{"id":54290,"date":"2023-04-26T12:00:00","date_gmt":"2023-04-26T10:00:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=54290"},"modified":"2023-04-26T09:27:09","modified_gmt":"2023-04-26T07:27:09","slug":"materialforschende-arbeiten-an-klimafreundlichem-beton","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/materialforschende-arbeiten-an-klimafreundlichem-beton\/","title":{"rendered":"Des chercheurs en mat\u00e9riaux travaillent sur un b\u00e9ton respectueux du climat"},"content":{"rendered":"<p class=\"bodytext\">Un groupe de chercheurs en mat\u00e9riaux dirig\u00e9 par Franco Zunino, de l&rsquo;<a href=\"https:\/\/ifb.ethz.ch\/\" target=\"_blank\" rel=\"noopener\">Institut des mat\u00e9riaux de construction<\/a> de l&rsquo;<a href=\"https:\/\/ethz.ch\/de.html\" target=\"_blank\" rel=\"noopener\">Ecole polytechnique f\u00e9d\u00e9rale de Zurich<\/a>, travaille sur des compositions pour le b\u00e9ton qui permettraient de r\u00e9duire consid\u00e9rablement ses \u00e9missions de CO2. Le principal mat\u00e9riau de construction au monde est responsable de jusqu&rsquo;\u00e0 9% des \u00e9missions de CO2 caus\u00e9es par l&rsquo;homme, informe le Fonds national suisse<a href=\"https:\/\/snf.ch\/de\" target=\"_blank\" rel=\"noopener\">(FNS<\/a>) dans un <a href=\"https:\/\/www.snf.ch\/de\/uA2VhmaqIxuavniZ\/news\/er-traeumt-von-einem-paradies-aus-beton\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9<\/a>. Il soutient les recherches avec une bourse Ambizione pour Zunino.<\/p>\n<p class=\"bodytext\">Pour d\u00e9velopper un b\u00e9ton respectueux du climat, les chercheurs misent sur deux approches. Dans la premi\u00e8re, il s&rsquo;agit de r\u00e9duire de 60 \u00e0 70 pour cent la part de ciment du b\u00e9ton, qui est particuli\u00e8rement intensive en CO2. Pour ce faire, ils utilisent de nouveaux additifs chimiques, notamment des dispersants polym\u00e8res. La deuxi\u00e8me approche consiste \u00e0 r\u00e9duire l&rsquo;utilisation de liants.<\/p>\n<p class=\"bodytext\">Dans le cadre de ses recherches, le groupe \u00ab\u00a0travaille en \u00e9troite collaboration avec un grand fabricant de ciment\u00a0\u00bb, explique le FNS. Selon Zunino, une alternative au b\u00e9ton n&rsquo;est pas r\u00e9aliste. Il faudrait par exemple \u00ab\u00a0une for\u00eat de la taille de l&rsquo;Inde\u00a0\u00bb pour remplacer le b\u00e9ton par du bois. De m\u00eame, un mat\u00e9riau de construction enti\u00e8rement nouveau aura du mal \u00e0 s&rsquo;imposer \u00ab\u00a0dans les rues du Nigeria, o\u00f9 le b\u00e9ton est peut-\u00eatre parfois m\u00e9lang\u00e9 \u00e0 mains nues\u00a0\u00bb. Mais avec un b\u00e9ton respectueux du climat et adapt\u00e9 \u00e0 la vie quotidienne, \u00ab\u00a0l&rsquo;industrie aurait une solution en main pour r\u00e9aliser ses objectifs en mati\u00e8re de CO2 et \u00e9conomiser des taxes sur le CO2\u00a0\u00bb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un groupe de chercheurs en mat\u00e9riaux dirig\u00e9 par Franco Zunino veut r\u00e9duire les \u00e9missions de CO2 du b\u00e9ton. Pour ce faire, ils r\u00e9duisent drastiquement la part de ciment et \u00e9conomisent sur les liants. Pour ses recherches, Zunino a obtenu une bourse Ambizione du Fonds national suisse.<\/p>\n","protected":false},"author":2,"featured_media":13063,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_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":[743],"tags":[2209,2994,36658,1624,38189,38190,38191,7300],"class_list":["post-54290","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-immonews-fr","tag-bauwesen-fr","tag-beton-fr","tag-bindemittel-fr","tag-co2-fr","tag-franco-zunino-fr","tag-materialforschung-fr","tag-schweizerischen-nationalfond-fr","tag-zement-fr"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"Un groupe de chercheurs en mat\u00e9riaux dirig\u00e9 par Franco Zunino veut r\u00e9duire les \u00e9missions de CO2 du b\u00e9ton. Pour ce faire, ils r\u00e9duisent drastiquement la part de ciment et \u00e9conomisent sur les liants. Pour ses recherches, Zunino a obtenu une bourse Ambizione du Fonds national suisse.","autor":"hs","ort":"Z\u00fcrich\/Bern","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Un groupe de chercheurs en mat\u00e9riaux dirig\u00e9 par Franco Zunino veut r\u00e9duire les \u00e9missions de CO2 du b\u00e9ton. Pour ce faire, ils r\u00e9duisent drastiquement la part de ciment et \u00e9conomisent sur les liants. 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