{"id":3840,"date":"2024-07-12T14:20:52","date_gmt":"2024-07-12T14:20:52","guid":{"rendered":"https:\/\/www.buildsoft.eu\/?post_type=reference-project&#038;p=3840"},"modified":"2026-07-28T12:23:21","modified_gmt":"2026-07-28T12:23:21","slug":"city-museum-staircase","status":"publish","type":"reference-project","link":"https:\/\/www.buildsoft.eu\/en\/reference-projects\/city-museum-staircase\/","title":{"rendered":"City Museum Staircase"},"content":{"rendered":"\n<p>The main staircase in the City Museum in Den Bosch (the Netherlands) cantilevers 5 metres from the floors across a full 11 metres of height, with no columns anywhere along its run. The structure is fixed only at its top and bottom connections to the floors, yet weighs 19 tonnes once fully finished and is designed to carry an additional 500 kg\/m\u00b2 of variable load.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The project<\/h2>\n\n\n\n<p>Calculation of the main staircase in the City Museum in Den Bosch (the Netherlands).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A free-cantilevering staircase with no columns<\/h2>\n\n\n\n<p>The stairway cantilevers 5m from the floors. The ceilings are twice 5.5meters, so 11 meters total height. There is not a single column present.&nbsp; The stairway is only fixed at the bottem and top side to the floors. The structure, completely decorated and finished, weighs on its own already 19 tons, and is designed for an additional variable load of 500 kg\/m\u00b2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"FAQ\">FAQ<\/h2>\n\n\n<div class=\"wp-block-uagb-faq uagb-faq__outer-wrap uagb-block-31692949 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\\\/en\\\/reference-projects\\\/city-museum-staircase\\\/\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How can a staircase cantilever several metres without any columns underneath it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A cantilevering staircase carries its loads not by resting on intermediate supports, but by being rigidly fixed at both ends into the floors it connects. That fixation needs to resist the full bending moment and shear from the staircase's self-weight and any imposed load along its unsupported span, which is why the connections at the top and bottom are the critical design elements rather than the stair run itself.\"}}]}<\/script><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-87a05934 \" 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\">How can a staircase cantilever several metres without any columns underneath it?<\/span><\/div><div class=\"uagb-faq-content\"><p>A cantilevering staircase carries its loads not by resting on intermediate supports, but by being rigidly fixed at both ends into the floors it connects. That fixation needs to resist the full bending moment and shear from the staircase&#8217;s self-weight and any imposed load along its unsupported span, which is why the connections at the top and bottom are the critical design elements rather than the stair run itself.<\/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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