent \u00eatre r\u00e9alis\u00e9s sur les syst\u00e8mes de protection de bord.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>M\u00e9thodes d&rsquo;essai des <a href=\"https:\/\/ypsossafety.com\/barandilla-ananke-caracteristicas-e-instalacion\/\" target=\"_blank\" rel=\"noreferrer noopener\">garde-corps de protection de bord<\/a><\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Les essais d\u00e9pendront du type de syst\u00e8me concern\u00e9 (A, B ou C) et des exigences correspondantes.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"403\" height=\"107\" src=\"https:\/\/ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-1.png\" alt=\"tableau des charges pour l'essai de la protection de bord.\" class=\"wp-image-10288\" srcset=\"https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-1.png 403w, https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-1-300x80.png 300w, https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-1-64x17.png 64w\" sizes=\"(max-width: 403px) 100vw, 403px\" \/><figcaption class=\"wp-element-caption\"><em>Source\u00a0: UNE-EN 13374<\/em><\/figcaption><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\">Comme nous le voyons dans le tableau ci-dessus, pour chaque type de syst\u00e8me de protection de bord, un article de la norme s&rsquo;appliquera. Il d\u00e9crira comment la charge doit \u00eatre appliqu\u00e9e lors de l&rsquo;essai, l&rsquo;\u00e9chantillon requis pour donner validit\u00e9 \u00e0 l&rsquo;essai et la proc\u00e9dure \u00e0 suivre pour r\u00e9aliser l&rsquo;essai ainsi que l&rsquo;\u00e9valuation des r\u00e9sultats obtenus.<\/p>\n\n<p class=\"wp-block-paragraph\">La proc\u00e9dure \u00e0 suivre pour r\u00e9aliser l&rsquo;essai n\u00e9cessite une explication du dispositif d&rsquo;essai. Le paragraphe 7.5 d\u00e9crit comment ce dispositif doit \u00eatre r\u00e9alis\u00e9 pour les charges dynamiques.<\/p>\n\n<p class=\"wp-block-paragraph\">Les charges dynamiques seront simul\u00e9es avec un sac sph\u00e9ro-conique l\u00e2ch\u00e9 en chute contr\u00f4l\u00e9e sous l&rsquo;action de la gravit\u00e9 et dirig\u00e9 vers l&rsquo;une des positions les plus d\u00e9favorables du syst\u00e8me de protection de bord, afin que le syst\u00e8me retienne le sac. Deux types d&rsquo;essais devront \u00eatre effectu\u00e9s\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Type 1\u00a0: le sac doit frapper la partie la plus haute du poteau, 500 J, puis la partie la plus basse possible du poteau avec 1 100 J.<\/li>\n\n\n\n<li>Type 2\u00a0: le sac doit frapper d&rsquo;abord la partie haute de la protection de bord, 500 J, puis la partie la plus basse possible de la protection de bord, 1 100 J.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Aucun composant ne peut \u00eatre remplac\u00e9 entre les deux types d&rsquo;essai.<\/p>\n\n<h3 class=\"wp-block-heading\">Essai classe B<\/h3>\n\n<p class=\"wp-block-paragraph\">L&rsquo;essai de 500 J comme celui de 1 100 J doivent \u00eatre r\u00e9alis\u00e9s. Pour la classe C, seul l&rsquo;essai de 500 J doit \u00eatre r\u00e9alis\u00e9.<\/p>\n\n<p class=\"wp-block-paragraph\">L&rsquo;impact est obtenu par la chute pendulaire du sac sph\u00e9ro-conique, qui se trouve approximativement en position verticale au point d&rsquo;impact. Le sac doit \u00eatre retenu pour \u00e9viter un second impact et sera conforme \u00e0 la norme EN 596.<\/p>\n\n<p class=\"wp-block-paragraph\"> Un appareil d&rsquo;essai typique est repr\u00e9sent\u00e9 ci-dessous.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"355\" height=\"249\" src=\"https:\/\/ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-3.png\" alt=\"Dessin du dispositif d'essai pour la protection de bord classe B et C.\" class=\"wp-image-10290\" srcset=\"https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-3.png 355w, https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-3-300x210.png 300w, https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-3-64x45.png 64w\" sizes=\"(max-width: 355px) 100vw, 355px\" \/><figcaption class=\"wp-element-caption\"><em>Dispositif d&rsquo;essai pour l&rsquo;essai d&rsquo;impact de la protection de bord classe B et C<\/em>. <em>Source\u00a0: UNE-EN 13374<\/em><\/figcaption><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\"><\/p>\n\n<p class=\"wp-block-paragraph\">L&rsquo;essai se termine par la mesure et l&rsquo;enregistrement de la fl\u00e8che instantan\u00e9e g\u00e9n\u00e9r\u00e9e, qui est compar\u00e9e aux exigences \u00e9tablies dans la norme UNE EN13374 pour v\u00e9rifier si le syst\u00e8me de bord fabriqu\u00e9 est conforme ou non.<\/p>\n\n<h3 class=\"wp-block-heading\">Essai classe C<\/h3>\n\n<p class=\"wp-block-paragraph\">La norme \u00e9tablit un essai sp\u00e9cifique pour la classe C, ind\u00e9pendamment de celui expliqu\u00e9 pr\u00e9c\u00e9demment. Il consiste \u00e0 faire rouler l&rsquo;impacteur d&rsquo;essai sur une rampe vers le syst\u00e8me de protection de bord, en deux points critiques\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Sur le poteau<\/li>\n\n\n\n<li>Au centre, entre les poteaux.<\/li>\n<\/ul>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"253\" height=\"207\" src=\"https:\/\/ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-4.png\" alt=\"Dessin de la m&#xE9;thode d'essai de r&#xE9;sistance dynamique pour la classe C.\" class=\"wp-image-10291\" srcset=\"https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-4.png 253w, https:\/\/desarrollo.ypsossafety.com\/wp-content\/uploads\/2022\/11\/barandilla-de-proteccion-de-borde-4-64x52.png 64w\" sizes=\"(max-width: 253px) 100vw, 253px\" \/><figcaption class=\"wp-element-caption\"><em>M\u00e9thode d&rsquo;essai de r\u00e9sistance dynamique pour la classe C<\/em>. <em>Source\u00a0: UNE-EN 13374<\/em><\/figcaption><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\">L&rsquo;impacteur d&rsquo;essai sera constitu\u00e9 de\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Un corps cylindrique d&rsquo;une masse d&rsquo;environ 75 kg,<\/li>\n\n\n\n<li>Une longueur de 1000 mm<\/li>\n\n\n\n<li>Un diam\u00e8tre de 300 mm<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Le corps cylindrique doit \u00eatre fabriqu\u00e9 avec un minimum de 25 mm de caoutchouc, avec une surface souple sans ar\u00eates vives.<\/p>\n\n<p class=\"wp-block-paragraph\">Enfin, rappelons que la norme exige que le syst\u00e8me de protection de bord soit <strong>marqu\u00e9 sur tous ses composants<\/strong>, en identifiant\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Le type de syst\u00e8me<\/li>\n\n\n\n<li>Le nom du fabricant<\/li>\n\n\n\n<li>L&rsquo;ann\u00e9e de fabrication<\/li>\n\n\n\n<li>Les <a href=\"https:\/\/ypsossafety.com\/ananke-weight\/\" target=\"_blank\" rel=\"noreferrer noopener\">lests<\/a><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Le marquage doit \u00eatre clairement visible et il faut s&rsquo;assurer qu&rsquo;il reste visible pendant toute la dur\u00e9e de vie du produit.<\/p>\n\n<p class=\"wp-block-paragraph\">Avec le marquage du syst\u00e8me, le fabricant devra inclure un manuel d&rsquo;instructions conforme au paragraphe 10 de la norme UNE EN 13374.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans la continuit\u00e9 d&rsquo;un des articles pr\u00e9c\u00e9dents, nous allons terminer de parler des garde-corps de protection de bord. Nous nous concentrerons sur les calculs et les m\u00e9thodes d&rsquo;essai que la r\u00e9glementation \u00e9tablit pour garantir une conception et une r\u00e9sistance adapt\u00e9es aux contraintes physiques auxquelles ils seront soumis. Lors du calcul du garde-corps, il faudra tenir [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":35978,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_breadcrumb_parent_id":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[137],"tags":[],"class_list":["post-36012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-garde-corps-de-securite","grve-entry-item","grve-blog-item"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Garde-corps de protection\u00a0: calculs et m\u00e9thodes d&#039;essai<\/title>\n<meta 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