{"id":142066,"date":"2025-10-21T14:50:07","date_gmt":"2025-10-21T12:50:07","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=142066"},"modified":"2025-10-21T14:38:41","modified_gmt":"2025-10-21T12:38:41","slug":"staerker-als-stahl-leichter-als-holz","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/staerker-als-stahl-leichter-als-holz\/","title":{"rendered":"Plus solide que l&rsquo;acier, plus l\u00e9ger que le bois"},"content":{"rendered":"<p class=\"wp-block-paragraph\">L&rsquo;id&eacute;e repose sur une transformation cibl&eacute;e de la microstructure du bois. Le point de d&eacute;part reste les principaux composants naturels. La cellulose, qui assure la r&eacute;sistance &agrave; la traction en tant que structure de support fibreuse, et la lignine, qui maintient les fibres ensemble en tant qu&rsquo;adh&eacute;sif naturel. Au cours du processus de fabrication, une partie de la lignine est &eacute;limin&eacute;e chimiquement, ce qui permet de comprimer la cellulose de mani&egrave;re dense. Il en r&eacute;sulte un mat&eacute;riau extr&ecirc;mement compact, &agrave; fibres orient&eacute;es, d&rsquo;une densit&eacute; &eacute;lev&eacute;e et d&rsquo;un poids relativement faible.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Les tests montrent que Superwood est environ douze fois plus solide que le bois non trait&eacute; et peut m&ecirc;me atteindre une r&eacute;sistance &agrave; la traction sup&eacute;rieure &agrave; celle de l&rsquo;acier dans certaines combinaisons. Dans le m&ecirc;me temps, le mat&eacute;riau reste biod&eacute;gradable et est bas&eacute; sur une ressource renouvelable. Un &eacute;quilibre rare entre <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Performance&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Wertentwicklung eines Portfolios&lt;\/div&gt;\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">performance<\/span> et durabilit&eacute;.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applications dans la construction<br><\/strong>Pour le secteur de la construction, Superwood pourrait devenir un gamechanger. Sa combinaison de l&eacute;g&egrave;ret&eacute;, de capacit&eacute; de charge et d&rsquo;origine &eacute;cologique le rend int&eacute;ressant pour les structures porteuses, les syst&egrave;mes de fa&ccedil;ade ou les &eacute;l&eacute;ments modulaires l&eacute;gers. Le mat&eacute;riau se travaille comme le bois, mais il pr&eacute;sente une meilleure r&eacute;sistance &agrave; l&rsquo;humidit&eacute; et &agrave; la d&eacute;formation.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Inventwood travaille sur des projets pilotes avec des partenaires constructeurs et architectes, par exemple pour des syst&egrave;mes de murs pr&eacute;fabriqu&eacute;s ou des constructions hybrides bois-b&eacute;ton. Les chercheurs voient &eacute;galement un grand potentiel dans le domaine des infrastructures, par exemple pour les ponts, les toits ou les constructions transportables.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sur la voie de l&rsquo;exploitation industrielle<br><\/strong>Le chemin entre le laboratoire et la production de masse a &eacute;t&eacute; long. L&rsquo;entreprise Inventwood qui s&rsquo;en est suivie en a fait un produit commercialisable. L&rsquo;&eacute;volutivit&eacute; du proc&eacute;d&eacute;, qui peut d&eacute;sormais &ecirc;tre appliqu&eacute; &agrave; de grands &eacute;l&eacute;ments en bois, a &eacute;t&eacute; d&eacute;terminante.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;entreprise voit dans Superwood une alternative durable aux mat&eacute;riaux &agrave; fortes &eacute;missions tels que l&rsquo;acier, l&rsquo;aluminium ou le b&eacute;ton. Sa fabrication n&eacute;cessite moins d&rsquo;&eacute;nergie et le CO&#8322; captur&eacute; reste stock&eacute; dans le mat&eacute;riau. Superwood pourrait ainsi contribuer &agrave; la d&eacute;carbonisation du secteur de la construction.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le bois, un mat&eacute;riau de haute technologie<br><\/strong>L&rsquo;industrialisation de Superwood permet de boucler la boucle entre le mat&eacute;riau de construction traditionnel et la science moderne des mat&eacute;riaux. Le bois ordinaire devient un mat&eacute;riau haute <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Performance&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Wertentwicklung eines Portfolios&lt;\/div&gt;\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">performance<\/span> qui se red&eacute;finit en termes de stabilit&eacute; et de durabilit&eacute;.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">S&rsquo;il devient disponible &agrave; plus grande &eacute;chelle, ce mat&eacute;riau pourrait transformer radicalement la construction en bois internationale, des gratte-ciel urbains aux infrastructures modulaires. L&rsquo;avenir de la construction, semble-t-il, reste le bois &ndash; mais en plus intelligent.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Un mat\u00e9riau de construction qui d\u00e9passe la r\u00e9sistance de l&rsquo;acier tout en \u00e9tant renouvelable. La vision semble futuriste, mais elle prend forme. Apr\u00e8s des ann\u00e9es de recherche, la start-up am\u00e9ricaine Inventwood a lanc\u00e9 la production de masse de ce qu&rsquo;elle appelle le Superwood. Le mat\u00e9riau a \u00e9t\u00e9 d\u00e9velopp\u00e9 au d\u00e9partement des sciences des mat\u00e9riaux de l&rsquo;universit\u00e9 du Maryland, sous la direction du professeur Liangbing Hu. Les premiers lots industriels sont livr\u00e9s depuis l&rsquo;\u00e9t\u00e9 2025, une \u00e9tape importante pour les mat\u00e9riaux durables de haute performance.<\/p>\n","protected":false},"author":2,"featured_media":142061,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22699,22353,743,22357,22438],"tags":[45942,914,872,3931,2002,55017],"class_list":["post-142066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-international-fr","category-immonews-fr","category-industrie-du-batiment","category-trends-fr","tag-baustoffinnovation-fr","tag-holzbau-fr","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr","tag-superwood","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"Un mat\u00e9riau de construction qui d\u00e9passe la r\u00e9sistance de l'acier tout en \u00e9tant renouvelable. La vision semble futuriste, mais elle prend forme. Apr\u00e8s des ann\u00e9es de recherche, la start-up am\u00e9ricaine Inventwood a lanc\u00e9 la production de masse de ce qu'elle appelle le Superwood. Le mat\u00e9riau a \u00e9t\u00e9 d\u00e9velopp\u00e9 au d\u00e9partement des sciences des mat\u00e9riaux de l'universit\u00e9 du Maryland, sous la direction du professeur Liangbing Hu. Les premiers lots industriels sont livr\u00e9s depuis l'\u00e9t\u00e9 2025, une \u00e9tape importante pour les mat\u00e9riaux durables de haute performance.","autor":"Quelle digital pioneers","ort":"","bildunterschrift":"Foto: Inventwood","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Un mat\u00e9riau de construction qui d\u00e9passe la r\u00e9sistance de l&#039;acier tout en \u00e9tant renouvelable. La vision semble futuriste, mais elle prend forme. 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