{"id":3922,"date":"2024-07-12T09:18:38","date_gmt":"2024-07-12T09:18:38","guid":{"rendered":"https:\/\/www.buildsoft.eu\/reference-projects\/gtc-escalier-spirale\/"},"modified":"2026-07-28T11:43:41","modified_gmt":"2026-07-28T11:43:41","slug":"gtc-escalier-spirale","status":"publish","type":"reference-project","link":"https:\/\/www.buildsoft.eu\/fr\/references\/gtc-escalier-spirale\/","title":{"rendered":"GTC Escalier Spirale"},"content":{"rendered":"\n<p>Cet escalier en colima\u00e7on \u00e0 Almere a un plan dont les proportions suivent le nombre d&rsquo;or, selon une spirale de Fibonacci, et mesure un peu plus de 4,5 m\u00e8tres de haut pour une largeur de 2,5 m\u00e8tres.<\/p>\n\n<h2 class=\"wp-block-heading\">Le projet<\/h2>\n\n<p>Le plan de cet escalier en colima\u00e7on a des proportions en fonction du nombre d&rsquo;or ou la spirale de Fibonacci. L&rsquo;escalier est un peu plus de 4,5 m\u00e8tres de haut et 2,5 m\u00e8tres de large.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"FAQ\">FAQ<\/h2>\n<div class=\"wp-block-uagb-faq uagb-faq__outer-wrap uagb-block-fe71c529 uagb-faq-icon-row uagb-faq-layout-accordion uagb-faq-expand-first-true uagb-faq-inactive-other-true uagb-faq__wrap uagb-buttons-layout-wrap uagb-faq-equal-height     \" data-faqtoggle=\"true\" role=\"tablist\"><script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"@id\":\"https:\\\/\\\/www.buildsoft.eu\\\/fr\\\/references\\\/gtc-escalier-spirale\\\/\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Pourquoi baser le plan d'un escalier en colima\\u00e7on sur le nombre d'or ou une spirale de Fibonacci ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Une spirale de Fibonacci est constitu\\u00e9e d'arcs de quart de cercle dont les rayons augmentent selon le nombre d'or, ce qui produit une courbe qui s'\\u00e9largit de fa\\u00e7on fluide et r\\u00e9guli\\u00e8re en tout point, plut\\u00f4t que de mani\\u00e8re arbitraire ou irr\\u00e9guli\\u00e8re. Appliquer cette m\\u00eame proportion au plan d'un escalier en colima\\u00e7on donne \\u00e0 chaque marche une forme visuellement \\u00e9quilibr\\u00e9e, qui s'\\u00e9largit progressivement depuis le centre vers l'ext\\u00e9rieur, ce qui explique pourquoi le nombre d'or revient si souvent dans la conception des escaliers en colima\\u00e7on, o\\u00f9 la g\\u00e9om\\u00e9trie structurelle et la proportion visuelle comptent toutes deux.<br>\"}}]}<\/script><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-09dad7e6 \" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">Pourquoi baser le plan d&rsquo;un escalier en colima\u00e7on sur le nombre d&rsquo;or ou une spirale de Fibonacci ?<\/span><\/div><div class=\"uagb-faq-content\"><p>Une spirale de Fibonacci est constitu\u00e9e d&rsquo;arcs de quart de cercle dont les rayons augmentent selon le nombre d&rsquo;or, ce qui produit une courbe qui s&rsquo;\u00e9largit de fa\u00e7on fluide et r\u00e9guli\u00e8re en tout point, plut\u00f4t que de mani\u00e8re arbitraire ou irr\u00e9guli\u00e8re. Appliquer cette m\u00eame proportion au plan d&rsquo;un escalier en colima\u00e7on donne \u00e0 chaque marche une forme visuellement \u00e9quilibr\u00e9e, qui s&rsquo;\u00e9largit progressivement depuis le centre vers l&rsquo;ext\u00e9rieur, ce qui explique pourquoi le nombre d&rsquo;or revient si souvent dans la conception des escaliers en colima\u00e7on, o\u00f9 la g\u00e9om\u00e9trie structurelle et la proportion visuelle comptent toutes deux.<br><\/p><\/div><\/div><\/div>","protected":false},"author":6,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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