{"id":38870,"date":"2023-01-04T17:31:46","date_gmt":"2023-01-04T16:31:46","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=normativa_tecnica&#038;p=38870"},"modified":"2023-07-26T09:00:22","modified_gmt":"2023-07-26T08:00:22","slug":"cap-7-8-garde-corps","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/fr\/reglements-techniques\/normes-en-iso\/en-iso-14122-3-escaliers\/cap-7-8-garde-corps\/","title":{"rendered":"Chapitre 7-8 : Garde-corps"},"content":{"rendered":"\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n        \n                    <div\n                class=\"h-auto mb-6 md:mb-4 lg:mb-8 xl:mb-9 float-left mr-6 md:mr-4 lg:mr-8 xl:mr-9  overflow-hidden shadow-content-image w-full md:w-1\/3\"\n            >\n                \r\n\r\n    \r\n        \r\n            \r\n                \r\n                    <picture\r\n                        class=\"\"\r\n                                            >\r\n                                                                                                        <source\r\n                                media=\"(max-width: 150px)\"\r\n                                width=\"150\"\r\n                                height=\"150\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/CAP-7-8-Guard-rails-1-150x150.jpg\"\r\n                                type=\"image\/jpeg\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 225px)\"\r\n                                width=\"225\"\r\n                                height=\"300\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/CAP-7-8-Guard-rails-1-225x300.jpg\"\r\n                                type=\"image\/jpeg\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"1024\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/CAP-7-8-Guard-rails-1-768x1024.jpg\"\r\n                                type=\"image\/jpeg\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"1024\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/CAP-7-8-Guard-rails-1-768x1024.jpg\"\r\n                                type=\"image\/jpeg\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/CAP-7-8-Guard-rails-1-scaled.jpg\"\r\n                                                        title=\"CAP 7-8 Guard-rails\"\r\n                                                        type=\"image\/jpeg\"\r\n                        \/>\r\n                    <\/picture>\r\n\r\n                \r\n\r\n                    \r\n    \r\n            <\/div>\n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>Le garde-corps est n\u00e9cessaire et obligatoire lorsqu&rsquo;il existe un risque de chute d&rsquo;une hauteur sup\u00e9rieure \u00e0 500 mm ou si la distance entre la plate-forme de marche et une structure voisine (machine ou mur) est sup\u00e9rieure \u00e0 180 mm. La norme pr\u00e9cise que la hauteur minimale du garde-corps doit \u00eatre de 1100 mm, avec des mains courantes inf\u00e9rieures \u00e0 1100 mm (parall\u00e8les \u00e0 la ligne de marche). Une plinthe ou une plaque de pied doit \u00eatre pr\u00e9vue lorsque l&rsquo;\u00e9cart entre la plate-forme et la structure voisine est sup\u00e9rieur \u00e0 20 mm.<\/p>\n<p>Le risque de chute doit \u00eatre r\u00e9duit \u00e0 l&rsquo;aide d&rsquo;une genouill\u00e8re (distance maximale de 500 mm) ou de montants verticaux (distance maximale de 180 mm) ; dans le cas d&rsquo;un garde-corps interrompu, l&rsquo;espace libre entre les deux poteaux doit \u00eatre compris entre 50 et 120 mm (entre 50 et 80 mm dans le cas de segments aux extr\u00e9mit\u00e9s arrondies).<\/p>\n<p>&nbsp;<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-left text-primary font-heading text-2xl lg:text-3xl xl:text-4xl font-normal mt-2 first:mt-0\">\n                    Comment concevoir des garde-corps pour les escaliers et les escabeaux ?    <\/h2>\n        <\/div>\n                <\/div>\n        \n                    <div\n                class=\"h-auto mb-6 md:mb-4 lg:mb-8 xl:mb-9 float-left mr-6 md:mr-4 lg:mr-8 xl:mr-9  overflow-hidden shadow-content-image w-full md:w-1\/3\"\n            >\n                \r\n\r\n    \r\n        \r\n            \r\n                \r\n                    <picture\r\n                        class=\"\"\r\n                                            >\r\n                                                                                                        <source\r\n                                media=\"(max-width: 150px)\"\r\n                                width=\"150\"\r\n                                height=\"150\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/parapetti-scale-a-castello1.png-150x150.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"161\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/parapetti-scale-a-castello1.png-300x161.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 508px)\"\r\n                                width=\"508\"\r\n                                height=\"273\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/parapetti-scale-a-castello1.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 508px)\"\r\n                                width=\"508\"\r\n                                height=\"273\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/parapetti-scale-a-castello1.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/parapetti-scale-a-castello1.png.webp\"\r\n                                                        title=\"parapetti-scale-a-castello1.png\"\r\n                                                        type=\"image\/webp\"\r\n                        \/>\r\n                    <\/picture>\r\n\r\n                \r\n\r\n                    \r\n    \r\n            <\/div>\n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>La norme couvre \u00e9galement la conception des garde-corps pour les escaliers et les escabeaux, obligatoires pour les hauteurs de chute sup\u00e9rieures \u00e0 500 mm ou en pr\u00e9sence d&rsquo;espaces entre la plate-forme de marche et une structure voisine (machine ou mur) d&rsquo;une largeur sup\u00e9rieure \u00e0 120 mm. Les garde-corps doivent \u00eatre munis d&rsquo;une genouill\u00e8re et d&rsquo;une main courante de chaque c\u00f4t\u00e9, en donnant la priorit\u00e9 aux rails non interrompus. La hauteur de la main courante doit \u00eatre comprise entre 900 et 1000 mm, mesur\u00e9e \u00e0 partir du nez de la marche ; la poign\u00e9e doit \u00eatre d\u00e9gag\u00e9e de tout obstacle \u00e0 moins de 75 mm, avec un diam\u00e8tre compris entre 25 et 50 mm.<\/p>\n<p>Pour les escabeaux, le d\u00e9part du garde-corps ne doit pas \u00eatre sup\u00e9rieur \u00e0 1000 mm mesur\u00e9s verticalement \u00e0 partir du bas de l&rsquo;\u00e9chelle, la valeur de la distance \u00ab\u00a0X\u00a0\u00bb entre la main courante et la structure porteuse varie en fonction de la pente de l&rsquo;\u00e9chelle.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-left text-primary font-heading text-2xl lg:text-3xl xl:text-4xl font-normal mt-2 first:mt-0\">\n                    Conception de la porte d&rsquo;acc\u00e8s    <\/h2>\n        <\/div>\n                <\/div>\n        \n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>Tout portillon d&rsquo;acc\u00e8s doit r\u00e9pondre aux exigences des garde-corps adjacents, \u00e0 l&rsquo;exception de la plinthe qui n&rsquo;est pas requise. Les portillons \u00e0 fermeture automatique doivent \u00eatre maintenus en position sans \u00eatre verrouill\u00e9s, con\u00e7us pour s&rsquo;ouvrir facilement sur la plate-forme ou le sol et se refermer contre une but\u00e9e ferme afin d&rsquo;\u00e9viter les chutes accidentelles.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-left text-primary font-heading text-2xl lg:text-3xl xl:text-4xl font-normal mt-2 first:mt-0\">\n                    V\u00e9rification des exigences de s\u00e9curit\u00e9    <\/h2>\n        <\/div>\n                <\/div>\n        \n                    <div\n                class=\"h-auto mb-6 md:mb-4 lg:mb-8 xl:mb-9 float-left mr-6 md:mr-4 lg:mr-8 xl:mr-9  overflow-hidden shadow-content-image w-full md:w-1\/3\"\n            >\n                \r\n\r\n    \r\n        \r\n            \r\n                \r\n                    <picture\r\n                        class=\"\"\r\n                                            >\r\n                                                                                                        <source\r\n                                media=\"(max-width: 150px)\"\r\n                                width=\"150\"\r\n                                height=\"150\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/verifica-parapetti1.png-150x150.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"113\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/verifica-parapetti1.png-300x113.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 584px)\"\r\n                                width=\"584\"\r\n                                height=\"220\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/verifica-parapetti1.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 584px)\"\r\n                                width=\"584\"\r\n                                height=\"220\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/verifica-parapetti1.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/verifica-parapetti1.png.webp\"\r\n                                                        title=\"verifica-parapetti1.png\"\r\n                                                        type=\"image\/webp\"\r\n                        \/>\r\n                    <\/picture>\r\n\r\n                \r\n\r\n                    \r\n    \r\n            <\/div>\n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>Outre la v\u00e9rification de la r\u00e9sistance \u00e0 la rupture des marches, la norme impose une v\u00e9rification similaire de la d\u00e9formation \u00ab\u00a0f\u00a0\u00bb du garde-corps. Comme le montre l&rsquo;image ci-dessous, l&rsquo;essai (qui peut \u00eatre remplac\u00e9 par un calcul th\u00e9orique) doit \u00eatre effectu\u00e9 sur un \u00e9l\u00e9ment de garde-corps \u00e0 trois poteaux, en appliquant une charge transversale aux poteaux centraux (position 1) ou entre les poteaux centraux et lat\u00e9raux (position 2). Le garde-corps est pr\u00e9charg\u00e9 avec une charge Fp= 75N\/m *L (L est la distance entre les montants verticaux) pendant une minute, apr\u00e8s quoi la d\u00e9charge a lieu.<\/p>\n<p>Pendant l&rsquo;essai, une charge Fu= 300 N\/m*L est appliqu\u00e9e et la d\u00e9formation r\u00e9sultante ne doit pas \u00eatre sup\u00e9rieure \u00e0 30 mm. Une fois la d\u00e9formation mesur\u00e9e, la charge est augment\u00e9e jusqu&rsquo;\u00e0 Fs= Fu*\u03b3 (\u03b3 est le coefficient du mat\u00e9riau, \u00e9gal \u00e0 1,75 pour l&rsquo;acier et les alliages d&rsquo;aluminium). Une fois le garde-corps d\u00e9charg\u00e9, la d\u00e9formation doit \u00eatre <strong>[14122-3:2016 &#8211; \u00a7 8.2.3]<\/strong> :<\/p>\n<blockquote><p>1. &lt;3%*H pour une charge appliqu\u00e9e au montant central (position 1).<br \/>\n2. &lt;3%*L pour la charge appliqu\u00e9e entre le montant central et les montants lat\u00e9raux (Position 2).<\/p><\/blockquote>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n","protected":false},"excerpt":{"rendered":"<p>Le garde-corps est n\u00e9cessaire et obligatoire lorsqu&rsquo;il existe un risque de chute d&rsquo;une hauteur sup\u00e9rieure \u00e0 500 mm ou si la distance entre la plate-forme de marche et une structure voisine (machine ou mur) est sup\u00e9rieure \u00e0 180 mm.<\/p>\n","protected":false},"author":182,"featured_media":40358,"parent":38786,"menu_order":2,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[164],"class_list":["post-38870","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-normes-en-iso"],"acf":{"sottotitolo":"Garde-corps","allegati":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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