{"id":92863,"date":"2016-05-26T08:53:03","date_gmt":"2016-05-26T06:53:03","guid":{"rendered":"http:\/\/batijournal.com\/?p=92863"},"modified":"2019-07-15T11:21:45","modified_gmt":"2019-07-15T09:21:45","slug":"os-eponges-inspirent-beton-de-demain","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/","title":{"rendered":"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain"},"content":{"rendered":"<p><strong>Le b\u00e9ton d&rsquo;aujourd&rsquo;hui est un assemblage al\u00e9atoire de roches et de pierres concass\u00e9es, li\u00e9s entre eux par une p\u00e2te de ciment. La force et la durabilit\u00e9 du mat\u00e9riau d\u00e9pend en partie de sa structure interne et de la configuration des pores. Un b\u00e9ton plus poreux est plus vuln\u00e9rable \u00e0 la fissuration. Il n&rsquo;existe pas de techniques pour contr\u00f4ler pr\u00e9cis\u00e9ment sa structure interne\u00a0pour am\u00e9liorer sa dur\u00e9e de vie et sa r\u00e9sistance.<\/strong><\/p>\n<p>Une \u00e9quipe de chercheurs du MIT, dirig\u00e9e par Oral Buyukozturk, professeur au D\u00e9partement de g\u00e9nie civil et de l&rsquo;environnement (CEE), s&rsquo;est pench\u00e9e sur la micro-structure des mat\u00e9riaux \u00e9labor\u00e9e par les \u00eatres vivants. Les os, les \u00e9ponges de mer et la nacre ont \u00e9t\u00e9 \u00e9tudi\u00e9s au niveau de\u00a0leurs propri\u00e9t\u00e9s m\u00e9caniques et microscopiques. La structure et les comportement de ces biomat\u00e9riaux ont \u00e9t\u00e9 compar\u00e9s \u00e0 toutes les \u00e9chelles avec la p\u00e2te de ciment. Les scientifiques ont cherch\u00e9 des liens entre structure et propri\u00e9t\u00e9s m\u00e9caniques. Par exemple, ils ont constat\u00e9 que l&rsquo;agencement en peau d&rsquo;oignon des couches de silice de l&rsquo;\u00e9ponge de mer emp\u00eache la fissuration. La nacre, avec un arrangement min\u00e9ral de type \u00ab brique et mortier \u00bb, g\u00e9n\u00e8re une forte liaison la rendant extr\u00eamement dure.<\/p>\n<p>Gr\u00e2ce \u00e0 ces donn\u00e9es structurales et comparatives, les chercheurs ont d\u00e9velopp\u00e9 une m\u00e9thodologie bio-inspir\u00e9e. Le professeur Buyukozturk donne les pistes : <em>\u00ab Nous voulons changer la culture et commencer \u00e0 contr\u00f4ler le mat\u00e9riau \u00e0 l&rsquo;\u00e9chelle \u00ab\u00a0m\u00e9so\u00a0\u00bb \u00bb<\/em>. C&rsquo;est \u00e0 dire \u00e9tablir la connexion entre les structures microm\u00e9triques et les propri\u00e9t\u00e9s macroscopiques. Comment arrangement microscopique du ciment affecte la r\u00e9sistance globale et la durabilit\u00e9 d&rsquo;un b\u00e2timent ou d&rsquo;un pont ? La compr\u00e9hension de cette connexion permettra d&rsquo;aider les ing\u00e9nieurs \u00e0 identifier les caract\u00e9ristiques \u00e0 diff\u00e9rentes \u00e9chelles et \u00e0 am\u00e9liorer la performance globale du b\u00e9ton.<\/p>\n<p>L&rsquo;\u00e9quipe esp\u00e8re identifier les mat\u00e9riaux naturels qui pourraient \u00eatre utilis\u00e9s comme des alternatives viables et plus durables au ciment Portland, qui n\u00e9cessite une \u00e9norme quantit\u00e9 d&rsquo;\u00e9nergie dans sa fabrication. <em>\u00ab Si nous pouvons remplacer le ciment, partiellement ou totalement, avec d&rsquo;autres mat\u00e9riaux qui peuvent \u00eatre facilement et largement disponibles dans la nature, nous pouvons atteindre nos objectifs de durabilit\u00e9 \u00bb<\/em>, dit le professeur Buyukozturk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le b\u00e9ton d&rsquo;aujourd&rsquo;hui est un assemblage al\u00e9atoire de roches et de pierres concass\u00e9es, li\u00e9s entre eux par une p\u00e2te de ciment. La force et la durabilit\u00e9 du mat\u00e9riau d\u00e9pend en partie de sa structure interne et de la configuration des pores. Un b\u00e9ton plus poreux est plus vuln\u00e9rable \u00e0 la fissuration. Il n&rsquo;existe pas de [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":92864,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10736,6340],"tags":[1128,2391,1462],"class_list":["post-92863","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-architecture-conception","tag-beton","tag-ciment","tag-recherche"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les os et les \u00e9ponges inspirent le b\u00e9ton de demain<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain\" \/>\n<meta property=\"og:description\" content=\"Le b\u00e9ton d&rsquo;aujourd&rsquo;hui est un assemblage al\u00e9atoire de roches et de pierres concass\u00e9es, li\u00e9s entre eux par une p\u00e2te de ciment. La force et la durabilit\u00e9 du mat\u00e9riau d\u00e9pend en partie de sa structure interne et de la configuration des pores. Un b\u00e9ton plus poreux est plus vuln\u00e9rable \u00e0 la fissuration. Il n&rsquo;existe pas de [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/\" \/>\n<meta property=\"og:site_name\" content=\"Batijournal\" \/>\n<meta property=\"article:published_time\" content=\"2016-05-26T06:53:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-07-15T09:21:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/batijournal.com\/wp-content\/uploads\/2016\/05\/mit-beton.png\" \/>\n\t<meta property=\"og:image:width\" content=\"839\" \/>\n\t<meta property=\"og:image:height\" content=\"559\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"St\u00e9phane Miget\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:site\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"St\u00e9phane Miget\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/\"},\"author\":{\"name\":\"St\u00e9phane Miget\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/#\\\/schema\\\/person\\\/1dc96ec6957aa1ccb25ebe78bb19f100\"},\"headline\":\"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain\",\"datePublished\":\"2016-05-26T06:53:03+00:00\",\"dateModified\":\"2019-07-15T09:21:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/\"},\"wordCount\":423,\"image\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/batijournal.com\\\/wp-content\\\/uploads\\\/2016\\\/05\\\/mit-beton.png\",\"keywords\":[\"b\u00e9ton\",\"ciment\",\"recherche\"],\"articleSection\":[\"A la Une\",\"Architecture &amp; Conception\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/\",\"url\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/\",\"name\":\"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/batijournal.com\\\/wp-content\\\/uploads\\\/2016\\\/05\\\/mit-beton.png\",\"datePublished\":\"2016-05-26T06:53:03+00:00\",\"dateModified\":\"2019-07-15T09:21:45+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/#\\\/schema\\\/person\\\/1dc96ec6957aa1ccb25ebe78bb19f100\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/#primaryimage\",\"url\":\"https:\\\/\\\/batijournal.com\\\/wp-content\\\/uploads\\\/2016\\\/05\\\/mit-beton.png\",\"contentUrl\":\"https:\\\/\\\/batijournal.com\\\/wp-content\\\/uploads\\\/2016\\\/05\\\/mit-beton.png\",\"width\":839,\"height\":559},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/os-eponges-inspirent-beton-de-demain\\\/92863\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/batijournal.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A la Une\",\"item\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/category\\\/a-la-une\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/#website\",\"url\":\"https:\\\/\\\/batijournal.com\\\/\",\"name\":\"Batijournal\",\"description\":\"L&#039;actualit\u00e9 du b\u00e2timent\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/batijournal.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/#\\\/schema\\\/person\\\/1dc96ec6957aa1ccb25ebe78bb19f100\",\"name\":\"St\u00e9phane Miget\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/89915563d925342126b8ef0281b93d9d7fc337043e8df017f780908eb9644451?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/89915563d925342126b8ef0281b93d9d7fc337043e8df017f780908eb9644451?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/89915563d925342126b8ef0281b93d9d7fc337043e8df017f780908eb9644451?s=96&d=mm&r=g\",\"caption\":\"St\u00e9phane Miget\"},\"url\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/author\\\/stephane\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/","og_locale":"fr_FR","og_type":"article","og_title":"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain","og_description":"Le b\u00e9ton d&rsquo;aujourd&rsquo;hui est un assemblage al\u00e9atoire de roches et de pierres concass\u00e9es, li\u00e9s entre eux par une p\u00e2te de ciment. La force et la durabilit\u00e9 du mat\u00e9riau d\u00e9pend en partie de sa structure interne et de la configuration des pores. Un b\u00e9ton plus poreux est plus vuln\u00e9rable \u00e0 la fissuration. Il n&rsquo;existe pas de [&hellip;]","og_url":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/","og_site_name":"Batijournal","article_published_time":"2016-05-26T06:53:03+00:00","article_modified_time":"2019-07-15T09:21:45+00:00","og_image":[{"width":839,"height":559,"url":"https:\/\/batijournal.com\/wp-content\/uploads\/2016\/05\/mit-beton.png","type":"image\/png"}],"author":"St\u00e9phane Miget","twitter_card":"summary_large_image","twitter_creator":"@bati_journal","twitter_site":"@bati_journal","twitter_misc":{"\u00c9crit par":"St\u00e9phane Miget","Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/#article","isPartOf":{"@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/"},"author":{"name":"St\u00e9phane Miget","@id":"https:\/\/batijournal.com\/#\/schema\/person\/1dc96ec6957aa1ccb25ebe78bb19f100"},"headline":"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain","datePublished":"2016-05-26T06:53:03+00:00","dateModified":"2019-07-15T09:21:45+00:00","mainEntityOfPage":{"@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/"},"wordCount":423,"image":{"@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/#primaryimage"},"thumbnailUrl":"https:\/\/batijournal.com\/wp-content\/uploads\/2016\/05\/mit-beton.png","keywords":["b\u00e9ton","ciment","recherche"],"articleSection":["A la Une","Architecture &amp; Conception"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/","url":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/","name":"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain","isPartOf":{"@id":"https:\/\/batijournal.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/#primaryimage"},"image":{"@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/#primaryimage"},"thumbnailUrl":"https:\/\/batijournal.com\/wp-content\/uploads\/2016\/05\/mit-beton.png","datePublished":"2016-05-26T06:53:03+00:00","dateModified":"2019-07-15T09:21:45+00:00","author":{"@id":"https:\/\/batijournal.com\/#\/schema\/person\/1dc96ec6957aa1ccb25ebe78bb19f100"},"breadcrumb":{"@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/#primaryimage","url":"https:\/\/batijournal.com\/wp-content\/uploads\/2016\/05\/mit-beton.png","contentUrl":"https:\/\/batijournal.com\/wp-content\/uploads\/2016\/05\/mit-beton.png","width":839,"height":559},{"@type":"BreadcrumbList","@id":"https:\/\/batijournal.com\/index.php\/os-eponges-inspirent-beton-de-demain\/92863\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/batijournal.com\/"},{"@type":"ListItem","position":2,"name":"A la Une","item":"https:\/\/batijournal.com\/index.php\/category\/a-la-une\/"},{"@type":"ListItem","position":3,"name":"Les os et les \u00e9ponges inspirent le b\u00e9ton de demain"}]},{"@type":"WebSite","@id":"https:\/\/batijournal.com\/#website","url":"https:\/\/batijournal.com\/","name":"Batijournal","description":"L&#039;actualit\u00e9 du b\u00e2timent","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/batijournal.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/batijournal.com\/#\/schema\/person\/1dc96ec6957aa1ccb25ebe78bb19f100","name":"St\u00e9phane Miget","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/89915563d925342126b8ef0281b93d9d7fc337043e8df017f780908eb9644451?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/89915563d925342126b8ef0281b93d9d7fc337043e8df017f780908eb9644451?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/89915563d925342126b8ef0281b93d9d7fc337043e8df017f780908eb9644451?s=96&d=mm&r=g","caption":"St\u00e9phane Miget"},"url":"https:\/\/batijournal.com\/index.php\/author\/stephane\/"}]}},"_links":{"self":[{"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/posts\/92863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/comments?post=92863"}],"version-history":[{"count":0,"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/posts\/92863\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/media\/92864"}],"wp:attachment":[{"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/media?parent=92863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/categories?post=92863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/batijournal.com\/index.php\/wp-json\/wp\/v2\/tags?post=92863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}