{"id":72402,"date":"2024-01-17T12:00:00","date_gmt":"2024-01-17T11:00:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=72402"},"modified":"2024-01-12T14:51:05","modified_gmt":"2024-01-12T13:51:05","slug":"epfl-erforscht-neue-risserkennung-bei-beton","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/epfl-erforscht-neue-risserkennung-bei-beton\/","title":{"rendered":"L&rsquo;EPFL explore une nouvelle m\u00e9thode de d\u00e9tection des fissures dans le b\u00e9ton"},"content":{"rendered":"<p class=\"bodytext\">Les fissures dans les structures en b\u00e9ton arm\u00e9 sont normales et sont r\u00e9guli\u00e8rement contr\u00f4l\u00e9es par des m\u00e9thodes traditionnelles. Cependant, selon un <a href=\"https:\/\/actu.epfl.ch\/news\/testing-automated-crack-detection-methods-for-conc\/\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9 de presse<\/a>, des chercheurs de l&rsquo;Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne<a href=\"https:\/\/www.epfl.ch\/de\/\" target=\"_blank\" rel=\"noopener\">(EPFL<\/a>) travaillent actuellement sur des m\u00e9thodes permettant de num\u00e9riser ces v\u00e9rifications et de les v\u00e9rifier \u00e0 l&rsquo;aide d&rsquo;un algorithme. Hugo Nick, \u00e9tudiant en master au Laboratoire de b\u00e9ton de construction (IBETON), a d\u00e9velopp\u00e9 deux m\u00e9thodes \u00e0 cet effet. Dans un premier temps, des structures en b\u00e9ton sont reproduites dans un laboratoire et photographi\u00e9es num\u00e9riquement sous charge jusqu&rsquo;\u00e0 ce qu&rsquo;une fissure apparue entra\u00eene la rupture de la structure. L&rsquo;ensemble des donn\u00e9es est enregistr\u00e9 et trait\u00e9 par intelligence artificielle pour former un algorithme.<\/p>\n<p class=\"bodytext\">La deuxi\u00e8me \u00e9tape consiste \u00e0 prendre des photos num\u00e9riques de b\u00e2timents r\u00e9els. Ces images de fissures apparues dans la nature et sous contrainte seront compar\u00e9es \u00e0 l&rsquo;algorithme. Les chercheurs esp\u00e8rent ainsi pouvoir tirer des conclusions sur le comportement des fissures et pr\u00e9voir d&rsquo;\u00e9ventuelles situations dangereuses.<\/p>\n<p class=\"bodytext\">\u00ab\u00a0Un algorithme de d\u00e9tection analyse ensuite l&rsquo;image \u00e0 l&rsquo;aide de l&rsquo;intelligence artificielle\u00a0\u00bb, explique Hugo Nick, cit\u00e9 dans le communiqu\u00e9. \u00ab\u00a0L&rsquo;algorithme est en fait un r\u00e9seau neuronal qui a \u00e9t\u00e9 entra\u00een\u00e9 sur des milliers d&rsquo;images et qui peut pr\u00e9dire la d\u00e9tection des fissures. Les inspecteurs commencent \u00e0 tester cette m\u00e9thode dans la pratique, et elle pr\u00e9sente plusieurs avantages. En utilisant des syst\u00e8mes de d\u00e9tection automatique des fissures, nous pouvons r\u00e9duire le nombre d&rsquo;erreurs et d&rsquo;impr\u00e9cisions et rendre les inspections plus rapides et plus pr\u00e9cises\u00a0\u00bb<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l&rsquo;\u00c9cole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) d\u00e9veloppent de nouvelles m\u00e9thodes de d\u00e9tection des fissures dans les ouvrages en b\u00e9ton. Il s&rsquo;agit de cr\u00e9er, \u00e0 l&rsquo;aide de l&rsquo;intelligence artificielle, un algorithme de comparaison permettant d&rsquo;identifier les fissures dangereuses.<\/p>\n","protected":false},"author":2,"featured_media":72394,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"0","_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":[743,22357],"tags":[43980,2209,43981,848,43982,7215,43983],"class_list":["post-72402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-immonews-fr","category-industrie-du-batiment","tag-algorythmus-fr","tag-bauwesen-fr","tag-betonbauten-fr","tag-immobilien-fr","tag-konstruktionsbeton-fr","tag-kuenstliche-intelligenz-fr","tag-risse-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"Des chercheurs de l'\u00c9cole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) d\u00e9veloppent de nouvelles m\u00e9thodes de d\u00e9tection des fissures dans les ouvrages en b\u00e9ton. Il s'agit de cr\u00e9er, \u00e0 l'aide de l'intelligence artificielle, un algorithme de comparaison permettant d'identifier les fissures dangereuses.","autor":"ce\/ww","ort":"Lausanne ","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=\"Des chercheurs de l&#039;\u00c9cole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) d\u00e9veloppent de nouvelles m\u00e9thodes de d\u00e9tection des fissures dans les ouvrages en b\u00e9ton. Il s&#039;agit de cr\u00e9er, \u00e0 l&#039;aide de l&#039;intelligence artificielle, un algorithme de comparaison permettant d&#039;identifier les fissures dangereuses.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immovestuser\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/epfl-erforscht-neue-risserkennung-bei-beton\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"L\u2019EPFL explore une nouvelle m\u00e9thode de d\u00e9tection des fissures dans le b\u00e9ton - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"Des chercheurs de l&#039;\u00c9cole polytechnique f\u00e9d\u00e9rale de Lausanne (EPFL) d\u00e9veloppent de nouvelles m\u00e9thodes de d\u00e9tection des fissures dans les ouvrages en b\u00e9ton. 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