{"id":150540,"date":"2026-03-05T16:20:00","date_gmt":"2026-03-05T15:20:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=150540"},"modified":"2026-03-04T09:28:55","modified_gmt":"2026-03-04T08:28:55","slug":"forschung-entwickelt-klimafreundliche-alternative-zu-zement","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/forschung-entwickelt-klimafreundliche-alternative-zu-zement\/","title":{"rendered":"La recherche d\u00e9veloppe une alternative au ciment respectueuse du climat"},"content":{"rendered":"<p class=\"bodytext\">La production de ciment, liant utilis\u00e9 dans le b\u00e9ton, repr\u00e9sente 8 % des \u00e9missions mondiales de dioxyde de carbone. Sous la direction de l&rsquo;Institut de technologie de Karlsruhe (<a href=\"https:\/\/www.kit.edu\/\" target=\"_blank\" rel=\"noopener\">KIT<\/a>) en Allemagne, des chercheurs de diff\u00e9rentes universit\u00e9s et instituts europ\u00e9ens travaillent au d\u00e9veloppement d&rsquo;alternatives au ciment. Selon un <a href=\"https:\/\/www.kit.edu\/kit\/pi_2026_011_beton-als-co2-senke.php\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9<\/a>, le producteur de mat\u00e9riaux de construction <a href=\"https:\/\/www.holcim.com\/\" target=\"_blank\" rel=\"noopener\">Holcim<\/a>, bas\u00e9 \u00e0 Zoug, participe \u00e0 ces travaux de recherche dans le cadre du projet europ\u00e9en <a href=\"https:\/\/c-sinkproject.eu\/\" target=\"_blank\" rel=\"noopener\">C-SINK<\/a>.<\/p>\n<p class=\"bodytext\">Les recherches se concentrent sur les silicates contenant du magn\u00e9sium, qui r\u00e9agissent avec le CO\u2082 pour former du carbonate de magn\u00e9sium dans un processus de min\u00e9ralisation cibl\u00e9 et acc\u00e9l\u00e9r\u00e9. Cet additif pourrait remplacer le clinker de ciment Portland et devenir le nouveau liant pour le b\u00e9ton. Actuellement, le mat\u00e9riau est test\u00e9 dans les laboratoires du KIT avec la participation de toutes les parties prenantes. Ce projet repose sur une \u00e9troite collaboration entre la simulation, la recherche exp\u00e9rimentale et des essais \u00e0 grande \u00e9chelle proches de la r\u00e9alit\u00e9 r\u00e9alis\u00e9s \u00e0 l&rsquo;institut d&rsquo;essai des mat\u00e9riaux de Karlsruhe. \u00ab Gr\u00e2ce \u00e0 des simulations et \u00e0 l&rsquo;apprentissage automatique, nous pouvons pr\u00e9dire quelles formulations de b\u00e9ton fonctionnent \u00bb, explique Frank Dehn, directeur de l&rsquo;Institut pour la construction massive et la technologie des mat\u00e9riaux ainsi que de l&rsquo;Institut d&rsquo;essai et de recherche des mat\u00e9riaux de Karlsruhe au KIT, dans le communiqu\u00e9. \u00ab Nous utilisons ensuite des exp\u00e9riences cibl\u00e9es pour v\u00e9rifier ces pr\u00e9visions. Nous voulons ainsi \u00e9laborer des valeurs caract\u00e9ristiques fiables qui montrent que le b\u00e9ton avec le nouveau liant est respectueux du climat et r\u00e9pond aux exigences en mati\u00e8re de capacit\u00e9 de charge, de durabilit\u00e9 et de s\u00e9curit\u00e9. \u00bb<\/p>\n<p class=\"bodytext\">Le projet est financ\u00e9 par le Conseil europ\u00e9en de l&rsquo;innovation (<a href=\"https:\/\/eic.ec.europa.eu\/index_en\" target=\"_blank\" rel=\"noopener\">EIC<\/a>) dans le cadre du programme Pathfinder \u00ab Towards cement and concrete as a carbon sink \u00bb (Vers le ciment et le b\u00e9ton comme puits de carbone). Outre le KIT et le coordinateur <a href=\"https:\/\/paebbl.com\/\" target=\"_blank\" rel=\"noopener\">PAEBBL AB<\/a> (Su\u00e8de), participent \u00e9galement \u00e0 ce projet <a href=\"https:\/\/www.tudelft.nl\/en\/education?gad_source=1&amp;gad_campaignid=23277747304&amp;gbraid=0AAAAAqBT7fhHaU3GTflVVrx93P4uImuZw&amp;gclid=Cj0KCQiAhtvMBhDBARIsAL26pjGqf3Q6zHS1CGCbfB5XqSOgmToXrg6O7wBuK1uKW-jJRUoilSMc7yAaAuezEALw_wcB\" target=\"_blank\" rel=\"noopener\">l&rsquo;universit\u00e9 technique de Delft<\/a> (Pays-Bas), <a href=\"https:\/\/www.kuleuven.be\/kuleuven\/\" target=\"_blank\" rel=\"noopener\">l&rsquo;universit\u00e9 catholique de Louvain<\/a> (Belgique), <a href=\"https:\/\/www.csic.es\/es\" target=\"_blank\" rel=\"noopener\">l&rsquo;Agencia Estatal Consejo Superior de Investigaciones Cient\u00edficas<\/a> et <a href=\"https:\/\/www.tecnyconta.es\/\" target=\"_blank\" rel=\"noopener\">PREFABRICADOS TECNYCONTA S.L.<\/a> (toutes deux espagnoles), ainsi que Holcim Technology en tant que soutien. Le projet est financ\u00e9 \u00e0 hauteur de 4 millions d&rsquo;euros sur une p\u00e9riode de quatre ans.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Holcim participe, aux c\u00f4t\u00e9s d&rsquo;universit\u00e9s et d&rsquo;instituts de recherche europ\u00e9ens, au d\u00e9veloppement de b\u00e9tons sans ciment. L&rsquo;objectif du projet europ\u00e9en C-SINK est de r\u00e9duire consid\u00e9rablement les \u00e9missions de dioxyde de carbone lors de la production de mat\u00e9riaux de construction.<\/p>\n","protected":false},"author":2,"featured_media":150541,"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":[22699,22696,743,22357],"tags":[57576,57204,872,3931,2002,57577],"class_list":["post-150540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-entreprise","category-immonews-fr","category-industrie-du-batiment","tag-betonforschung","tag-co2-speicherung-2","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr","tag-zementalternative","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"Holcim participe, aux c\u00f4t\u00e9s d'universit\u00e9s et d'instituts de recherche europ\u00e9ens, au d\u00e9veloppement de b\u00e9tons sans ciment. L'objectif du projet europ\u00e9en C-SINK est de r\u00e9duire consid\u00e9rablement les \u00e9missions de dioxyde de carbone lors de la production de mat\u00e9riaux de construction.","autor":"ce\/ww","ort":"Zug","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=\"Holcim participe, aux c\u00f4t\u00e9s d&#039;universit\u00e9s et d&#039;instituts de recherche europ\u00e9ens, au d\u00e9veloppement de b\u00e9tons sans ciment. 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