{"id":107213,"date":"2025-03-24T10:03:10","date_gmt":"2025-03-24T09:03:10","guid":{"rendered":"https:\/\/xometry.pro\/stories\/ucl-hackathon-can-compressor\/"},"modified":"2025-05-16T10:41:39","modified_gmt":"2025-05-16T08:41:39","slug":"ucl-hackathon-toiture-durable","status":"publish","type":"stories","link":"https:\/\/xometry.pro\/fr\/temoignages\/ucl-hackathon-toiture-durable\/","title":{"rendered":"Can Compressor &amp; Can Roof: transformer des canettes en toiture durable"},"content":{"rendered":"<div role=\"navigation\" aria-label=\"Table des mati\u00e8res\" class=\"simpletoc wp-block-simpletoc-toc\"><h2 class=\"simpletoc-title\">Table des mati\u00e8res<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#h-repenser-les-dechets-en-aluminium\">Repenser les d\u00e9chets en aluminium<\/a>\n\n<\/li>\n<li><a href=\"#h-une-approche-mecanique-sans-fonte\">Une approche m\u00e9canique, sans fonte<\/a>\n\n<\/li>\n<li><a href=\"#h-pourquoi-l-aluminium\">Pourquoi l\u2019aluminium ?<\/a>\n\n<\/li>\n<li><a href=\"#h-retours-des-experts\">Retours des experts<\/a>\n\n<\/li>\n<li><a href=\"#h-vers-une-production-a-plus-grande-echelle\">Vers une production \u00e0 plus grande \u00e9chelle<\/a>\n<\/li><\/ul><\/div>\n\n\n<p>Face \u00e0 l\u2019impact environnemental des canettes jet\u00e9es et \u00e0 l\u2019\u00e9nergie n\u00e9cessaire au recyclage classique de l\u2019aluminium, notre \u00e9quipe a imagin\u00e9 une alternative \u00e9conomique et durable pour la construction : <strong>Can Compressor &amp; Can Roof<\/strong>. L\u2019id\u00e9e est simple : transformer des canettes usag\u00e9es en modules de toiture l\u00e9gers et modulaires.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-repenser-les-dechets-en-aluminium\"><strong><strong><strong>Repenser les d\u00e9chets en aluminium<\/strong><\/strong><\/strong><\/h2>\n\n\n<p>Chaque minute, environ 113 200 canettes en aluminium sont recycl\u00e9es dans le monde. Malgr\u00e9 un taux de recyclage global estim\u00e9 \u00e0 70 %, de nombreuses canettes finissent encore \u00e0 la d\u00e9charge. En cause : un processus de recyclage \u00e9nergivore bas\u00e9 sur la fonte, qui engendre des pertes de mati\u00e8re, et l\u2019\u00e9limination syst\u00e9matique des canettes ab\u00eem\u00e9es ou d\u00e9form\u00e9es.<\/p>\n\n\n\n<p>Le recyclage traditionnel de l\u2019aluminium n\u00e9cessite une consommation d\u2019\u00e9nergie \u00e9lev\u00e9e pour la fusion et le remodelage du m\u00e9tal. Bien que ce proc\u00e9d\u00e9 soit efficace, il entra\u00eene tout de m\u00eame une perte de mati\u00e8re. De plus, les canettes ab\u00eem\u00e9es ou d\u00e9form\u00e9es sont souvent jet\u00e9es au lieu d\u2019\u00eatre r\u00e9utilis\u00e9es, ce qui r\u00e9duit l\u2019efficacit\u00e9 globale du recyclage.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-approche-mecanique-sans-fonte\"><strong><strong><strong>Une approche m\u00e9canique, sans fonte<\/strong><\/strong><\/strong><\/h2>\n\n\n<p>Notre solution consiste \u00e0 compresser les canettes pour leur donner une forme incurv\u00e9e, sans les faire fondre. Cela permet de conserver l\u2019int\u00e9grit\u00e9 du mat\u00e9riau tout en \u00e9liminant presque totalement la consommation d\u2019\u00e9nergie.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Le processus commence par la collecte locale de canettes, notamment via des campagnes communautaires. Les canettes sont ensuite transform\u00e9es en modules courb\u00e9s uniformes gr\u00e2ce \u00e0 deux presses : une presse manuelle \u00e0 levier et une presse hydraulique. Toutes deux utilisent un moule en acier usin\u00e9 CNC pour garantir la forme souhait\u00e9e. Les modules sont ensuite assembl\u00e9s par recouvrement, avec des clous ou un syst\u00e8me d\u2019embo\u00eetement moul\u00e9, afin de former une surface \u00e9tanche continue.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"300\" height=\"168\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/aluminium-can-compressed.jpg\" alt=\"Aluminum Cans Crushed along the Radial and Axial Axes\" class=\"wp-image-104908\" style=\"max-width:361px;height:auto\"\/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/aluminium-can-compressed.jpg\" data-fancybox=\"gallery-107213\" data-caption=\"Canettes en aluminium comprim\u00e9es selon les axes radial et axial\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/aluminium-can-compressed.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Canettes en aluminium comprim\u00e9es selon les axes radial et axial<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-pourquoi-l-aluminium\"><strong><strong><strong>Pourquoi l\u2019aluminium ?<\/strong><\/strong><\/strong><\/h2>\n\n\n<p>Le syst\u00e8me Can Roof pr\u00e9sente de nombreux avantages, tant pratiques qu\u2019\u00e9cologiques :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9conomique<\/strong> : Les canettes sont abondantes et peu co\u00fbteuses.<\/li>\n\n\n\n<li><strong>L\u00e9ger<\/strong> : Plus facile \u00e0 transporter et \u00e0 poser que des t\u00f4les classiques.<\/li>\n\n\n\n<li><strong>R\u00e9sistant \u00e0 la corrosion<\/strong> : L\u2019aluminium ne rouille pas, ce qui am\u00e9liore la dur\u00e9e de vie.<\/li>\n\n\n\n<li><strong>Efficace \u00e9nerg\u00e9tiquement<\/strong> : Aucun besoin de fonte, 100 % du mat\u00e9riau est conserv\u00e9.<\/li>\n\n\n\n<li><strong>Modulaire<\/strong> : Les plaques incurv\u00e9es s\u2019assemblent facilement pour assurer \u00e9tanch\u00e9it\u00e9 et stabilit\u00e9.<\/li>\n<\/ul>\n\n\n\n<p>Ce type de toiture peut r\u00e9pondre \u00e0 de nombreux besoins, notamment pour les structures o\u00f9 les mat\u00e9riaux classiques sont inaccessibles ou trop chers : abris d\u2019urgence, logements temporaires, arr\u00eats de bus, constructions rurales ou projets communautaires.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-retours-des-experts\"><strong><strong><strong>Retours des experts<\/strong><\/strong><\/strong><\/h2>\n\n\n<p>Joao Clemencio, ing\u00e9nieur commercial chez Xometry, a soulev\u00e9 la question de la durabilit\u00e9 \u00e0 long terme. Nous avons pr\u00e9cis\u00e9 que Can Roof n\u2019est pas con\u00e7u comme une solution permanente, mais que sa dur\u00e9e de vie peut \u00eatre prolong\u00e9e avec des rev\u00eatements ou des produits d\u2019\u00e9tanch\u00e9it\u00e9. Et en fin de vie, les modules peuvent \u00eatre recycl\u00e9s par fonte, ajoutant une \u00e9tape au cycle de vie du mat\u00e9riau plut\u00f4t que de le stopper.<\/p>\n\n\n\n<p>Il s\u2019est \u00e9galement interrog\u00e9 sur la n\u00e9cessit\u00e9 des clous \u00e0 l\u2019assemblage. Nous avons pr\u00e9sent\u00e9 notre syst\u00e8me d\u2019embo\u00eetement moul\u00e9, qui simplifie le montage et r\u00e9duit le besoin en fixations externes.<\/p>\n\n\n\n<p>Baninder Kaur, responsable grands comptes chez Xometry, s\u2019est int\u00e9ress\u00e9e \u00e0 la faisabilit\u00e9 de l\u2019installation. Nous avons soulign\u00e9 la l\u00e9g\u00e8ret\u00e9 des modules et leur design modulaire, qui permet une mise en place rapide \u2014 particuli\u00e8rement utile en cas de catastrophe naturelle ou dans des zones \u00e0 infrastructures limit\u00e9es.<\/p>\n\n\n    <section class=\"article-slider-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <!-- Swiper -->\r\n            <div class=\"swiper mySwiper2 article-slider-display\">\r\n                <div class=\"swiper-wrapper\">\r\n                                                <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-1.png\" alt=\"Can compressor\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-1.png\" data-fancybox=\"gallery\" data-caption=\"\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-1.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"Can compressor\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                                                    <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-2.png\" alt=\"Can compressor \"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-2.png\" data-fancybox=\"gallery\" data-caption=\"\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-2.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"Can compressor \" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                                                    <\/div>\r\n                            <\/div>\r\n                            \r\n                                            <\/div>\r\n            <\/div>\r\n            <div thumbsSlider=\"\" class=\"swiper mySwiper article-slider-list\">\r\n                <div class=\"swiper-wrapper\">\r\n                                            <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-1.png\" alt=\"Can compressor\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/03\/Can-compressor-figure-2.png\" alt=\"Can compressor \">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-vers-une-production-a-plus-grande-echelle\"><strong><strong><strong>Vers une production \u00e0 plus grande \u00e9chelle<\/strong><\/strong><\/strong><\/h2>\n\n\n<p>Nos essais montrent qu\u2019il faut environ 220 newtons pour compresser une canette et en faire un module de toiture \u2014 une force facilement atteignable, ce qui rend le proc\u00e9d\u00e9 adapt\u00e9 aussi bien \u00e0 une production manuelle qu\u2019industrielle.<\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 leur l\u00e9g\u00e8ret\u00e9, leur disponibilit\u00e9 et leur faible co\u00fbt, les canettes peuvent \u00eatre collect\u00e9es localement. Cela ouvre la voie \u00e0 des ateliers de production d\u00e9centralis\u00e9s, notamment dans des r\u00e9gions o\u00f9 les mat\u00e9riaux de construction sont rares ou hors de prix.<\/p>\n\n\n\n<p>Nous envisageons trois voies principales pour d\u00e9ployer Can Roof :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Les pays en d\u00e9veloppement<\/strong>, o\u00f9 il y a un besoin urgent de toitures abordables.<\/li>\n\n\n\n<li><strong>Les zones sinistr\u00e9es<\/strong>, o\u00f9 il faut installer des abris tr\u00e8s rapidement.<\/li>\n\n\n\n<li><strong>Les villes engag\u00e9es dans une \u00e9conomie circulaire<\/strong>, \u00e0 la recherche de solutions innovantes et durables.<\/li>\n<\/ul>\n\n\n\n<p>Notre prochaine \u00e9tape ? Optimiser le design du moule, am\u00e9liorer le syst\u00e8me d\u2019embo\u00eetement et r\u00e9duire les co\u00fbts de production. Nous pr\u00e9voyons aussi de tester diff\u00e9rents rev\u00eatements pour augmenter la r\u00e9sistance aux intemp\u00e9ries.<\/p>\n\n\n\n<p>Avec l\u2019accompagnement de l\u2019\u00e9quipe d\u2019ing\u00e9nierie de Xometry et l\u2019acc\u00e8s \u00e0 des moules et pi\u00e8ces usin\u00e9s CNC, nous esp\u00e9rons faire passer Can Roof du prototype \u00e9tudiant \u00e0 une solution concr\u00e8te, transformant des d\u00e9chets en abris \u2014 l\u00e0 o\u00f9 on en a le plus besoin.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-alpha-channel-opacity has-background\" style=\"background-color:#f5f7f8;color:#f5f7f8\"\/>\n\n\n\n<p><strong>Et vous, que pensez-vous du projet ? Ce concept pourrait-il \u00eatre industrialis\u00e9 ?<\/strong> Partagez vos id\u00e9es, suggestions ou pistes d\u2019optimisation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-alpha-channel-opacity has-background\" style=\"background-color:#f5f7f8;color:#f5f7f8\"\/>\n\n\n\n<p><strong><strong>D\u00e9couvrez les autres projets du hackathon UCL :<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/xometry.pro\/fr\/temoignages\/ucl-hackathon-solar-eva-panel-solutions-durables\/\">Solar EVA Panel<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xometry.pro\/fr\/temoignages\/ucl-hackathon-geocellule-grid\/\">Geocell Grid<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xometry.pro\/fr\/temoignages\/ucl-hackathon-glass-grinder-abrasif-sablage\/\">Glass Grinder<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xometry.pro\/fr\/temoignages\/ucl-hackathon-sanipedal-sanitaires-publics\/\">SaniPedal<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"author":50,"featured_media":104937,"comment_status":"open","ping_status":"closed","template":"","c-tag-stories":[1659,3900],"global-tag":[],"class_list":["post-107213","stories","type-stories","status-publish","has-post-thumbnail","hentry","c-tag-stories-construction-de-machines","c-tag-stories-ucl-hackathon-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Transformer les d\u00e9chets d\u2019aluminium en toitures durables | Xometry Pro<\/title>\n<meta name=\"description\" content=\"Xometry Europe a organis\u00e9 un hackathon avec les \u00e9tudiants en g\u00e9nie m\u00e9canique de l\u2019UCL, les invitant \u00e0 concevoir des solutions m\u00e9caniques innovantes.\" \/>\n<meta name=\"robots\" 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