{"id":141660,"date":"2025-10-14T09:25:07","date_gmt":"2025-10-14T07:25:07","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=141660"},"modified":"2025-10-14T09:16:42","modified_gmt":"2025-10-14T07:16:42","slug":"ressourcen-schonen-und-gebaeudelebenszyklen-verlaengern","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/ressourcen-schonen-und-gebaeudelebenszyklen-verlaengern\/","title":{"rendered":"Pr\u00e9server les ressources et prolonger le cycle de vie des b\u00e2timents"},"content":{"rendered":"\n\n<p class=\"wp-block-paragraph\">Les professeures de l&rsquo;ETH Catherine De Wolf et Maria Conen militent pour un changement radical dans le secteur de la construction. Au lieu de sacrifier les vieux b\u00e2timents inefficaces sur le plan \u00e9nerg\u00e9tique, elles plaident pour leur conservation, leur r\u00e9novation et leur extension. Outre les aspects \u00e9cologiques, ils mettent l&rsquo;accent sur les facteurs sociaux et culturels. Les b\u00e2timents abritent des identit\u00e9s et des histoires dont la pr\u00e9servation est essentielle \u00e0 la vie urbaine. La durabilit\u00e9 devient ainsi un lien entre l&rsquo;environnement, la soci\u00e9t\u00e9 et l&rsquo;architecture.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9utilisation des mat\u00e9riaux de construction<br><\/strong>Un bon exemple est la r\u00e9utilisation des \u00e9l\u00e9ments en verre des escaliers roulants ext\u00e9rieurs du Centre Pompidou \u00e0 Paris comme cloisons de bureau. Le d\u00e9montage, le tri et la r\u00e9int\u00e9gration, qui demandent beaucoup d&rsquo;efforts, sont co\u00fbteux mais offrent d&rsquo;\u00e9normes avantages environnementaux gr\u00e2ce \u00e0 des \u00e9conomies significatives de CO\u2082 et \u00e0 la r\u00e9duction des d\u00e9chets.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Les mat\u00e9riaux de construction comme le bois et le b\u00e9ton rec\u00e8lent un grand potentiel de r\u00e9utilisation jusqu&rsquo;ici inexploit\u00e9. Alors que le bois est souvent purement et simplement br\u00fbl\u00e9, des panneaux de b\u00e9ton pourraient \u00eatre d\u00e9coup\u00e9s et servir d&rsquo;\u00e9l\u00e9ments de mur. Les poutres en acier sont certes recycl\u00e9es, mais elles sont g\u00e9n\u00e9ralement fondues, ce qui consomme beaucoup d&rsquo;\u00e9nergie, au lieu d&rsquo;\u00eatre r\u00e9utilis\u00e9es de mani\u00e8re ind\u00e9formable. Les d\u00e9fis sont la faisabilit\u00e9 technique, les co\u00fbts et la complexit\u00e9 de la planification.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Num\u00e9risation et passeports mat\u00e9riaux pour l&rsquo;optimisation<br><\/strong>Des instruments num\u00e9riques tels que les passeports mat\u00e9riaux faciliteront \u00e0 l&rsquo;avenir l&rsquo;aper\u00e7u de l&rsquo;origine, de la composition et de la dur\u00e9e d&rsquo;utilisation des composants. Ainsi, la r\u00e9utilisation et le d\u00e9mant\u00e8lement seront plus efficaces et plus transparents. L&rsquo;harmonisation de telles normes fait l&rsquo;objet de recherches afin de cr\u00e9er des solutions contraignantes dans le secteur.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Barri\u00e8res juridiques et normatives<br><\/strong>Un autre obstacle est constitu\u00e9 par les normes qui pr\u00e9valent aujourd&rsquo;hui et qui sont principalement con\u00e7ues pour les b\u00e2timents neufs et ne prennent pas suffisamment en compte les r\u00e9novations et le contexte des b\u00e2timents existants. Cela rend les r\u00e9novations et les travaux sur l&rsquo;existant plus difficiles d&rsquo;un point de vue \u00e9nerg\u00e9tique. La l\u00e9gislation et la r\u00e9glementation doivent \u00eatre assouplies \u00e0 l&rsquo;avenir afin d&rsquo;encourager la construction circulaire.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L&rsquo;\u00e9conomie circulaire, pr\u00e9curseur de la r\u00e9duction du CO\u2082<br><\/strong>Le secteur de la construction est responsable d&rsquo;environ 50 % de l&rsquo;\u00e9puisement des ressources et de quantit\u00e9s consid\u00e9rables d&rsquo;\u00e9missions de CO\u2082. L&rsquo;\u00e9conomie circulaire les att\u00e9nue consid\u00e9rablement en r\u00e9duisant les co\u00fbts des mat\u00e9riaux, les d\u00e9chets et la consommation d&rsquo;\u00e9nergie gr\u00e2ce \u00e0 la r\u00e9utilisation et \u00e0 la construction modulaire. La d\u00e9construction par des assemblages viss\u00e9s ou embo\u00eet\u00e9s plut\u00f4t que coll\u00e9s est \u00e0 cet \u00e9gard une cl\u00e9.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u00e9fis et perspectives d&rsquo;avenir<br><\/strong>Le principal d\u00e9fi r\u00e9side dans le co\u00fbt du d\u00e9montage et de la r\u00e9utilisation, ainsi que dans la recherche d&rsquo;acheteurs pour les mat\u00e9riaux r\u00e9utilis\u00e9s. L&rsquo;absence de structures de march\u00e9 compl\u00e8tes rend difficile une mise en \u0153uvre \u00e0 grande \u00e9chelle. C&rsquo;est l\u00e0 qu&rsquo;interviennent des initiatives telles que les places de march\u00e9 num\u00e9riques et l&rsquo;int\u00e9gration de comp\u00e9tences d&rsquo;ing\u00e9nierie sp\u00e9cialis\u00e9es.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">La construction modulaire et les concepts d&rsquo;utilisation flexibles, tels que l&rsquo;utilisation comme mus\u00e9e de b\u00e2timents moins bien isol\u00e9s, montrent des perspectives d&rsquo;avenir viables. C&rsquo;est surtout la jeune g\u00e9n\u00e9ration d&rsquo;\u00e9tudiants et de chercheurs des EPF et d&rsquo;autres instituts qui pousse \u00e0 l&rsquo;innovation, ce qui laisse esp\u00e9rer une industrie de la construction plus durable.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Le concept d&rsquo;\u00e9conomie circulaire prend de plus en plus d&rsquo;importance dans le secteur de la construction en Suisse. Face aux d\u00e9fis climatiques, \u00e0 la rar\u00e9faction croissante des ressources et \u00e0 l&rsquo;augmentation des d\u00e9chets, des approches innovantes modifient fondamentalement la construction lin\u00e9aire classique.<\/p>\n","protected":false},"author":2,"featured_media":141611,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22699,743,22357,22303,22438],"tags":[2995,872,3931,19419,2002,2095,1157,2096],"class_list":["post-141660","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-immonews-fr","category-industrie-du-batiment","category-suisse","category-trends-fr","tag-eth-fr","tag-immoinvest-fr","tag-immonews-fr","tag-kreislaufwirtschaft-fr","tag-news-fr","tag-ressourcen-fr","tag-sanierung-fr","tag-wiederverwendung-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"Le concept d'\u00e9conomie circulaire prend de plus en plus d'importance dans le secteur de la construction en Suisse. Face aux d\u00e9fis climatiques, \u00e0 la rar\u00e9faction croissante des ressources et \u00e0 l'augmentation des d\u00e9chets, des approches innovantes modifient fondamentalement la construction lin\u00e9aire classique.","autor":"Quelle ETH","ort":"","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Le concept d&#039;\u00e9conomie circulaire prend de plus en plus d&#039;importance dans le secteur de la construction en Suisse. 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